课件18张PPT。When was it invented?Unit 6第五课时：Section B
(3a-Self Check) 同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！Discuss about what you want to invent and why. Think of something that you do not like to do. Then think of an invention that could help you. Make notes.3aProblem：_______________________________
New invention：__________________________
What it is used for：_______________________quickly taking notes in classa special pencorrecting mistakesImagine you are a business person. Write a description of your new invention. Try to sell the invention to the class. 3bThis special pen was invented by Liu Jie. It has three colors and is used for...eg：This special pen was invented by Liu Jie. It has three colors and is used for taking notes and correcting mistakes. It is very cheap. It is easy to take. It is made of plastic so it's not heavy. Do you want to buy it? Self Check 1Complete the passage with the correct forms of the words in the box. invent doubt mention website
all of a suddenIt is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ________ things which are almost theinvent same. It’s hard to tell who came up with the idea first.
Some inventions can also lead to other inventions
____________.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.all of a sudden doubt websites mention invent doubt mention website
all of a sudden This is because... 这是因为…… 考向系动词之后是表语，表语是由一个句子充
当的，即称为表语从句，连接表语从句的
词有：because，why，that，what，who，
when，where，which，whether，how等。知识点eg：All the cars are going slowly. This is because
there is a thick fog.
所有的车都开得很慢，这是因为有浓雾。
His bike was broken. That is why he came to
school on foot.他的自行车坏了。那就是他
步行来学校的原因。典例You have spent too much time playing computer games. That’s________ your eyes hurt. (潍坊)
A．why B．how
C．what D．when【点拨】句意：你花费了太多的时间玩电子游戏，那就是你眼睛疼的原因。That’s why...那是……的原因。 ASelf Check 2Rewrite 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?
_____________________________________________My watch was stolen by someone. Five eggs were used to make this big cake by them. When was the personal computer invented by them? 4．They asked us not to run in the hallway.
_______________________________________________
5．Someone took the video back to the store.
_______________________________________________We were asked not to run in the hallway by them. The video was taken back to the store by someone. Self Check 3Find out information about an invention you would like to know more about and write sentences below. Invention：_______________________________
When：_________________________________
Who：___________________________________
Purpose：________________________________ Bell Telephone 1876 To communicate with others 一、完成句子
1．他考虑过去法国，但最终决定去加拿大。
He thought about going to France, but ________ ________ going to Canada finally.
2．一些人怀疑他是否在音乐上有天赋。
Some people ________ _________he has talent in music.
3．谁想出来那个主意的？
Who________ ______ ______ the idea?
4．很多商店要求顾客不要使用塑料袋。
Customers______ ________ ________ ______
use plastic bags in many shops.decided ondoubt whether came up withare asked not to5．所有这一切发生得太突然了。
All these things happened______ _______ ______ _______. enjoyed all of a sudden二、综合填空
Basketball is a much-loved and active sport that is ________6 by many people for fun and ________7. It is played by more than 100 million people. In 1936 in Berlin，basketball became an event at the Olympics.
Basketball was ________8 by a Canadian doctor. When he was a college teacher，he ________9a game to be played
indoors. Players need to be ________10 into two teams. enjoy, invent，achieve，create，popular,
look up to，not only，hero，divide, pleasantpleasureinventedcreateddividedPlayers on the same team must work together to get the ball in the other team's basket. At the same time，they need to stop the competing team from getting the ball into their own basket.
Now, the __________11 of basketball has risen. Basketball has ________12 become a sport to play，but it has also become a sport to watch. There are more and more foreign players in the NBA and the CBA.Many young people dream of becoming famous players. Some even_________13 those basketball players. They regard them as ________14. Those basketball stars encourage young people to work hard to ________15 their dreams.enjoy, invent，achieve，create，popular,
look up to，not only，hero，divide, pleasantnot onlylook up toheroesachievepopularity 本节课主要学习掌握了如何写有关自己的发明物的作文，做了Self Check部分的练习题并掌握了知识点This is because…的用法。课后作业A课后作业B1.熟记本课时的词汇
2.完成本课时的课后作业课件9张PPT。 单元主题阅读与写作When was it invented? Unit 6 随着科技的不断发展，许多新的发明涌现出来。这些
发明给我们的生活带来了极大的便利，有的甚至改变了世界。 单元主题阅读与写作佳篇品读 The mobile phone is my favorite invention. The first mobile phone was invented for US Army in 1938 in America. Until 1973, Martin Cooper from Motorola Company invented the first mobile phone for civil use. Since then, the world has been changed because of the useful invention.
As we all know, mobile phones are being more and more widely used in our daily life. They are used in many ways. First, they offer fast and convenient service for communication. They are used for calling. We can talk with our friends or parents for a long time. And they are becoming smaller and lighter. It's quite easy for us to carry them everywhere. They can also be used for sending short messages to show our feelings to our friends. What's more, we can surf the Internet on mobile phones. That helps us open up our eyes to the outside world. And when we are tired，we can listen to music to relax ourselves. Our life becomes more colorful because of the invention of the mobile phone.
There is no doubt that the mobile phone plays an important part in our daily life.根据短文内容，完成表格内容。The mobile phone1938Americacommunication/callingsending short messages一、综合上面阅读材料，请你思考：
根据上文不难发现，在介绍发明的信息时经常要用被动语态。在介绍发明的历史(即发明者、发明时间和发明地点)的时候通常用_________时态的被动语态。在介绍发明的用途时，通常使用“_______________________”句式。写作指导一般过去be used for doing sth.二、用所给单词的适当形式填空。
1.The tea, one of the most famous drinks _____________ (discover)
by accident.
2.According to the Chinese history, Cha Jing __________ (write)
by Lu Yu, “the saint of tea”， during the Tang Dynasty.
3.Abacus ___________(create) in China in the sixth century by
a Chinese man.
4.Basketball _____________(invent) by a Canadian doctor in the
19th century.
5.It is believed that the first ice-cream ______________ (introduce)
to Italy by Marco Polo in the 1500s.
6. In ancient China, sky lanterns _________(send) out to ask for
help when people in trouble.was discoveredwas writtenwas createdwas inventedwas introducedwere sent请根据下面信息提示，写一篇80词左右的短文，介绍一下计算机的发展历程及计算机带给我们的变化。
1．最初的现代计算机发明于1946年，像一座大房子一样，
重约30吨。
2．现代的计算机又小又便宜，而且被广泛应用于我们的
日常生活中。
3．计算机在我们的日常生活中变得越来越重要。_______________________________________________ ______________________________________________
_______________________________________________写作实践思路构建自我展示___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________ ___________________________________________________ ___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
The computer was invented in 1946.At that time，it was huge and it was as large as a big house.It weighed about 30 tons.
But now the computer is smaller and cheaper.It is a very useful tool in our life.We can use computers to send some messages to foreign friends by e-mail.We can read news on the computer.We can also listen to music or play games on the computer.It makes us relaxed.
The computer is becoming more and more important in our daily life.In my opinion，it will change our life completely in the near future.Unit 6 第5课时
一、语法整合真题练
1．She ________ to give a talk about how to save water yesterday.
A．invite B．invited C．is invited D．was invited
2．A bridge ________ over the river last year.
A．builds B．built C．was built D．is built
3．—Wow! You have a ticket to Xinjiang!
—It ________ by my uncle. He is working in Xinjiang.
A．is bought B．was bought
C．has bought D. had bought
4．所有这些旧房子将在三个月后拆除。(pull)
All these old houses ________ ________ ________ ________ in three
months.
5．你知道火车是什么时候发明的吗？
_________________________________________________________
二、高频考点真题练
6．—So kind of you to give me a ride to the station.
—________
A．Never mind. B．My pleasure.
C．It doesn't matter. D．Glad you like it.
7．According to a recent survey, ________ three fifths of working
mothers in China don't want to have a second child.
A．mostly B．especially
C．partly D．nearly
8．At school, we are taught ________ knowledge ________ how to
behave well.
A．neither; nor B．either; or
C．not only; but also D．not; but
9．You are supposed to be more careful to make fewer ________ while
you are writing.
A．trouble B．matter C．mistakes D．problems
10．Their football team was ________ in that important game.
A．won B．beaten C．failed
11．Among all the cinemas, Movie World sells the tickets at the ________
(low) price.
12．Firefighters wear special coats and helmets(头盔) to p________
themselves from heat and falling ceilings.
13．The price of the coat is very h________. I can't afford it.
14．Her paintings do not look like they were drawn by ________ (某人)
who used her mouth.
15．Gradually, my daughter ____________ (push) higher and higher by
me.
答案
一、1.D 2.C 3.B
4．will be pulled down
5．Do you know when the train was invented?
二、6.B 点拨：语境提示法。根据语境“你载我到车站你真是太好了”可知后者应该回答My pleasure (别客气)。
7．D 8.C 9.C 10.B
11．lowest 点拨：语境暗示法。low是形容词，修饰票价，又由语境“所有的电影院中”这个比较范围可知要用最高级lowest，由此得到答案。
12．protect 13.high 14.someone/somebody 15.was pushed
Unit 6 第5课时
Ⅰ.用所给单词的适当形式填空。
1．At last, they decided on ________ (go) there themselves.
2．Mom couldn't stand the mess in my room, so she asked me
________(clean) it right now.
3．He took an active part in all kinds of activities,
________(include) tennis, swimming, running and so on.
4．In class, we are often ________(divide) into five groups to
practice spoken English.
5．It is ________(say) that some people were injured in that
accident.
Ⅱ.单项选择。
6． According to a recent survey, ______ three fifths of working
mothers in China don't want to have a second child.
A．mostly B．especially
C．partly D．nearly
7．I don't like the lemon.It tastes too ______.
A．crispy B．sour C．sweet D．salty
8．Do you know who ______ the first plane in 1903?
A．found B．discovered
C．invented D．created
9．He thinks himself ______， but we think him nobody.
A．nobody B．anybody
C．somebody D．everybody
10．All the students were asked ______ a questionnaire.
A．completing B．completed
C．completes D．to complete
Ⅲ.根据汉语提示填短语。
11．No changes ________ ________(发生) in our school last year.
12．He found his lost son ________ ________(意外地)．
13．The boy ________ ________ ________(仰慕) the young hero.
14．________ ________ ________(……的数量) the teachers in
this school is about 100.
15．Once they find people in need, they ________ ________(决定)
suitable ways to help them out.
Ⅳ.任务型阅读。
The Barbie doll was first made in 1959 by Ruth Handle.(16)________ One day when Ruth saw her daughter playing with a paper doll，she decided to invent a new plastic doll and name it after her daughter Barbara.
Ruth said that she created the Barbie because she believed that little girls needed dolls.As she once said, “(17)________”
The Barbie was a fashion doll unlike any of her time.(18)________．Soon，girls thought the Barbie as a good role model.The Barbie first appeared at the 1959 US Toy Fair，but received a cool reception from toy buyers.
(19)________The Barbie doll，which was originally blonde-haired and blue-eyed，now，comes in about 80 different kinds. (20)________ More than 900 million Barbie dolls have been sold since it appeared!
A．Through this doll，little girls can be everything they want to be.
B．Girls love Barbie dolls.
C．Ruth got the idea of making plastic dolls from her daughter.
D．She was long-limbed，shapely and beautiful.
E．The Barbie has experienced a lot of changes over the years.
答案
Ⅰ、1.going 2.to clean 3.including 4.divided 5.said
Ⅱ、6.D 7.B 8.C 9.C 10.D
Ⅲ、11.took place 12.by accident 13.looks up to
14．The number of 15.decide on
Ⅳ、16～20：CADEB
