Unit 6When was it invented Section B3a-Self Check 课件(共40张PPT)

(共40张PPT)
Section B
3a-Self Check
Think of something that you do not like
to do. Then think of an invention that
could help you. Make notes.
Problem: _______________________
New invention: __________________
What it is used for: ______________
quickly taking notes in class
a special pen
3a
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
This special pen was invented by Liu Jie. It has three colors and is used for …
3b
1. for fun为了好玩
She wrote for fun for many years before starting to write seriously for a living.
在她开始正正经经地为谋生而写作之前，许多年她以写作自娱。
I am not saying it for fun.
我说这话并不是在开玩笑。
Language Points
have fun 玩得高兴,过得快活
I had great fun playing cards with them.
我和他们玩纸牌非常有趣。
make fun of开玩笑
People make fun of her because she wears such a strange hat.
人们取笑她,因为她戴了一顶那么怪的帽子。
知识链接
2. It is believed that … 意为“人们认为……”，其中it是形式主语，真正的主语是that引导的从句，相当于相当于People believe that …。
It is believed that health is above wealth.
人们都相信健康重于财富。
类似的句型还有：
It is said that … (据说……)
It is supposed that … (据猜测……)
It is reported that … (据报道……)
It's said that his son will go abroad next month.
＝People say that his son will go abroad next month.
据说，他儿子下个月要出国。
It is _______ that some of the Australians are suffering from water flood while some people in Europe are suffering from snowstorm.
A. report B. reporting
C. reported D. reports
【点拨】选 C。It is reported that … 意为“据报道……”。故选C。
3. … divided the men in his class into two teams and …
divide v. 分开，分散
The river divides and forms two streams.
河流在这儿分开,形成两条小河。
Please don't let such a small matter divide us.
请不要让这样的小事使我们不和。
divide … into 把……分成
Divide the cake into equal parts.
把蛋糕分成等份。
1) 根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
A year ___________ (divide) into twelve different star signs in some Western countries.
2) 【山东济宁】单词拼写与运用
The class is too large; we’ll have to d_________ it into eight groups.
is divided
divided
4. …, they need to stop the competing team from getting the ball into their own basket.
stop … from doing 意思是“阻止某人做某事 ”
I tried to stop my father from smoking, but failed.
我想阻止我爸抽烟，但没成功。
Nothing can stop us from doing that.
没有什么能阻止我们那样做。
(重庆中考) During the Spring Festival, the heavy snow stopped many people from _____ back
home.
A. go B. goes
C. went D. going
【解析】stop sb. from doing sth.表示“阻止某人做某事”。
D
stop doing sth.是“停止做某事”，v-ing形式是stop的宾语，指停止正在进行的事。
The two girls stopped talking when they saw me.
那两个女孩一见到我就停止了讲话。
stop to do sth.是“停下来去做某事”，动词不定式作目的状语。
The two girls stopped to talk to me when they saw me.
这两个女孩一看到我就停下来和我讲我。
知识链接
5. …, with many young people dreaming of becoming famous players.
这是“with+名词+分词”的结构，作伴随状语
She fell asleep with the light burning.
她点着灯睡着了。
With the crowds cheering, they drove to the palace.
在人群的欢呼声中，他们驱车来到皇宫。
6. … see people playing basketball in parks, …
see sb. doing sth.是指“看见某人正在做某事”，不是全过程，表正在进行。
I saw her cleaning the classroom.
我看到她正在扫打教室。
see sb. do sth. 是指“看见某人做过某事”, 是看着事情发生的全过程
I saw her clean the classroom.
我看到她打扫教室了。
像see 这样的感官动词还有hear, feel, watch, notice (注意到), 都可以跟do 或doing分别表不同的意思 。
I heard him play the piano.
我听到他弹钢琴了。
I heard him playing the piano.
我听到他正在弹钢琴。
知识链接
When I passed his room, I heard him _________ (sing) songs.
I hear someone ________ at the door. Please go and see who ________ is.
(黑龙江)
　A. knock; it B. knocking; it
C. knocking; he D. knock; he
singing
A
7. Basketball has not only become a popular sport to play, but it has also become a popular sport to watch.
not only … but also 不但…而且…
not only … but also 应连接两个相对称的并列成分
Not only you but also he has to leave.
（连接两个主语）
说明：若连接两个成分作主语，其谓语通常与靠近的主语保持一致。
I not only play tennis but also practise shooting.
（连接两个谓语动词）
He plays not only the piano but also the violin.
（连接两个宾语）
They speak English not only in class but also in the dormitory.
（连接两个地点状语）
他不仅平时工作，星期日也工作。
我们不但饿了，而且也累了。
我们不仅冬天去那儿，而且夏天也去。
He works not only on weekdays but on Sundays.
We were not only hungry but also tired.
We go there not only in winter but also in summer.
8. The number of foreign players, including Chinese players, in the NBA has increased.
the number of表示“……的数量”，跟复数名词连用作主语时，谓语动词要用单数。
The number of students in our class is 50.
我们班学生的数量是50人。
The number of people who are ill is five.
生病的人数是 5 个。
(江苏盐城) Now the number of Chinese people working in Africa _______ more than one million.
A. is B. are C. was D. were
2) (哈尔滨) --- What _______ the number of the girls in your class
--- About twenty.
A. is B. am C. are D. be
A
A
a number of 意思是“许多；大量的”, 后接复数名词, 谓语通复数。
A number of students were absent from the meeting.
许多学生没有到会。
A number of us students are from south.
我的学生中许多人来自南方。
知识链接
1) The number of ____ in our class ____ fifty.
A. student; is B. the students; are
C. the students; is D. students; are
2) In our school library there _____ a number
of books on science and the number of them
_____ growing larger and larger.
A. is; are B. are; is
C. has; is D. have; are
C
B
9. Many young people look up to these basketball heroes ...
look up to本意是“仰着头看”，可引申为“钦佩；仰慕；尊敬； 敬仰”
The girl was so short that she had to look up to her sister.
小女孩个子太矮，只好仰着头看她的姐姐。
The children all look up to the baseball player.
这些孩子都很敬仰那名棒球运动员。
look forward to 展望(期待)…
look up 查阅; 好转; 仰视; 看望
look for 寻找; 寻求; 期待
look into 调查; 看看; 浏览
look at 看着…
look over 检查; 查看; 调查
look out 留神; 注意
look after 照料; 看管; 目送
look through 看穿; 审核; 浏览; 温习
look like 看上去像
look around 环视; 东张西望look back 回顾; 回头看
--- Shall we call for a taxi
--- OK. Let me _______ the phone number in the Yellow Pages. (2004年上海中考)
　　A. look at B. look for 　
C. look up 　 D. look after
C
— Where's my music disc I can't see it!
— You'd better ______ the disc carefully in your bedroom. (2011成都中考)
A. look up B. look through
C. look for
He is a model for us young people．We all ______ him very much．
A. look up to B. look up
C. look at D. look after
C
A
Self Check
It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ things which are _______ the same. It’s hard to tell who came up with the idea first. Some inventions can also lead to other inventions ____________.
1 complete the passage with the correct
forms of the words in the box.
invent doubt mention
Nearly website all of a sudden
invent
nearly
all of sudden
So some people ______ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _________ usually ________ more than one inventor when giving information about inventions.
doubt
websites
mention
Rewrite these sentences using the passive voice.
1. Someone stole my watch.
_____________________________________
2. They used five eggs to make this big cake.
______________________________________
3. When did they invent the personal computer
______________________________________
4. They asked us not to run in the hallway.
______________________________________
5. Someone took the video back to the store.
______________________________________
My watch was stolen by someone.
Five eggs were used to make this big cake.
When was the personal computer invented
We were asked not to run in the hallway.
We were asked not to run in the hallway.
3 Find out information about an invention you would like to know more and write sentences below.
Invention: _____________
When: ________________
Who: _________________
Purpose: ______________
二、单项选择
1.My mother told me that my homework
must ____ on time. A. finish B. be finish C. be finished　 D. finished
2.The number of teachers in our school ____ 60
and a number of them ____ male teachers.
A. is; are B. are; is
C. am; are D. be; are
C
A
3.If it ____ tomorrow, we ____ go to the park. A. rains; won’t B. will rain; won’t C. rains; don’t D. will rain; will do
4. All the books will ____ to the children who
live in the small village.
A. be sent B. sent　
C. be send　 D. send
5.—Do you know the lady____ is interviewing
our headmaster —Yes, she is a journalist from CCTV. A. which B. who　 C. whom　 D. whose
A
A
B
三、根据中文提示完成句子。
1.There were many famous _________ (发明) in ancient China, and paper was one of them.
2.I don’t like this kind of potato chips because they are not _______ (脆的).
3.Silk is _________ (生产) in Hangzhou.
4.The conductor kept ________ (提供) us hot water on the train.
inventions
crispy
produced
offer
Review what you have learned in this
unit and preview what you will learn
in next unit.
Homework