(共56张PPT)
Unit 6 Earth first
Language points(3)
Language Points
... and the majority of us take steps to save energy and reduce waste and pollution.
majority n. 多数,大多数(人或物)
the majority of… 大多数…
in a / the majority 占大多数
The majority of the employees have university degrees.
大部分雇员都有大学文凭。
In the nursing profession, women are in a/the majority.
女性在护理行业中占大多数。
(1)The majority+ 单数 / 复数谓语
The majority was/were in favour of banning smoking.大多数人支持禁烟。
(2)
复数名词+复数谓语
The majority of +
不可数名词+单数谓语
【单词积累】
(1)major adj. 主要的,重要的 n. 主修科目,专业 v. 主修
major in 主修……
(2)minor adj. 小的,不很重要的 → minority n. 少数,少数派
学法点拨
完成句子
(1)The agreement seems to be impossible because _________________________(大多数成员)are against it.
(2)Only (少数的)people in that city do not have a car while the people taking the subway to work are (占大多数).
the majority of the members
a minority of
in the / a majority
单句语法填空
(3)To my surprise, the majority of the students (be)for his proposal.
(4)One-third of the country (be)covered with trees and the majority of the citizens (be)black people.
are
is
are
take steps to do sth. 采取措施做某事
We are taking steps to prevent pollution.我们正在采取措施防止污染。
【归纳拓展】
(1) take measures to do sth. 采取措施做某事
take action to do sth. 采取行动做某事
(2) step up 使增加,使加快;走上前去
step by step 逐步地
out of step 不合拍,不一致
mind/watch your step 走路小心;言行小心谨慎
单句语法填空
(1)The wild population of koalas is in danger of dying out,so we should take steps __________(protect)them.
(2) It is time for us to take measures __________(protect)the environment.
(3) Jack stepped __________ his pace because he didn’t want to be late again.
to protect
to protect
up
Plastic bags cause litter and are a danger to wild animals, which mistake them for food.
mistake...for... 把……错当成……
I think you must be mistaking me for someone else.
我想你准是认错人了。
【归纳拓展】
(1)by mistake 错误地,无意地
make a mistake 犯错
admit one’s mistake 承认自己的错误
(2)be mistaken about... 误解……;对……持有错误的见解
单句语法填空
(1) A woman mistook him a well-known actor, and asked him for his autograph(亲笔签名).
(2)Tom must have taken your dictionary mistake.
(3)Don’t worry. We all make (mistake).
(4)Unfortunately, I was (mistake)about how much it would cost.
完成句子
(5) I took your bag instead of mine (错误地).
for
by
mistakes
mistaken
by mistake
It takes hundreds of years for plastic to break down, but much less time for paper.
break down (使)分解;出故障;失败;垮掉;消除
Guess the meaning of “break down”.
Food is broken down in the stomach.
Our car broke down and we had to push it off the road.
Talks with business leaders broke down last night.
Her health broke down under the pressure of work.
It takes a long time to break down prejudices.
分解
抛锚,出故障
失败
垮掉
消除
归纳拓展
break up 破碎;解散 break into 强行闯入;突然……起来
break in 破门而入;打断谈话 break away(from)脱离;逃脱
break through 突破 break off 中断;折断
break out(战争、火灾等)突然发生,爆发
完成句子
(1) He had to pause from time to time to wipe the sweat from his forehead,because the air-conditioning system (发生故障).
(2)The river was covered with ice,which could sometimes (破裂)without warning.
(3)A big fire (突然发生)last night and its cause is being looked into.
(4)When he got home,he found his house (被闯入).
(5)Burglars (窃贼) (强行进入)through the bedroom window.
broke down
break up
broke out
broke into
broke in
However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water .
动名词(短语)作主语
(1)动名词(短语)作主语可直接位于句首,也可用 it 作形式主语,而将动名词(短语)后置。单个的动名词(短语)作主语时,谓语动词用单数形式。
Saying is one thing, and doing is another.
说是一回事,而做是另一回事。
Staring at someone is impolite.
盯着人看是不礼貌的。
It’s rather tiring looking after the kids.
照看孩子相当累人。
(2)常用动名词(短语)作主语的句式:
It is no use/no good doing sth. 做某事是没有用的。
It is a waste of time doing sth. 做某事是浪费时间。
It is no fun doing sth. 做某事没有乐趣。
It’s no use crying over spilt milk. 覆水难收。
It is a waste of time discussing such matters.
讨论这样的事情是浪费时间。
【学法点拨】
动名词和动词不定式都可以作主语。动名词作主语,表示一般或抽象的多次性的行为;动词不定式作主语往往表示具体的或一次性的动作。
倍数表达法常用的几种形式:
(1)倍数 + as + 形容词 / 副词的原级 + as + 其他
(2)倍数 + 形容词 / 副词的比较级 + than + 其他
(3)倍数 + the + size/height/weight/length/width/depth...+ of + 其他
(4)倍数 + what 从句
When you study the local map,you will find this town is three times as big as that one.
= …,you will find this town is three times bigger than that one.
= …,you will find this town is three times the size of that one.
(1)上述结构中的“倍数”部分也可用分数、百分数代替。
(2)表示两倍时,一般用 twice/double;times 表示“倍数”时,一般用于表示三倍或三倍以上。
学法点拨
单句语法填空
(1)Peter’s jacket looked just the same as Jack’s,but it cost twice much as his.
(2) This department is twice (big)than that one.
(3) Our manager presented a report three times
(long)of mine.
as
bigger
length
一句多译
这条路的长度是三年前的四倍。
(4) The road is four times it was three years ago.
(5) The road is four times it was three years ago.
(6) The road is four times _________________ it was three years ago.
(7)The length of the road is four times three years ago.
as long as
the length of what
what it was
longer than
However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water .
amount n.数量,数额
A large amount of = large amounts of
A small amount of = small amounts of
The task will take a large amount of time and energy.
那项工作将花费大量的时间和精力。
They didn’t deliver the right amount of sand.他们运来的沙子数量不对。
【误区警示】
A large /small amount of +不可数名词+单数谓语
Large / small amounts of +怒可数名词+复数名词
单句语法填空
(1)A large amount of money (spend) building more modern kindergartens so far this year.
(2)Large amounts of money (waste) buying useless things every year.
(3) With more forests being destroyed,a large amount of good earth (be) being washed away each year.
完成句子
(4)He wasted (大量时间)playing computer games.
are wasted
is
has been spent
a large amount of time/large amounts of time
To make sure your appliance is in fact off, remove the plug from its power supply.
remove v. 移走,搬走,去掉;消除,除去;
免除……的职务,开除
Remove…from…把…从…搬走/移开
Remove sb. from sth 免除某人的职务
As soon as the cake is done, remove it from the oven.
蛋糕一烤好,就把它从烤箱里移出来。
She has been removed from her position as a director.
她已经被免去了董事职位
Illegally parked vehicles will be removed.
非法停放的车辆将被拖走。
remove one’s doubt/trouble 消除某人的疑虑 / 烦恼。
单句语法填空
(1)To our amazement,the official was removed office.
(2)You’d better have the old furniture (remove).
(3)Once formed,the bad habits are hard (remove).
完成句子
(4) You’d better perform well to (消除他的疑虑).
(5)He (被开除了) the post because he broke the rules and regulations of the company by design.
from
removed
to be removed
to be removed
was removed from
It is the production of food, not its transport, that uses most of the energy and produces most of the greenhouse gases .
强调句型
(1)强调句型的基本结构:It is/was + 被强调部分 + that + 其他部分. 该句型可强调主语、宾语、状语等,但不能强调谓语。
(2)一般疑问句:Is/Was it + 被强调部分 + that + 其他部分
特殊疑问句:疑问词 + is/was + it + that + 其他部分
Was it her failing her exam that made her parents unhappy
是她考试不及格使她的父母不高兴吗?
When was it that she changed her mind 她是什么时候改变主意的?
(3)not...until... 的强调句型:It is/was not until...that + 其他部分 .
I didn’t realize she was a famous film star until she took off her dark glasses.
→ It was not until she took off her dark glasses that I realized she was a famous film star.
直到她摘下墨镜,我才意识到她是一位著名的电影明星。
误区警示
(1)强调句型中的 it 不能用其他词代替。
(2)被强调部分指人时,可以用 who 代替 that,其他情况一律用that。
(3)用 is 还是 was 要根据原句的时态而定:属于现在或将来时间范畴的所有时态用 is;属于过去时间范畴的所有时态用 was。
【学法点拨】
判断句子是不是强调句型的方法:去掉 it is/was 与 that/who,剩余部分若结构完整、句意明确,则为强调句型,否则就不是。
单句语法填空
(1) It was in the living room Mary argued with her husband.
(2) Was it yesterday the building was damaged
(3)Who was it lost patience with you
(4) was because Jack got up late that he missed the ferry.
(5)It was not until the professor came they began the test.
(6) It was my brother helped me a lot when I was at university.
that
that
that
It
that
that/who
一句多译
I met an old deskmate at the railway station yesterday.
(7) 强调主语________________________________________________________________
(8) 强调宾语________________________________________________________________
(9) 强调地点状语: ________________________________________________________________
(10) 强调时间状语: ________________________________________________________________
It was I that/who met an old deskmate at the railway station yesterday.
It was an old deskmate that I met at the railway station yesterday.
It was at the railway station that I met an old deskmate yesterday.
It was yesterday that I met an old deskmate at the railway station.
... even taking into account its transport .
take... into account 把……考虑进去(= take account of)
I think you have to take into account that he’s much younger than the rest of us.
我认为你得考虑到他比我们其他人都要年轻得多。
归纳拓展
account for 是……的原因;解释;(在数量或比例上)占
give an account of 描述……
open/close an account 开立 / 结清账户
on account of 因为,由于
on no account 决不,绝对不 (位于句首时,句子用部分倒装语序)
单句语法填空
(1) Coursework is taken account as well as exam results.
(2) Lighting accounts about 7% of the total electricity consumed in the US.
完成句子
(3) The poor weather may have (是……的原因)the increase in the number of people who cough day and night.
(4)He was too shocked to (描述)what had happened.
into
for
accounted for
give an account of
We are writing this letter to call on everyone to take part in the Clear Your Plate campaign.
campaign n. & v.
(1)n.(宣传)活动;运动;战役
a campaign for / against 争取/反对…的运动
launch / start a campaign 发起运动
a campaign for equal rights 争取平等权利的运动
Police launched a campaign to reduce road accidents.
(2)v. 参加活动;发起运动
campaign for/ against 参加/发起 争取/反对…的运动
campaign to do 为了做…而参加运动
He has campaigned against whaling for the last 5 years.
They’ve been campaigning for years to get him out of prison.
单句语法填空
(1) They have launched a campaign (protect)ancient buildings in urban areas.
(2)They are campaigning (prevent)the wild animals being hunted.
完成句子
(3)He joined a group (发起运动反对)the destruction of the rain forests.
(4)Since then, they (发起一场伟大的运动)to make the beaches safer for swimmers and tourists.
to protect
campaigning against
have launched a great campaign
to prevent
It urges people to save food by not wasting anything on the dining table.
urge v. &n.
(1)v. 竭力主张,强烈要求,敦促
urge sb to do sth 力劝/敦促某人做某事
urge that…. 力劝/敦促….
Our teachers urge that we (should) study hard with the College Entrance Examination drawing near.
随着高考的临近,我们的老师敦促我们努力学习。
(2)n. 强烈的欲望,冲动
搭配:an urge to do sth. 做某事的冲动
I have an urge to help people out when they’re in trouble.
当人们遇到困难时,我有一种帮助他们的冲动。
【学法点拨】
urge 后跟从句时,从句常用虚拟语气,即从句谓语用“should + 动词原形”,should 可以省略。
【单词积累】
urgent adj. 紧急的;急切的 urgently adv. 紧急地;迫切地 urgency n. 紧急,紧迫
单句语法填空
(1) That country urged the relevant parties (keep)calm and adopt a responsible attitude.
(2)They might then urge their parents and other people (give)up smoking, too.
(3) He had a sudden urge (design)a poster personally.
(4)I have an (urge)message. Call me back as soon as possible.
to keep/ (should) keep
to give
to design
urgent
完成句子
(5) Teachers urged parents (不要允许)their children under 12 to ride bicycles to school for safety.
(6) My teacher urged that (我们下课后应多做运动).
not to allow/(should)not allow
we (should) do more exercise after class
We are concerned that ...
concerned adj.焦急的,担忧的;有关的
be concerned that… 担心…
be concerned about / for… 担心/关心…
be concerned with 与…有关,关于
as far as sb. is concerned 在某人看来,就某人而言
as far as sth. is concerned 就某事而言
I’m a bit concerned about/for your health.
我有点儿担心你的健康。
As far as I’m concerned,the film is worth seeing.
在我看来,这部电影值得一看。
误区警示
concerned 作前置定语时,意为“担心的;关心的”;作后置定语时,意为“有关的”。
concerned parents 忧心忡忡的家长
the people concerned 有关的人
单词积累
concern v. 使忧虑,使担心;与……有关
n. 担心,忧虑;担心的事
concern oneself with/about 关心……;担心……
with concern 关切地
express/show concern about/for 对……表示关心 / 担心
一言辨异
As far as I am concerned, educators should be concerned about the problems that are concerned with the healthy growth of the children and concern themselves with the work of education.
依我之见,教育工作者应该关心与儿童健康成长有关的问题,并使自己参与教育工作。
单句语法填空
(1)As far as I’m (concern),the idea is crazy.
(2) In fact,John has never been (concern)about what others think of him.
(3) My teacher is looking at me concern.
(4) Several parents showed their great concern their children’s safety at school.
(5) The meeting was concerned the system reforms and everyone present was concerned their own interests.
(6)What (concern)me is our lack of preparation for the change.
concerned
concerned
with
about
with
about
concerns
完成句子
(7)The (忧心忡忡的家长)were all _____________(担心)the children’s safety.
(8) (就我而言),reading English newspapers is of great help to our English study.
(9)Please come here on time. The matter (与……有关)all of you.
As far as I am concerned
is concerned with
concerned parents
concerned about
Look at the three items that contribute to a carbon footprint.
contribute v. 促成,造成(某事发生);捐助,捐赠,贡献;投稿,撰稿
Contribute…to… 为…捐献…
Contribute to… 促成,造成;向…捐款;为…做出贡献
The volunteers contribute their own time to the project.
Smoking contributed to his early death.吸烟导致他早逝
【归纳拓展】
make a contribution/contributions to/towards... 为……作出贡献
Rosa Parks made a great contribution to the civil-rights movement in the US.
一言助记
Many people contributed money to the poor boy, which contributed to his return to school. A writer wrote a story about this and contributed it to a press.
许多人给那个贫穷的男孩捐款,这使他重返校园。一位作家写了一个关于此事的故事并把它投给了一家出版社。
写出下列句中 contribute 的含义
(1) She contributed a number of articles to the magazine. _______
(2)Alcohol contributes to many deaths a year in this country. _______
(3) The volunteers contribute much time to the activity. _______
投稿
造成
贡献
单句语法填空
(4) The Song Dynasty contributed three great inventions __________ the world.
(5)He got promoted for his __________(contribute)to the company.
(6)The famous writer is one of the several authors __________ (contribute)to the book.
to
contributions
contributing
完成句子
(7) Eating too much and lack of exercise __________________ (导致)his being too fat.
(8)Every one of us should ________________________________ (为……作出贡献)our society.
contribute to
make a contribution/contributions to
The average score of our group is ...
average adj.平均(数)的; 平常的, 普通的 n. 平均数; 平均水平
on average 平均来看
an average of 平均…
the average of… …的平均数
above/ below average 高于、低于平均水平
An average of 10 students were absent each day last term.
上学期平均每天有 10 名学生缺席。
400 people a year die of this disease on average.
平均每年有 400 人死于这种疾病。
He was in his late twenties and of average height.
他年近三十,中等个头。
单句语法填空
(1)The province’s rainfall this year is average. Many plants are short of water and have been dead.
(2) average, 90% of the students per class in this school are experienced in studying maths.
(3)Last year was the warmest year on record,with global temperature 0.68℃__________the average.
完成句子
(4) (平均来看),each member earns $5 per hour.
below
On
above
On average
完成课后相关练习
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谢谢观看