人教版(2019) 选择性必修 第四册 Unit 1 Science Fiction课件(5份打包)

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名称 人教版(2019) 选择性必修 第四册 Unit 1 Science Fiction课件(5份打包)
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版本资源 人教版(2019)
科目 英语
更新时间 2022-05-19 15:42:42

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(共71张PPT)
内容索引
晨读晚诵
走进新课 一起读文
阅读鉴赏 一起思考
随堂练习
晨读晚诵
导语:我们一起来看看科幻作家艾萨克·阿西莫夫提出的“机器人三定律”吧。
Isaac Asimov was one of the most famous science fiction writers.He began teaching at Boston University School of Medicine in 1949.He began to write short stories in 1939 and novels in 1950.He died in 1992.
He wrote numerous science fiction short stories and novels,and over one hundred non-fiction books.He is probably famous for his series stories.Many of his stories involved robots,and he was in fact the inventor of the term “robotics”.During his lifetime he was also enormously1 influential2 in the world of science.
Do you know anything about his famous Three Laws of Robotics
Law 1:A robot may not injure a human being,or,through inaction,allow a human being to come to harm.
Law 2:A robot must obey the orders given by human beings except where such orders would conflict with the first law.
Law 3:A robot must protect its own existence as long as such protection does not conflict with the first or second law.
In Asimov’s stories,the robots must follow these laws so that they do not attack the humans that created them.
译文:
艾萨克·阿西莫夫是最有名的科幻小说家之一。1949年,他开始在波士顿大学医学院执教。1939年,他开始写短篇小说,1950年开始写长篇小说。他于1992年逝世。
他写了许多短篇、长篇科幻小说以及一百多本纪实书。或许他更以故事集著称。他写过的很多故事里都有机器人的身影,事实上,他就是“机器人科学”这一术语的发明者。他的一生在科学领域也有极其大的影响。
你知道他提出的“机器人三定律”吗
第一定律:机器人不得伤害人类,或因不作为使人类受到伤害。
第二定律:机器人必须服从人类的命令,除非这些命令与第一定律相抵触。
第三定律:在不违背第一、第二定律的前提下,机器人必须保护自己不受伤害。
在阿西莫夫的故事中,机器人必须遵从这些定律,不去伤害创造它们的人类。
【词海拾贝】
1.enormously /I n m sli/ adv.非常;极其
2.influential / Influ en l/ adj.有很大影响的;有支配力的
【理解诱思】
In 1939,Asimov    .
A.learned to write novels
B.started to write short stories
C.began teaching
D.invented a robot
答案:B
走进新课 一起读文
[词汇新知]
一、单词英汉互译
1.       / fIk n/ n.小说;虚构的事
2.      / b n s/ n.意外收获;奖金;红利
3.         /rI dIkj l s/ adj.愚蠢的;荒谬的;荒唐的
4.        /In teɡr ti/ n.诚实正直;完整;完好
5.       / dIɡn ti/ n.庄重;庄严;尊严
6.       / s l ri/ n.薪水;薪金
7.      / b s d/ adj.荒谬的;荒唐的
8.      /neIl/ n.指甲;趾甲;钉子 vt.(用钉子)钉牢;固定
fiction 
bonus 
ridiculous 
integrity
dignity 
salary 
absurd 
nail 
9.appointment / p Intm nt/ n.          
10.saleswoman / seIlzw m n/ n.        
11.guilty / ɡIlti/ adj.               
12.suspend /s spend/ vt.          
13.dismiss /dIs mIs/ vt.                    
14.declare /dI kle (r)/ vt.          
15.whereas / we r z/ conj.         
预约;约会;委任 
女售货员;女推销员 
内疚的;有罪的;有过失的
悬;挂;暂停;暂缓 
让(某人)离开;解散;解雇;消除
表明;宣称;公布 
然而;但是;尽管
二、短语英汉互译
1.       检验;测试
2.        更像是;更接近
3.          有尊严地
4.        更确切地说
5.        写出
6.turn around     
7.after all        
8.fall off        
9.more than        
e up with     
test out 
more like 
with dignity 
or rather 
write out 
转身 
毕竟;终究 
从……掉下来 
不仅仅是 
想出
[阅读理解]
一、阅读课文“SATISFACTION GUARANTEED”,判断正(T)误(F)
1.Claire asked her husband to buy her the robot named Tony.(  )
2.The robot named Tony was very rude to Claire at first.(  )
3.Claire thought that she was as clever as Claffern.(  )
4.Tony was more than happy to leave Claire’s house.(  )
F
F
F
F
二、阅读课文“SATISFACTION GUARANTEED”,选择正确答案
1.Why did Claire feel alarmed at the first sight of Tony
A.Because he was a robot.
B.Because she didn’t like him.
C.Because he was more like a human being than a machine.
D.Because he never changed his facial expression.
答案:C 
2.Why did Claire buy the items from the shop
A.Because her husband was to return.
B.Because Tony was to leave.
C.Because Tony wanted the house transformed.
D.Because she thought she needed them.
答案:C 
三、仔细阅读课文“SATISFACTION GUARANTEED”,并根据课文内容将短文补充完整
A robot used for housework 1.       (test) out in a family.Claire didn’t want the robot in her house,especially as her husband would be absent for three weeks,2.      she agreed to it at last.
was tested 
but 
At her first sight of Tony,Claire was 3.      (alarm),for the robot named Tony was more like a human than a machine.He looked like a tall and handsome man 4.     smooth hair and a deep voice.When Tony offered to help her dressing,Claire felt 5.        (embarrass).Now she
6.          (look) after by a robot that looked so human,and it was disturbing.Gradually,Tony began to win Claire’s trust.He helped Claire realise her dreams by 7.     (make) her home elegant,giving her a new haircut,and improving her makeup.Tony suggested that Claire 8.       (invite) Gladys and her friends to the house the night before he was to leave and Larry was to return.To transform Claire’s house completely,Tony
alarmed 
with
embarrassed 
was being looked 
making
(should) invite 
worked 9.       (steady) on the improvements.Claire tried to help,but she fell off the ladder.It was Tony 10.      managed to catch her in time.
steadily 
that/who
阅读鉴赏 一起思考
1.He seemed more like a human than a machine.(Page 2)
他看着不太像机器,而更像一个真人。
★more...than...与其说……不如说……
The book seems to be more a dictionary than a grammar book.
与其说这是一本语法书不如说是一本字典。
Hearing the loud noise,the boy was more surprised than frightened.
听到这么大的噪声,这个男孩与其说害怕不如说惊讶。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①The woman looks very young.As a matter of fact,she is more than fifty.
词组 more than 含义 超过,多于
②【高考典句】(2019·全国Ⅰ高考)Whaley says the project is about more than just learning to read and speak in public.
词组 more than 含义 不仅仅是
③I am more than glad to help you with your English.
词组 more than 含义 非常
④The boy worked very hard and finished all the work in less than five days.
词组 less than 含义 少于
⑤I don’t know any French people other than you.
词组 other than 含义 除了
说一说·勤归纳 
【即学即用】
完成句子
①工作太多了,我无法在不到三天的时间内完成。
There is so much work that I can’t finish it            .
②他非常乐意明天去车站接你。
He is          to pick you up at the station tomorrow.
③他不仅仅是我们的老师,还是我们的朋友。
He is              ;he is also our friend.
in less than three days
more than happy
more than our teacher
④除了这个大公司,他还有三家农场。
He has three farms              .
other than this large company
2.She had an appointment to paint her nails,then she went into an expensive clothes shop.(Page 2)
她按预约去美甲后,走进了一家高档时装店。
★appointment n.预约;约会
I have an appointment with my dentist at 11:30.
我约好11点半去看牙医。
There’s little time left.I have to run in order to keep that appointment.
快到点了。我必须跑着去才能守约。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性、词组和含义
①His promotion to manager was a popular appointment.
词性 名词 含义 任命;任用;委派
②He has been appointed to the committee.
词性 动词 含义 任命;委任
③A date for the meeting is still to be appointed.
词性 动词 含义 安排;确定
④The doctor appointed a young nurse to guard her.
词组 appoint sb to do sth 含义 委派某人做某事
记一记·长知识 
appointment n.预约;约会;任命
make/keep an appointment 预约/守约
have an appointment 有约会
appoint vt.任命;任用;委派;安排;确定
appoint sb to do sth委派某人做某事
【即学即用】
单句语法填空
①I’d like to go with you,but I have an important       (appoint) tonight.
②He is so excellent that he          (appoint) manager soon.
完成句子
③他是个可信赖的人,因此他会守约的。
He is a reliable person,so he will             .
④公司委派那个年轻人去出席典礼。
The company                         .
appointment 
will be appointed
keep his appointment 
appointed the young man to attend the ceremony
句型转换
⑤As he was appointed leader of the team,he was a little excited.
→               ,he was a little excited.
Appointed leader of the team
3.After all,she knew Claire’s husband’s name was Larry,not Tony.(Page 2)
毕竟她知道克莱尔丈夫的名字是拉里,而不是托尼。
★after all 毕竟,终究
【高考典句】(2019·浙江高考)“After all,everyone has bad days and good days,”he said.
他说:“毕竟,每个人都有坏日子和好日子。”
Of course I admire him——after all,he is a great writer.
我当然钦佩他,毕竟,他是一位伟大的作家。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①All in all her mother and I are very happy with her progress.
词组 all in all 含义 总而言之
②How many people were there in all at the party last night
词组 in all 含义 总共
③Above all,you should form a good habit.
词组 above all 含义 最重要的是
④First of all,you’d better have a discussion and make a plan.
词组 first of all 含义 首先
说一说·勤归纳 
【即学即用】
单句语法填空
①You’d better be patient with this child.      all,she is only four.
②First      all,you have a face-to-face talk with your son.
After 
of 
翻译句子
③总而言之,他受到很多人的尊敬。
④最重要的是,你应该有一个健康的身体。
⑤这个大厅里现在总共有200人。
答案:All in all,he is respected by a lot of people.
答案:Above all,you should have a healthy body. 
答案:There are 200 people in all in this hall.
4.He suggested that she invite Gladys and her friends to the house the night before he was to leave and Larry was to return.(Page 3)
他建议在他离开,也就是拉里回家的前一天晚上,克莱尔邀请格拉迪丝和她的朋友们到家里来。
剖析suggest做“建议”讲时,其后的宾语从句的谓语要用虚拟语气,即“should +动词原形”,should可省略。
The doctor suggested that he (should) go for a holiday.
医生建议他去度假。
We all suggested that a new school (should) be built near the village.
我们都建议在村子附近建立一个新学校。
本句中的was to leave是be to do结构,表示“将要做某事”。
The experience is to change his whole life.
这次经历将会改变他的一生。
The students are to meet at the school gate tomorrow.
明天学生们将在学校大门口见面。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体部分的句型和含义
①He suggested us playing football after school.
句型 suggest sb doing sth 含义 建议某人做某事
②It is suggested that we smile as much as possible.
句型 It is suggested that... 含义 有人建议……
记一记·长知识 
suggest做“建议”讲时,其后的宾语从句的谓语要用虚拟语气,即“should +动词原形”,should可以省略。suggest做“说明,暗示”讲时,其后的宾语从句的谓语用陈述语气。
Her pale face suggested that she was badly ill.
她苍白的脸说明她病得很重。
【即学即用】
单句语法填空
①The teacher suggested that we        (go) home for our parents’ advice.
②The research suggested that the water there        (pollute) badly.
③The bridge is         (build) next year.
(should) go
was polluted
to be built
完成句子
④有人建议我们去学法语。
           we (should) study French.
⑤今天下午会有一个保险代理人来跟我们见面。
An insurance agent is                .
句型转换
⑥My mother suggested that I (should) make a practical plan first.
→My mother suggested                     .
It is suggested that
to meet us this afternoon
me making a practical plan first
5.Claire tried to help by working on a light suspended from the ceiling,but she fell off the ladder.(Page 3)
克莱尔试图帮忙安装天花板上的吊灯,但从梯子上摔了下来。
★(1)suspend vt.悬;挂
A lamp was suspended from the ceiling.
一盏灯悬挂在天花板上。
看一看·助记忆 
a light suspended there
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性和含义
①Production has been suspended while safety checks are carried out.
词性 动词 含义 暂停
②The introduction of the new system has been suspended until next year.
词性 动词 含义 推迟
③These events have led to the suspension of talks.
词性 名词 含义 推迟;延期
★(2)fall off 从……掉下来
Suddenly she lost her balance and fell off the bike.
突然她失去平衡,从自行车上掉了下来。
The old cup fell off the table,breaking into pieces.
那个旧杯子从桌子上掉下来,摔成了碎片。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①When some students fell behind,others would come and offer help.
词组 fall behind
含义 跟不上
②You must watch your step so as not to fall down.
词组 fall down 含义 摔倒
③My grandma’s hair was falling out.
词组 fall out 含义 脱落
④I fell over and broke my leg.
词组 fall over 含义 倒下;跌倒
说一说·勤归纳 
【即学即用】
单句语法填空
①The boy tried to touch the ball         (suspend) by a rope from a branch.
②Sales of the drug          (suspend) until more tests are completed.
suspended 
will be suspended
完成句子
③老人摔倒了,伤得很重。
           and was badly injured.
④他变得更老了,牙齿也在脱落。
He is getting older and                  .
The old man fell down
his teeth are falling out
6.The guests would be arriving soon,so Claire dismissed Tony for the rest of the night.(Page 3)
客人们很快就要到了,于是克莱尔让托尼结束了当晚的工作。
★dismiss vt.让(某人)离开;解散
What do you do when you want to dismiss workers in America
在美国,当你们要解雇工人时,你们怎么做
He was so angry that he dismissed her with a wave of the hand.
他很生气,于是摆手把她打发走了。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性、词组和含义
①He was dismissed from his job for carelessness.
词组 be dismissed from...
含义 从……被开除
②What should I do to dismiss fears from his mind
词性 动词 含义 消除
③He just laughed and dismissed my proposal as unrealistic.
词性 动词
含义 不予考虑
【即学即用】
单句语法填空
①He was so lazy that he was dismissed      the factory.
②How can I comfort the girl        (dismiss) by her boss
from 
dismissed 
完成句子
③因为害怕被开除,他对此事保持了沉默。
He kept silent about it                  .
④你应该做些事来消除他心中的疑虑。
You should do something to                   .
for fear of being dismissed
dismiss doubts from his mind
7.At that moment,Tony took her in his arms,bringing his face close to hers.(Page 3)
就在那一瞬间,托尼将她揽入怀中,慢慢地贴近她的脸庞。
剖析 本句中的bringing his face close to hers是动词-ing形式短语做伴随状语。
My father sat in the armchair,reading a magazine.
我父亲坐在扶手椅中看杂志。
The two women stood there,talking with each other happily.
那两个女人站在那里,高兴地交谈着。
【合作探究】
读一读·细观察 
阅读下列句子,写出黑体部分所做的句子成分
①Hearing the news,they got very excited.
时间状语
②Not knowing her address,I can’t write to her.
原因状语
③He was killed in the accident,leaving his wife and two children.
结果状语
④Working hard,you will pass the final exam.
条件状语
记一记·长知识 
动词-ing形式短语表示主动关系,可以在句中做伴随状语、时间状语、原因状语、结果状语和条件状语等。
【即学即用】
单句语法填空
①The old man stood by the window,      (look) out of the window.
②       (turn) left,you will see a big garden on your left.
句型转换
③The boy was lying on the grass and he was staring at the stars.
→The boy was lying on the grass,             .
looking 
Turning 
staring at the stars
8.She heard him declare that he did not want to leave her the next day,and that he felt more than just the desire to please her.(Page 3)
她听到他宣布说他次日并不想离开她,而且他心里的愿望不只是让她开心而已。
★declare vt.表明;宣称;公布
【高考典句】(2019·全国Ⅱ高考) Picking up her“Lifetime Achievement”award,proud Irene declared she had no plans to retire from her 36-year-old business.
拿着“终生成就奖”,自豪的艾琳宣布,她不打算从从事了36年的事业中退休。
The area has been declared a national park.
已经宣布这个地区为国家公园。
【合作探究】
读一读·细观察 
阅读下列句子,写出黑体词组和含义
①That country declared war on Germany that year.
词组 declare war on...
含义 对……宣战
②Ella declared herself to be happy and satisfied.
词组 declare oneself to be...
含义 宣称自己……
说一说·勤归纳 
declare vt.表明;宣称;公布
declare war on...对……宣战
declare oneself to be...宣称自己……
想一想·善辨析 
announce 指把人们关心或感兴趣的事正式公布于众
declare 一般指在正式场合宣布官方的立场或态度等,侧重“当众”发表,多用于宣战、议和、宣判等。如:declare war on/against对……宣战
【即学即用】
单句语法填空
①When was it that the country declared war      Japan
②The woman declared      (she) to be very innocent.
选词填空(announce/declare)
③They         that she would give one extra song.
④Germany       war on France in 1914.
on 
herself 
announced 
declared
9.Work in groups and come up with an ending.(Page 3)
小组合作,想出一个结果。
★come up with想出;提出
They may come up with ideas that you haven’t considered.
他们或许会想出你没有考虑到的想法。
Who was it that came up with such a wonderful idea
到底是谁想出的这样好的主意
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①How did it come about that you were late
词组 come about 含义 发生
②When will her new book come out
词组 come out 含义 出版
③Could you tell me how comets came into being
词组 come into being 含义 形成
④I came across some old photos under the bed the other day.
词组 come across 含义 (偶然)遇见,发现
说一说·勤归纳 
【即学即用】
单句语法填空
①The little girl came up     a very practical idea to solve the problem.
②How did it come      that he was late for such an important meeting
翻译句子
③据说这位歌手的新专辑下周发行。
④男孩问爸爸,宇宙是怎样形成的。
with 
about 
答案:It is said that the singer’s new album will come out next week. 
答案:The boy asked his father how the universe came into being.
随堂练习
一、单词拼写
1.For years he managed to keep up the       (虚构的事) that he was not married.
答案:fiction
2.Some of the studies show positive results,      (然而) others do not.
答案:whereas
3.The old man fell off the      (梯子) and was badly injured the other day.
答案:ladder
4.Seeing that her son was injured because of her carelessness,she felt
     (内疚的).
答案:guilty
5.The young man is working hard and he is on a      (薪水) of about $4,000.
答案:salary
6.Her sister used to be a          (女售货员) when she was in that town.
答案:saleswoman
7.What they are trying to do is to make the disabled enjoy the films with
       (尊严).
答案:dignity
8.It was his personal         (诚实正直) that moved the people present at the meeting.
答案:integrity
9.It is         (荒唐的) of you to do such a thing in that situation.
答案:ridiculous/absurd
10.        (解雇) from the company,he decided to find a new job in another city.
答案:Dismissed
二、用所给短语的适当形式填空
more like,turn around,after all,fall off,come up with
1.The manager ordered him to          a new design within two days.
答案:come up with
2.While climbing the ladder,you must be careful not to        it.
答案:fall off
3.As a matter of fact,the old man is       a farmer than a professor.
答案:more like
4.You needn’t feel sorry.       ,it is not your fault.
答案:After all
5.In three years,she will          the company.
答案:turn around(共31张PPT)
内容索引
走近新课 一起感知
语法探究 一起思考
随堂练习
走近新课 一起感知
[语法感知]
写出下列句子中被动语态的种类
1.Next,the Chinese character Fu was attached upside down to our front door.

2.It is believed that when Fu is put upside down,happiness arrives.

3.The last time I went back to my hometown,a big power station was being built there.

一般过去时的被动语态
一般现在时的被动语态
过去进行时的被动语态
4.Eight novels have been written by this young girl up to now.

5.More work should be done to protect the environment.

现在完成时的被动语态
含情态动词的被动语态
语法探究 一起思考
词汇讲解
1.Whoever is charged with a crime should be presumed innocent until proven otherwise.(Page 4)
任何被指控犯罪的人应该在被证明有罪前假定为无罪。
★presume vt.& vi.假设;假定
I presumed that he understood the rules.
我想他明白这些规则。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体部分的句型、结构、词性和含义
①Little is known of the youngest son;it is presumed that he died young.
句型 It is presumed that... 含义 据推测……
②We must presume them to be innocent until we have proof of guilt.
结构 presume...to be... 含义 假定……是……
③There is a general presumption that the doctor knows best.
词性 名词 含义 可能的事;假定
说一说·勤归纳 
presume vt.& vi.假设;假定
It is presumed that...据推测……
presume...to be...假定……是……
presumption n.可能的事;假定
【即学即用】
单句语法填空
①It is        (presume) that walking does good to our health.
②I had to make a         (presume) since I knew nothing about the case.
③Let’s presume him       (be) honest before having a discussion.
presumed 
presumption 
to be
完成句子
④据推测,大声读英语有利于提高我们的口语水平。
           reading English aloud will be helpful to improve our oral English.
⑤我们可以先假定他的理论是正确的。
We can                 .
It is presumed that
presume his theory to be right
2.They believe if AI can handle tasks like calculating and driving for us,we will have more time for creating,thinking,and “being human”.(Page 4)
他们认为,如果人工智能能够处理像是计算和为我们开车这些任务,我们将会有更多的时间来创作、思考和“做人”。
★calculate vt.计算;核算;预测
Benefit is calculated on the basis of average weekly earnings.
补助金按平均周收入计算。
【高考典句】 (2019·天津高考)She calculated that going to a stranger’s house was a risky move,but she decided to take the chance.
她预料去一个陌生人的家是一个有风险的行为,但是她决定去冒险。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体部分的句型、词性和含义
①It is calculated that at least 47,000 jobs were lost last year.
句型 It is calculated that... 含义 据估算……
②It turned out that the person was a cold and calculating killer.
词性 形容词 含义 精于计算的
③Our guess was confirmed by calculation.
词性 名词 含义 计算
说一说·勤归纳 
calculate vt.计算;核算;预测
It is calculated that...据估算……
calculating adj.精于计算的
calculation n.计算
【即学即用】
单句语法填空
①It is calculated      in 1997 alone,about 2.3 million people died of that disease.
完成句子
②老师计算了全班的平均分。
The teacher                         .
that 
calculated the average mark of the whole class
③这幅画很珍贵,很难估计它的价格。
The painting is so valuable that it is difficult             .
④从他的话语中,我们可以确定他母亲是个精于计算的人。
From his words we could tell that his mother was           .
to calculate its price
a calculating woman
语法讲解
知识脉络
语法精讲
被动语态
一、被动语态概述
语态是动词的一种形式,用来说明主语和谓语动词之间的关系。英语动词有两种语态:主动语态和被动语态。主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。一般说来,只有及物动词才有被动语态。
二、各种时态的被动语态的构成
被动语态由“be+动词过去分词”构成。人称、数和时态的变化是通过be的变化体现的。几种常用时态的被动语态构成如下:
一般现在时:am/is/are+动词过去分词
一般过去时:was/were+动词过去分词
一般将来时:will/shall be+动词过去分词或am/is/are going to be+动词过去分词
现在进行时:am/is/are being+动词过去分词
过去进行时:was/were being+动词过去分词
现在完成时:have/has been+动词过去分词
过去完成时:had been+动词过去分词
English is taught in most schools.
大多数学校都开设英语课。
Their wedding was held in their hometown.
他们的婚礼是在他们家乡举行的。
Do you think the book will be reprinted
你觉得这本书会重印吗
He knew he would be punished for it.
他知道自己会为此受到惩罚。
注意 含有情态动词的被动语态:情态动词+be+动词过去分词。
Such work can be done in an hour or so.
这样的工作可以在一个小时左右做完。
三、主动语态变为被动语态的方法
1.把主动语态的宾语变为被动语态的主语。
2.把谓语变成被动结构,时态不变。
3.有时把主动语态中的主语放在介词by之后做宾语,原做主语的人称代词要用宾格。
All the people laughed at him.
→He was laughed at (by all the people).
They were building the new bridge.
→The new bridge was being built (by them).
We haven’t told her about it yet.
→She hasn’t been told about it yet (by us).
四、使用被动语态的场合
1.不知道或没有必要指出谁是动作的执行者时。
The bridge was built last year.
这座桥是去年建造的。
2.当更加强调动作的承受者时,动作的执行者由by引导置于谓语动词之后,不需要时可以省略。
The room hasn’t been cleaned yet.
房间还没有被打扫。
3.当动作的执行者不是人时,多用被动语态。
The whole village has been washed away by the flood.
整个村庄都被洪水冲走了。
五、主动形式表示被动意义的几种常见情况
1.某些连系动词,如look,sound,smell,feel,taste,prove要用主动形式表示被动意义。
The garden looks very beautiful.
这个花园看上去很美。
2.某些与can’t,won’t等连用的不及物动词,如move,lock,shut,open等。
The door won’t shut.
这门关不上。
3.某些可和well,easily等副词连用的不及物动词,如read,wash,clean,cook。
The cloth washes well.
这种布料好洗。
【即学即用】
把下列句子变成被动语态
①The citizens in this city use a great deal of water every day.
→A great deal of water       every day by the citizens in this city.
②You should pay more attention to your table manners.
→Your table manners .
is used
should be paid more attention to
③He gave her some money when he knew that she was in trouble.
→She                  when he knew that she was in trouble.
④The boy was making a kite when I saw him yesterday.
→A kite       when I saw him yesterday.
⑤The young man has translated three novels up to now.
→Three novels                    up to now.
was given some money by him
was being made by the boy
have been translated by the young man
随堂练习
一、单句语法填空
1.As we all know,Chinese         (speak) by many people outside China.
答案:is spoken
2.He told me that the matter          (look) into by the police then.
答案:was being looked
3.Just a little patience!The program          (broadcast) next Sunday.
答案:will be broadcast
4.Your homework should          (finish) as soon as possible.
答案:be finished
5.When I got there,all the windows           (clean) already.
答案:had been cleaned
6.The young trees           (water) by the old man twice a week.
答案:are watered
7.The girl complained that the new text was hard      (understand).
答案:to understand
二、翻译句子
1.It is reported that more than 20 people have been saved so far.
答案:据报道,到目前为止20多人获救了。
2.When I arrived,the pictures were being drawn by the girls.
答案:我到达时,女孩们正在画那些画。
3.He said that all the apples had been bought by an old man.
答案:他说所有的苹果都被一位老人买走了。
4.When he set about answering the email,he found it was not easy to answer.
答案:当他开始回复那封邮件时,他发现很难回复。
5.A practical plan must be come up with by the team by tomorrow.
答案:明天之前这个小组必须想出一个实用的计划。(共66张PPT)
内容索引
走进新课 一起读文
阅读鉴赏 一起思考
随堂练习
走进新课 一起读文
[词汇新知]
一、单词英汉互译
1.        /bl d/ adj.模糊不清的;难以区分的
2.        /su pI ri (r)/ adj.更好的;占优势的;(在级别或重要性上)更高的
3.       / leIb (r)/ n.劳动(者);体力劳动 vi.奋斗;努力工作
4.         / b kw dz/ adv.向后;倒着;往回
5.      / rIp/ vt.& vi.紧握;抓紧
6.        / heIzi/ adj.模糊的;朦胧的;困惑的
blurred 
superior 
labour 
backwards
grip 
hazy 
7.      /fet / vt.(去)拿来;(去)请来
8.          / h k t If/ n.手帕;纸巾
9.      / peIs/ n.速度;步伐;节奏 vt.& vi.确定速度;调整节奏
10.division /dI vI n/ n.           
11.urge / d / n.          
vt.          
12.random / r nd m/ adj.            
fetch 
handkerchief 
pace 
分开;分隔;差异;除(法) 
强烈的欲望;冲动 
催促;力劝;大力推荐 
随机的;不可思议的 
13.maximum / m ksIm m/ adj.       
n.             
14.explode /Ik spl d/ vi.& vt.       
15.jolt /d lt/ n.          
vt.& vi.         
16.flip /flIp/ vt.& vi.          
17.stun /st n/ vt.           
18.overstatement / v steItm nt/ n.     
最大极限的 
最大量;最大限度 
爆炸;爆破 
震动;摇晃;颠簸 
(使)震动;摇晃 
(使)快速翻转 (用手指)轻抛 
使震惊;使昏迷 
夸大;夸张
二、短语英汉互译
1.pros and cons              
2.superior to                
3.take over                
4.conflict with                
5.         关掉;熄灭;在场;使朝外;结果是
6.         (逐渐)减少;消失
7.              有强烈的欲望做某事
8.           在户外
事物的利与弊;支持与反对 
比……更好;更胜一筹 
占上风;取而代之;接管;接手 
与……冲突或抵触 
turn out 
fall away 
have an urge to 
in the open air
[阅读理解]
一、阅读课文“THE TIME MACHINE”,判断正(T)误(F)
1.I didn’t give the Time Machine a check before it began its career.(  )
2.Looking around,I found my laboratory changed.(  )
3.My niece came in to fetch something,but she didn’t see me.(  )
4.Around me I saw some trees that wouldn’t disappear forever.(  )
5.It is not dangerous for me to stop the Time Machine.(  )
F
F
T
F
F
二、阅读课文“THE TIME MACHINE”,选择正确答案
1.The sentence “It probably took her a minute,but to me she moved like a rocket!”showed that    .
A.she didn’t notice me
B.I didn’t notice her
C.the Time Machine travelled very fast
D.she walked too slowly
答案:C 
2.Which of the following statements is TRUE
A.I found it hard to describe the feeling of time travelling.
B.Looking around,I saw my laboratory was different from before.
C.My pace was so fast that I could see everything clearly.
D.I had never considered the risk of stopping the Time Machine.
答案:A 
3.When I stopped the Time Machine,I    .
A.exploded like a bomb
B.was thrown through the air
C.became more and more patient
D.saw the whole surface of the earth being changed
答案:B 
阅读鉴赏 一起思考
1.In sci-fi stories,robots often become superior and take over.(Page 6)
在科幻故事中,机器人经常变得很高级,并且占上风。
★(1)superior adj.更好的;占优势的
Your computer is far superior to mine.
你的电脑比我的强多了。
The enemy won because of their superior number.
敌人因为兵力占优势取得了胜利。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性、词组和含义
①He is younger than me,but he is superior to me in the company.
词性 形容词
含义 (在级别或重要性上)更高的
词组 be superior to
含义 比……级别高
②He is modest and is very kind to those who are junior to him.
词性 形容词
含义 地位低下的
词组 be junior to
含义 比……级别低
说一说·勤归纳 
superior adj.更好的;占优势的;(在级别或重要性上)更高的
be superior to 比……级别高
junior adj.地位低下的
be junior to 比……级别低
★(2)take over占上风;取而代之;接管;接手
It has been suggested that mammals took over from dinosaurs 65 million years ago.
有人提出哺乳动物是在6500万年前取代恐龙的。
The man will take over the job as manager.
这个人将接管经理一职。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①I was given some pills to take away the pain.
词组 take away
含义 解除
②I’m sorry.I take back what I said.
词组 take back
含义 收回
③Don’t be taken in by his charm—he is not reliable.
词组 take in
含义 欺骗
④The new magazine has really taken off.
词组 take off
含义 突然大受欢迎
⑤She took up the story where Tim had left off.
词组 take up
含义 继续
⑥We took the computer apart to see what was wrong.
词组 take apart
含义 拆开
⑦It was several minutes before I could take in what he was saying.
词组 take in
含义 理解
记一记·长知识 
【即学即用】
单句语法填空
①They listened to my lecture,but I wondered how much they took      .
②The young man took      the company after his father had retired.
③Please be seated!The plane is taking      .
in 
over 
off 
翻译句子
④那个公司去年被一个外国人接管了。
答案:Last year,the company was taken over by a foreigner.
2.A robot must protect its own existence as long as such protection does not conflict with the first or second law.(Page 7)
机器人必须保护自己的存在,只要这种保护不与第一条或第二条定律有冲突。
★conflict vi.冲突;抵触
His opinions conflict with mine,so we will have a face-to-face talk.
他的观点和我的不一致,所以我们要面谈一次。
Reports conflicted on how much of the aid was reaching the victims.
对于究竟有多少援助到了受害者手里,报告的说法彼此矛盾。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词的词性、词组和含义
①The conflict between Green and Troy lasted two days.
词性 名词 含义 矛盾;冲突
②She found herself in conflict with her parents over her future career.
词组 in conflict with 含义 与……有矛盾
③The young man came into conflict with his parents the other day.
词组 come into conflict with
含义 与……产生矛盾
④These results conflict with earlier findings.
词组 conflict with
含义 与……冲突或抵触
说一说·勤归纳 
conflict n.矛盾;冲突 vi.冲突;抵触
in conflict with与……有矛盾
come into conflict with与……产生矛盾
conflict with与……冲突或抵触
【即学即用】
单句语法填空
①John is so aggressive that he often conflicts      his colleagues in the factory.
完成句子
②我会尽量解决妈妈和姐姐之间的矛盾。
I will try my best to                     .
③这两个国家处于矛盾中已经两年了。
The two countries                     .
with 
solve the conflict between my mother and my sister 
have been in conflict with each other for two years
3.Looking around,I saw my laboratory exactly as before.(Page 8)
环顾四周,我看到实验室与以前一模一样。
★look around 向四周看;四处寻找
I looked around,but saw nothing.
我向四周看了看,但是什么也没看到。
He is looking around for a place to live in at the moment.
现在他正在找住的地方。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①The time has come when we should look ahead to the future.
词组 look ahead
含义 展望未来
②Don’t look away from the person who’s talking to you.
词组 look away from
含义 把目光从……移开
③He looked back and saw a policeman running after him.
词组 look back 含义 回头看
④Never look down on people who are not superior to you.
词组 look down on 含义 看不起
⑤The police are looking into the disappearance of two children.
词组 look into 含义 调查
⑥Each year,an inspector arrived to look over the power station.
词组 look over
含义 检查;查看
⑦I looked through today’s newspaper but I found nothing important.
词组 look through
含义 浏览;快速查看
⑧If there are words you do not understand, look them up in a dictionary.
词组 look up 含义 查阅
说一说·勤归纳 
【即学即用】
单句语法填空
①A working group has been set up to look      the problem.
②We looked      the house again before we decided we would rent it.
③The girl looked        her notes before the exam.
into 
over 
through 
翻译句子
④我们今天下午游览城镇吧!
⑤她看不起经常说谎的人。
答案:Let’s look around the town this afternoon!
答案:She looks down on people who often tell lies.
4.Night came as if a lamp was being turned out,and in another moment came the day.(Page 8)
夜幕降临了,仿佛一盏灯正在熄灭,转眼间,白昼就来临了。
★turn out 关掉;熄灭
Remember to turn out the lights when you go to bed.
临睡前别忘了关灯。
When he got home,he realised that he had forgotten to turn out the computer.
他到家时,意识到忘了关电脑。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①When she turned around,she saw a little girl standing there.
词组 turn around 含义 转身
②Because the hall was full,many people were turned away.
词组 turn away 含义 不准进入
③The baby is sleeping.Could you turn down the TV
词组 turn down 含义 调低
④How can you turn down such a good job
词组 turn down 含义 拒绝
⑤Turn off the lights when you leave the room.
词组 turn off 含义 关闭
⑥Unexpectedly the weather turned out pretty nice that day.
词组 turn out 含义 结果是
⑦He promised to come,but he hasn’t turned up.
词组 turn up 含义 出现
记一记·长知识 
【即学即用】
单句语法填空
①It turned      that the woman was a friend of my sister.
②They had nowhere to stay so I couldn’t turn them      .
out 
away 
完成句子
③他在那里说着,好像他到过世界的每一个角落。
He spoke there as if he                  .
④他被这个公司拒绝了,所以很难过。
He                ,which made him very sad.
had been to each corner of the world 
was turned down by the company
5.As my pace grew faster,the walls of the laboratory fell away,and I was left in the open air.(Page 8)
我的速度越来越快,实验室的墙壁随之坍塌,我置身野外。
★pace n.速度;步伐;节奏 vt.& vi.确定速度;调整节奏
The ball gathered pace as it rolled down the hill.
随着球向山下的滚动,它的速度越来越快。
It is hard to keep up with the rapid pace of change.
跟上快速的变化是很困难的。
He’ll have to learn to pace himself in this job.
他必须学会使自己适应这项工作的节奏。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组和含义
①We encouraged all the students to work at their own pace.
词组 at one’s own pace
含义 按照某人自己的节奏
②She found it hard to keep pace with him as he ran very fast.
词组 keep pace with
含义 与……步调一致
③You set the pace and I will follow you.
词组 set the pace
含义 确定速度
④She paced up and down outside the room.
词组 pace up and down
含义 走来走去
说一说·勤归纳 
at one’s own pace按照某人自己的节奏
keep pace with与……步调一致
set the pace确定速度
pace up and down走来走去
【即学即用】
单句语法填空
①When I saw him,he was walking      a fast pace.
②Students study     their own pace and the teachers seldom set tests.
翻译句子
③他拼尽全力和哥哥保持步调一致。
④爸爸让我确定速度,全家人跟着我走。
at 
at 
答案:He tried his best to keep pace with his brother.
答案:My father asked me to set the pace and the whole family would follow me.
6.The sun and moon looked as if they were being thrown across the sky,but soon there was division between night and day.(Page 8)
太阳和月亮看起来似乎正被抛向天空,但是很快就有了昼夜之分。
★division n.分开;分隔;差异;除(法)
In groups discuss what the possible work division was between men and women in the past.
分组讨论以前的男女分工可能是什么样的。
There are deep divisions in the party over the war.
党内对于这场战争存在着严重的分歧。
【合作探究】
读一读·细观察 
阅读下面句子,写出句中黑体词的词性、词组和含义
The fence divided the garden into two.
词性 动词
含义 分开
词组 divide...into...
含义 把……分成……
想一想·善辨析 
divide 常用词组“divide...into...”指把整体分成若干部分,即破坏原有的完整性
separate 常用词组“separate...from...”指把原来连在一起或靠近的人或事物分隔开,个体没有遭到破坏
说一说·勤归纳 
division n.分开;分隔;差异;除(法)
divide vt.分开
divide...into...把……分成……
【即学即用】
单句语法填空
①We decided to divide the class      three groups.
选词填空(divide/separate)
②The apple       into two equal parts.
③It is hard to        these good apples from those bad ones.
into 
is divided
separate
7.I had a strong urge to look at the random things that were being flashed before my eyes!(Page 8)
我有一种强烈的欲望,想看看眼前那些随机闪现的东西!
★(1)urge n.强烈的欲望;冲动
I never felt an urge to learn any sign language before.
我以前从没有学习手势语的欲望。
Having enough fat and salt in your meals will reduce the urge to snacks between meals.
吃饭时摄入足够的脂肪和盐将减少两餐之间想吃零食的欲望。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体部分的词性、句型和含义
①They urged me to pay more attention to my study.
词性 动词 含义 催促;力劝;大力推荐
②He urged that we (should) take immediate steps.
句型 urge that...(should) do... 含义 催促……做某事
③Every minute of the day is filled with urgent matters.
词性 形容词 含义 迫切的
说一说·勤归纳 
urge n.强烈的欲望;冲动 vt.催促;力劝;大力推荐
urge sb to do sth催促某人做某事
urge that...(should) do...催促……做某事
urgent adj.迫切的
★(2)random adj.随机的;不可思议的
The information is processed in a random order.
信息是按随机顺序处理的。
He grabbed a pair of random jeans and an old red shirt.
他抓了一条随意拿到的牛仔裤和一件旧的红衬衫。
【合作探究】
读一读·细观察 
阅读下列句子,写出句中黑体词组、词性和含义
①Names were chosen at random from a list.
词组 at random 含义 随机地
②The winning numbers are randomly selected by computer.
词性 副词 含义 随意地
说一说·勤归纳 
at random 随机地
randomly adv.随意地
【即学即用】
单句语法填空
①The citizens urged the government      (take) action at once.
②The girl sat down and opened the book       (random).
③It is reported that the new school is in an      (urge) need of new teachers.
to take
randomly 
urgent 
完成句子
④我感到了改变现状的强烈欲望。
I felt the urge                     .
⑤他催促妻子每月存一些钱。
He urged his wife that                    .
⑥他走进房间,随便拿过来一张报纸。
He walked into the room and                  .
to change the present situation
she should set aside some money each month
took a piece of newspaper at random
8.But if I stopped and the same space was being occupied by something else,we would be forced together and explode like a bomb!(Page 9)
但是,如果我停下来,同一空间就被别的东西占据,我们就会被挤在一起,然后像炸弹一样爆炸!
★explode vi.& vt.爆炸;爆破
There was a huge bang as if someone had exploded a bomb outside.
突然一声巨响,好像有人在外面引爆了炸弹似的。
【合作探究】
读一读·细观察 
阅读下列句子,写出黑体词的词性和含义
①“Of course there’s something wrong!”Jim exploded with rage.
词性 动词 含义 冲动;激动
②We all exploded into wild laughter.
词性 动词 含义 迸发
③There were two loud explosions and then the building burst into flames.
词性 名词 含义 爆炸(声)
【即学即用】
单句语法填空
①The        (explode) was caused by a burst gas pipe.
翻译句子
②Hearing the news,the manager exploded with anger.
explosion 
答案:听到这个消息,经理勃然大怒。
随堂练习
一、单词拼写
1.I glanced         (向后) over my shoulder to see if anyone was following me.
答案:backwards
2.The woman       (紧握) my hand to show her support.
答案:gripped
3.Alan had only      (模糊的) recollections of their meeting.
答案:hazy
4.The demand for skilled      (劳动) in the building industry is high.
答案:labour
5.It is not an          (夸大) to say a crisis is approaching.
答案:overstatement
6.The course allows students to progress at their own      (速度).
答案:pace
7.The expert said that it was a       (随机的) sample of voters.
答案:random
8.This company supplied        (更好的) wines.
答案:superior
二、用所给短语的适当形式填空
take over,conflict with,turn out,fall away,in the open air
1.The old man likes staying           and breathing in fresh air.
答案:in the open air
2.I didn’t know why he            his best friend that day.
答案:conflicted with
3.The land          sharply towards the river.
答案:falls away
4.Can you         the cooking while I am walking the dog
答案:take over
5.I’m sure it will all         well in the end.
答案:turn out(共6张PPT)
写作指导
本单元的写作内容是写一个科幻短故事。写此类故事时需要注意以下几点:
1.展开大胆合理的想象;
2.安排好表达顺序;
3.确定好故事中的人物,想象好故事情节;
4.故事要具体、生动、吸引人;
5.科学性与文学性要融为一体,可以使用夸张等修辞方法。
常用句式
1.I felt satisfied when I was looking at the time machine I had invented.
我看到我发明的时间机器时感到很满意。
2.It looked like a...
它看上去像……
3.It is hard to describe...
很难描述……
4.At first I...,then I....,in the end I...
刚开始时我……然后我……最后我……
5.As my pace grew faster,I felt more and more...
随着我的速度加快,我感觉到越来越……
6.Fortunately,I managed to stop the time machine...
幸运的是,我设法让时间机器停了下来……
针对训练
请根据下面的提示写一个关于你发明的时间机器的故事。要点包括:
1.描述你的时间机器的样子;
2.想象你乘坐时间机器所到达的地方以及见闻;
3.描述乘坐时间机器时的感受。
注意:词数80左右
参考范文
I felt satisfied when I was looking at the time machine I had invented.It looked like a huge bird.I sat myself in the leather seat and then I pushed the starting lever.My house disappeared instantly.It was hard to describe the strange feeling of time travelling.At first I was curious,but as my pace grew faster,I felt a little worried!Then I saw many robots!They were doing all kinds of jobs.Seeing me,they all looked up,surprised.One of them walked to me and shook hands with me.His hand was so warm and soft that I couldn’t believe that it was a robot.I was so frightened that I managed to stop the time machine.
写作提示
※主题:travelling in a time machine
※必备词汇:satisfied,invent,curious,shake hands with sb,believe,frightened,manage to do...
※必备句型:
1.I felt satisfied when I...
2.It was hard to describe...
3.As my pace grew faster,I...
4.Seeing me,they all...(共10张PPT)
重点单词
1.         n.小说;虚构的事
2.         n.意外收获;奖金;红利
3.         adj.愚蠢的;荒谬的;荒唐的
4.         n.诚实正直;完整;完好
5.         n.庄重;庄严;尊严
6.         n.薪水;薪金
7.         adj.荒谬的;荒唐的
8.         n.预约;约会;委任
9.         adj.内疚的;有罪的;有过失的
fiction 
bonus 
ridiculous 
integrity 
dignity 
salary 
absurd 
appointment
guilty 
10.         vt.悬;挂;暂停;暂缓
11.         vt.让(某人)离开;解散;解雇;消除
12.         vt.表明;宣称;公布
13.         conj.然而;但是;尽管
14.        vt.& vi.假设;假定
15.         adj.每周的 n.周刊
16.         vt.计算;核算;预测
17.         adj.模糊不清的;难以区分的
18.         adj.更好的;占优势的;(在级别或重要性上)更高的
suspend 
dismiss 
declare 
whereas 
presume 
weekly 
calculate 
blurred
superior  
19.         n.劳动(者);体力劳动 vi.奋斗;努力工作
20.         adv.向后;倒着;往回
21.         vt.& vi.紧握;抓紧
22.         adj.模糊的;朦胧的;困惑的
23.         vt.(去)拿来;(去)请来
24.         n.速度;步伐;节奏 vt.& vi.确定速度;调整节奏
25.         n.分开;分隔;差异;除(法)
labour 
backwards 
grip 
hazy 
fetch 
pace 
division 
26.         n.强烈的欲望;冲动 vt.催促;力劝;大力推荐
27.         adj.随机的;不可思议的
28.         adj.最大极限的 n.最大量;最大限度
29.         vi.& vt.爆炸;爆破
30.         n.震动;摇晃;颠簸 vt.& vi.(使)震动;摇晃
31.         vt.& vi.(使)快速翻转;(用手指)轻抛
32.         vt.使震惊;使昏迷
urge 
random
maximum 
explode 
jolt 
flip 
stun
重点短语
1.             检验;测试
2.             更像是;更接近
3.             有尊严地
4.             更确切地说
5.             写出
6.             转身
7.             毕竟;终究
8.             从……掉下来
9.             不仅仅是
test out 
more like 
with dignity 
or rather 
write out 
turn around 
after all 
fall off
more than 
10.             想出
11.             根据;以……的方式(基准)
12.             事物的利与弊;支持与反对
13.             比……更好;更胜一筹
14.             占上风;取而代之;接管;接手
15.             与……冲突或抵触
16.             关掉;熄灭;在场;使朝外;结果是
17.             (逐渐)减少;消失
18.             有强烈的欲望做某事
19.             在户外
come up with 
on a...basis 
pros and cons 
superior to 
take over 
conflict with
turn out 
fall away 
have an urge to 
in the open air
重点句型
1.At that moment,Tony took her in his arms,             .
就在那一瞬间,托尼将她揽入怀中,慢慢地贴近她的脸庞。
2.                  should be presumed innocent until proven otherwise.
任何被指控犯罪的人应该在被证明有罪前假定为无罪。
3.The sun and moon looked               across the sky,but soon there was division between night and day.
太阳和月亮看起来似乎正被抛向天空,但是很快就有了昼夜之分。
4.                   ,it didn’t matter.
只要我高速穿越,这就无关紧要了。
bringing his face close to hers 
Whoever is charged with a crime 
as if they were being thrown 
So long as I travelled at maximum speed
重点语法
被动语态
1.It was going          (test) out by Larry’s wife,Claire.
2.Claire thought it was ridiculous that she            (offer) sympathy by a robot.
3.As he            (not allow) to accompany her to the shops...
to be tested 
was being offered 
was not allowed
交际功能
Changing the topic
Oh,by the way,...哦,顺便说一下,……
Oh, I remember,...哦,我记得,……
I nearly forgot!...我差点忘了!……
What I meant to tell/ask you is...我打算告诉/问你的是……
...,but (perhaps) that’s beside the point. ……但(或许)这不是重点。
That reminds me of...那让我想起了……
The next item on the agenda is...议事日程上的下一项是……
I think we ought to move on to...我认为我们应该继续……
On the one hand...On the other hand...一方面……,另一方面……
Oh,there was something I meant to tell you.哦,那就是我打算告诉你的。
Could I change the subject 我可以换个话题吗