[配套课件] Unit 6 When was it invented? Section A知识讲练—人教版英语九年级全一册

(共41张PPT)
Unit 6
When was it invented
【学习目标】
1.主题：人与社会——人类发明与创新。
2.阅读：通过阅读了解生活中有哪些发明，它们是被谁发明的
以及如何被发明的。
3.语法：正确运用一般过去时的被动语态。
4.写作：介绍历史上的某个发明；介绍一款新发明；介绍新发
明对我们的影响等。
Section A
【单词乐园】
名 词：1.________鞋跟；足跟
2.________勺；铲子
heel
scoop
electricity
3.__________电；电能
4.________样式；款式
5.________项目；工程
style
project
6.________高兴；愉快
7.________(＝zip)拉链；拉锁
8.________网站
pleasure
zipper
website
9.________先锋；先驱
10.________统治者；支配者
11.________圣人；智者
pioneer
ruler
sage
12.__________受欢迎；普及
13.________冰箱
popularity
fridge
wolf
earthquake
bell
biscuit
14.________狼
15.___________地震
16.________钟(声)；铃(声)
17.________饼干
18.________曲奇饼
19.__________器械；仪器；工具
cookie
instrument
mention
boil
remain
warn
translate
ring
动 词：1.________提到；说到
2.________煮沸；烧开
3.________保持不变；剩余
4.________警告；告诫
5.________翻译
6.________(使)发出钟声或铃声；打电话
daily
accidental
national
low
形容词：1.________每日的；日常的
2.___________意外的；偶然的
3.________国家的；民族的
4.________低的；矮的
5.________突然(的)
sudden
musical
6.________音乐的；有音乐天赋的
list
spread
trade
doubt
somebody
lock
兼类词：1.________ v.列表；列清单 n.名单；清单
2.________ v.传播；展开 n.蔓延；传播
3.________ n.贸易；交易 v.做买卖；从事贸易
4.________ n.疑惑；疑问 v.怀疑
5.__________ pron.某人 n.重要人物
6.________ v.锁上；锁住 n.锁
【必背短语】
1.be used ________被用来……
2.________ pleasure 当然
for
with
point
3.have a ________有道理
4.________ that time 在那时
5.________ accident 偶然；意外地
at
by
over
6.________ an open fire 在火上
7.________ doubt 毫无疑问；的确
without
all
of
8.________ ________ a sudden 突然；猛地
【常用句型】
1.It is said that a Chinese ruler called Shen Nong _______
________ ________ ________ discover tea as a drink.据说有一位叫
作神农的中国统治者最早发现了茶可以饮用。
2.It is believed that tea _______ _________ to Korea and Japan
during the 6th and 7th centuries.人们认为茶在六至七世纪期间传播
到了韩国和日本。
was
the
first
to
3.The tea trade from China to Western countries ________
________ in the 19th century.中国与西方国家间的茶叶贸易发生在
19 世纪。
was
brought
took
place
invent 的用法
教材 P41 When was it invented？它是什么时候被发明的？
归纳 invent 是动词，意为“发明，创造”。invent＋-or(表示
人)→inventor 发明者，创造者。invent＋-ion(表示行为、状态、结
果)→invention 发明，创造；发明物，创造的事物。
Thomas Edison was a great inventor. 托马斯· 爱迪生是伟大的
发明家。
This makes it the most popular invention ever.这使它成为有史
以来最受欢迎的发明。
The invention of the computer has revolutionized the world.电脑
的发明使世界发生了根本变化。
单词 用法 例句
invent “发明，创造”出原来并不存在的东西 Alexander Graham Bell invented the telephone in 1876.
1876年，亚历山大·格雷厄姆·贝尔发明了电话。
discover “发现”原本存在的，但以前未被发现或不为人知的东西 Columbus discovered America in 1492.哥伦布在1492年发现了美洲。
辨析
invent、discover 与 create
单词 用法 例句
create “创作、创造”出新的
东西，其对象往往是艺
术、文学作品中的人物
或新的科学领域，还可
以是新的机会等 He creates beautiful paintings. 他
创作漂亮的绘画。
The government plans to create
more jobs for young people. 政府
计划为年轻人创造更多的就业
机会。
运用 单项填空。
A
(
)(1)—Bi Sheng, an ancient Chinese, invented movable type
printing in the 1040s.
—It was developed in China but served the world.(选出可以替
换画线部分的最佳选项)
A.created
B.discovered
C.searched
(2)—Who ________ the computer
A
inventor
—Sorry, I've no idea.But it has changed the world greatly.
A.invented
C.made
B.discovered
D.played
单句语法填空。
(3)Alexander Bell was the _________ (invent) of the telephone.
(2023 年盘锦市)
短语 用法 例句
with pleasure 意为“当然，很愿意”，用于愉快地接受或同意对方的请求或邀请，相当于All right、No problem、I'd like to等 —Will you lend me the book？这本书可以借给我吗？
—With pleasure! 当然！
pleasure 的用法
教材 P42 With pleasure! 当然！
归纳 pleasure 是名词，意为“高兴；愉快”。
辨析
with pleasure 和 my pleasure
短语 用法 例句
my
pleasure 意为“不客气，很乐意效劳”，
用于礼貌地回答对方的感谢，
相当于“It has been my pleasure
to do...” —Thank you for inviting
me to your party.谢谢你
邀请我参加你的派对。
—My pleasure.I’m glad
you could come.不客气。
我很高兴你能来。
单词 词性 含义 例句
please v. 使高兴；使满意 It always pleases me to see him！
看到他，我总是很开心。
pleased adj. 高兴的；喜欢的 I’m very pleased with the
performance.我对这个表演非常
满意。
pleasant adj. 令人愉快的 We spent a pleasant day there.我
们在那儿度过了愉快的一天。
拓展 pleasure 的同根词
运用 单项填空。
C
(1)—Ruby, could you please help me solve these problems
—________, but still half are left for you to do by yourself.(2022
年达州市)
A.I don't think so
C.With pleasure
B.I hope not
D.It's my pleasure
pleased
pleasure
pleasant
运用 微语篇填空。
The two friends were very (2)________ to see each other.It's a
great (3)________ to help others in trouble.It is a (4)________ way to
make cities beautiful.
被动语态(二)
1.一般过去时的被动语态的含义
一般过去时的被动语态表示过去某一时间的被动动作或过去
经常性、习惯性的被动动作，其结构为“主语＋was/were＋及物
动词的过去分词(＋by＋动作执行者)”。
2.一般过去时的被动语态的句式结构
例
The tree was planted (by Tom) last year.这棵树是去年(由
汤姆)种的。
The window was not broken.窗户没被打破。
Was the window broken？窗户被打破了吗？
When was the window broken？窗户是什么时候被打破的？
归纳 (1)肯定句式：主语＋________＋过去分词(＋by＋动作
执行者＋其他).
（2）否定句式：主语＋was/were not＋________ (＋by＋动作执
行者＋其他).
（3）一般疑问句式：Was/Were＋主语＋过去分词(＋by＋动作执
行者＋其他)
（4）特殊疑问句式：What/Where/When/...＋was/were＋主语＋过
去分词(＋其他)
3.特殊句型被动语态的转换
例
I heard him sing Beijing Opera in the next room yesterday.
我昨天听见他在隔壁房间里唱京剧。
He was heard to sing Beijing Opera in the next room yesterday.
(变成主语补足语必须带 to)
他昨天被听见在隔壁房间里唱京剧。
归纳
在主动语态中，make、 see 等动词后接不定式时，常
省略 to。变成被动语态时，要还原 to。
注意：常跟省略 to 的不定式作宾语补足语的动词有：①感官
动词：hear, feel, notice, watch, look, see, observe；
②使役动词：make, let, have。
例
My good friend looked after my little cat well. 好友把我的
小猫照顾得很好。
My little cat was looked after well by my good friend. 我的小
猫被好友照顾得很好。
归纳 短语动词是一个不可分割的整体，在变为被动语态时，
不可丢掉构成短语动词的介词或副词。
运用 单项填空。
(1)A lot of trees ________ last spring, so we can see more green
this year.(2024 年镇江市)
D
D
A.plant
C.planted
B.are planted
D.were planted
(2)Emma got excited when her writing ________ as a model in
class.(2024 年河北省)
A.reads
B.read
C.is read
D.was read
用所给单词的正确形式填空。
(3)The telephone _____________ (invent) by Bell in 1876.
(4)Nostalgia______________ (write) by the famous Chinese
poet Yu Guangzhong.
(5)His new novel is very popular and it _________ (sell) out last
week.
was invented
was written
was sold
完成句子，每空一词。
(6)Though the earthquake destroyed many houses, people didn’t
lose hope.(改为被动语态)
were
destroyed
Though many houses ________ ________ by the earthquake,
people didn’t lose hope.
(7)The professor expressed a different opinion on the use of
shared bikes.(改为被动语态)
was
expressed
A different opinion ________ ________ by the professor on the
use of shared bikes.
(8)The research group discovered a new kind of insect last week.
(改为被动语态)
was
discovered
A new kind of insect _______ _________ by the research group
last week.
一、选出画线部分发音不同的一项。
C
C
(
)1.A.popularity
B.national
C.trade
(
)2.A.pleasure
B.smell
C.heel
二、根据括号内单词的正确形式填空。
electricity
The fridge, a pioneer in home appliances, was invented in the
early 20th century.It was designed to preserve food using 1.________
(electric), replacing traditional iceboxes.An 2._________ (accident)
discovery in cooling technology improved its efficiency.However,
fridges remained not too popular initially due to high costs.With
technological advancements, their 3.__________ (popular) suddenly
grew.Today, modern styles of fridges are translated into essential
household items worldwide.
accidental
popularity
三、用方框中所给短语的正确形式填空。
by accident
1.I don't know whether they did it ______________ or by design.
2.Other group matches ___________ at the same time yesterday.
3.________________, he runs the fastest among them.
4.________________, gold was worth $920 an ounce.
5.Do you know what it________________？
took place
Without doubt
At that time
is used for
be used for, at that time, by accident,
take place, without doubt
四、根据教材 Section A 的 2d 完成短文填空。
project
Paul and Roy are having a nice talk.They're talking about the
subject for Paul's school 1.________ “Small inventions that change
the world”.Roy thought of an invention—the zipper.It's 2.________ a
great invention that it's often used in our 3.________ lives.We can see
zippers on dresses, trousers, bags...almost everywhere! Roy saw a
website about it last week.The pioneers of 4.________ inventions
were listed.For example，it 5._________ that the zipper was invented
by Whitcomb Judson in 1893.Around 1917, it was used widely.
such
daily
different
mentioned
五、配对阅读。
左栏是五个人的需求，右栏是七台智能机器的介绍，请将他
们的需求和介绍进行匹配。选项中有两项为多余项。
(　　)1.Wei Wei always feels very cold when he comes home from school in winter. He plans to buy a machine that keeps him warm.
(　　)2.Mr.Liu is a careless person.He always forgets to turn off the lights.He needs something to solve the problem. A.You can see inside this smart fridge without opening the doors.It tells you what food you have and when it might go bad.
B.This robot is just 141mm tall.It can walk on two legs and move its shoulders, elbows and knees.It can play with babies.
C.It's easy to use the smart thermostat (恒温器) to control the temperature of the house when it gets too cold or too hot.You can just use the app on your phone to set the temperature.
C
F
D
A
E
(　　)3.Anna’s birthday is coming.Her friends will have a party for her.They would like to dance, sing and play games. They need something to play music.
(　　)4.Wang Fen likes cooking on the weekend.She wants to have a little assistant (助手) that helps her plan meals.
(　　)5.Zhao Lin often hits someone when opening the car door.So he wants to have a device (设备) that helps him avoid accidents. D.You can use this special box called a smart speaker. When you don't know something, you ask it, and it gives you answers.You just say, “Hey, play some music！”
E.This smart object can find people or cars in the mirror as they get closer.It will sound an alarm when the door handle inside is pulled.People nearby can notice that.
F.A smart light can change colors to make your room yellow like sunshine or blue like the ocean.Even if you forget to turn off the light, you don’t need to go back home.You can use your phone to turn it off.
G.This car door that opens by itself when you come close makes it easy for you to get in and out.
六、短文填空。
(2023 年广东省)
请从方框内选择适当的词，并根据需要用其正确形式填空，
使文章语法正确、完整连贯。注意：每空一词，每词仅用一次，
有两词为多余项。
it, either, be, because, what, else, by, invent, clean, popular, habit, hundred
There is a small thing we use every day.We usually put 1.______
in the bathroom.Without it, we might have tooth problems.Can you
guess 2.________ it is Yes, it’s the toothbrush.But do you know
anything about its history
it
what
cleaned
be
According to some research, before toothbrushes appeared, the
ancient Chinese people 3.________ their teeth with some small tree
branches (树枝).About 800 years ago, people made a kind of brushes
with pig hair and bamboo.It might 4._______ the world's earliest form
of toothbrushes.As time went 5.________, the forms of toothbrushes
changed.For example, people chose horse-tail hair instead of pig hair
by
6.________ pig hair was too hard.Imagine that you travel back to
7.________ of years ago and brush your teeth comfortably.It sounds
fantastic, doesn’t it
because
hundreds
Around the 15th century, the Chinese toothbrush found its way
into Europe.It became 8.________ among local people soon.The
9.___________ of toothbrushes was not as famous as that of
paper-making, but it was very useful in daily life.Today we have a
good 10.________ of brushing teeth.We should thank the ancient
Chinese for it.
popular
invention
habit