《When was it invented?》PPT课件22

Karl Benz invented the first car in 1885.

The first car was invented (by Karl Benz) in 1885. 

Bell invented the first telephone in 1876.

The first telephone was invented (by Bell) in 1876. 

Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4]. 

I think the TV was invented before the car. 

Well, I think the TV was invented after the car. 

... ... ...

Practicing

Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again. 

Listen and number the inventions [1-3] in the order you hear them.  

___ shoes with special heels

___ shoes with lights

___ hot ice-cream scoop, runs on electricity

Listen again and fill in the blanks. 

The first invention is shoes with ________. People always hit their toes on __________ on the way to the bathroom at night. So people can use them for ________ in the ______. 

The second invention is a special ice-cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream.    

The last invention is shoes with special  _____. People can move the heels _____ and ______. You can _____ the heels if you are going to a ______ or ______ them if you are just going out for _________.    

... ... ...

1. Well, you do seem to have a point…

have a point 有道理

e.g. I admit (that) you have a point.

我承认你有理。

2. They are used for seeing in the dark.

be used for doing sth.表示“被用来做某事”。与be used to do sth. 同义.

表示用途、目的。

e.g. This computer is used to control all the machines. 

这台电脑是用来控制所有机器的。

Do you know what this tool is used for? 

你知道这个工具是用来做什么的?

3. Think about how often it’s used in our daily lives.

think about 表示“考虑，想起”。

e.g. He is thinking about travelling in the summer holidays. 

他正在考虑暑假旅游的事。

She was thinking about her childhood days. 

她正回想她的童年时期。

... ... ...

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Revision

Check the homework. 

1. When was the car invented?

2. They are used for changing the style of the shoes. 

3. Think about how often it’s used in our daily lives. 

4. The pioneers of different inventions were listed there. 

5. It mentioned that the zipper was invented by Judson in 1893. 

... ... ...

Let some students role-play the conversation in 2d. 

Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention? 

The zipper? Is it really such a great invention?

Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere! 

Answer the questions according to the video.

1. What is the video about? 

It’s about the tea culture in China. 

2. Who is the writer of Cha Jing? 

Lu Yu. 

... ... ...

Complete the sentences with the correct forms of the verbs in the box.

invent, drink, bring, produce, trade

1. One of the world’s favorite drinks was _________ by accident. 

2. Tea was first ________ by Shen Nong 5,000 years ago. 

3. A nice smell was _________ when the tea leaves dropped into the hot water. 

4. Tea was ________ to Korea and Japan during the 6th and 7th centuries.

5. Tea is now ______ between many different countries. 

... ... ...

Exercises

选词填空。

smell, remain, ruler, boil, national

1. October 1st is ________ Day in China.

2. Humans are the _____ of the earth.

3. When fish goes bad, it ______ terrible.

4. They _________  in that forest for a year.

5. Water _____  at 100℃. 

根据汉语提示完成句子。

1. I found the key __________ (偶然) when I was cleaning the house.

2. The May 4 Movement _________ (发生) in Beijing in 1919. 

3. He’ll succeed ____________ (毫无疑问) this time.

4. ____________ (据说) Shen Nong was the first to discover tea as a drink. 

5. Tea _____________ (被带到) Korea and Japan during 6th and 7th centuries.  

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Revision

一、按要求写出下列词汇或词组

1. rule (动词) ___________

2. near (副词) _______________

3. nation (形容词)  ______________

4. 偶然；意外地 ______________

5. 发生 ______________

6. 毫无疑问；的确 ____________

7. 跌落 ____________

Check the homework

We met at the train station by accident. 

It’s believed that health is above wealth. 

I’m sorry that such an accident took place.

She is without doubt very happy now. 

The special cup is used for drinking wine. 

The boy fell into water and had to be pulled out at once. 

... ... ...

Tell something about Lu Yu and his Cha Jing.

Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.  

Tell something about how tea spread to other countries.

It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didn’t appear until around 1660. The tea trade from China to Western countries took place in the 19th century.

... ... ...

将下列句子变为被动语态。 

1. He chose six story books the other day. 

Six story books _____ _______ by him the other day.

2. Uncle Lee gave Jack a large cake for he painted the wall wonderfully. 

Jack _____ _____ a large cake for he painted the wall wonderfully.

3. A mouse ate half of the cake last night. 

Half of the cake _____ _____ by a mouse last night.

... ... ...

Homework

补全下列主动句变被动句。

1. Jenny put her clothes in the suitcase last night.Her clothes____ ____ in the suitcase last night.

2. The twins sang an English song that day. An English song ____ _____ ___ by the twins that day.

3. Did they build a bridge here a year ago? ____ a bridge ____ here by them a year ago?

4. They sold out the light green dresses yesterday.The light green dresses ____ _____ _____ out.

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The words in the box describe how food can taste. Write them under the correct pictures. Some pictures have more than one word. 

Write the name of a different food after each word.

sweet  ____________________________

crispy ____________________________

salty    ____________________________

sour    ____________________________

Listen and circle T for true or F or false.

1. Potato chips were invented by mistake. 

2. They were invented in 1863. 

3. The customer thought the potatoes were not thin enough.

4. The customer said they were not salty enough.

5. George wanted to make the customer happy.

6. The custom was happy in the end.  

... ... ...

Listen again. Complete the sentences. 

The History of Potato Chips

Do you know how potato chips were invented? Potato chips ____________ by a cook called George Crum. They were invented in ____. 

George Crum cut the potatoes really, really ____ and then cooked them for a long time until they were _____. Finally he put lots of salt on them so they were __________. 

1. Who invented basketball and how is it played? 

Basketball was invented by a Canadian doctor named James Naismith. 

Players were divided into two teams. Players 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.

2. When was the first basketball game in history played? 

On December 21, 1891. 

3. Why were the Berlin Olympics important for basketball?

Because it became an event at the Olympics.  

4. What are the professional basketball groups in America and China?

It’s NBA in America and CBA in China. 

... ... ...

1. Potato chips were invented by mistake.

by mistake  错误地；无意中

e.g. Somebody took the my umbrella by mistake.

有人错拿了我的伞。

I picked up your bag by mistake.我错拿了你的包。 

2. Dr. Naismith divided the men in his class into two teams…

divide  v.  分开；分散

divide… into… 把……分开；分散

e.g. She divided the orange into quarters and each ate a piece.

她把橙子分成四份，每人吃一份。   

... ... ...

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Review the expressions and sentences. 

1. 成为奥运会的比赛项目

become an event at the Olympics

2. 把……分开

divide …into…

3. 阻止某人做某事

stop sb. from doing sth.

4. 钦佩；仰慕  

look up to

5. 鼓励某人做某事

encourage sb. to do sth. 

6. 实现他们的梦想

achieve their dreams

... ... ...

1. Complete the passage with the correct forms of the words in the box.

invent, doubt, mention, nearly, website, all of sudden

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. 

2. 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. 

__________________________________

... ... ...

Homework

1. 试着向你的朋友用英语讲述篮球的发展过程。

2. 用下列词汇造句子。

look up to, by mistake, daily activities, It is said, all of a sudden, fall into, at the Olympics

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《When was it invented?》SectionB MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。

Ⅰ. 单词填写

1. electricity(n. )__________________

2. style(n. )__________________

3. project(n. )__________________

4. pioneer(n. )__________________

答案: 1. 电; 电能　2. 样式; 款式　3. 项目; 工程　4. 先锋; 先驱

5. list(v. )__________________

6. mention(v. )__________________

7. pleased(adj. )→ _____________(n. )高兴; 愉快

8. day(n. )→____________(adj. )每日的; 日常的

答案: 5. 列表; 列清单　6. 提到; 说到　7. pleasure　8. daily

... ... ...

1. I think the TV was invented before the car. 

______________________________________

2. Think about how often it’s used in our daily lives. 

______________________________________

答案: 1. 宾语从句是被动语态结构。是一般过去时。

2. day为名词, 意为“天”, daily为形容词, 意为“每日的; 日常的”。

课本要点点拨

1. pleasure n. 高兴; 愉快【语境领悟】

*—Can you help me think of an invention? 

——你能帮我想出一种发明吗? 

—My pleasure. 

——非常乐意。

2. I think the TV was invented before the car. 

我认为电视是在汽车之前被发明的。

【句型剖析】

句中宾语从句结构为一般过去时的被动语态。一般过去时的被动语态的结构为“was/were+及物动词的过去分词”。

*The house was built in 1967. 

这所房子是1967年建的。

*These trees were planted last year. 

这些树是去年种的。

... ... ...

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Ⅰ. 单词填写

1. 几乎; 差不多(adv. )__________________

2. 统治者; 支配者(n. )__________________ 

3. 煮沸; 烧开(v. )__________________

4. 保持不变; 剩余(v. )__________________ 

5. 气味(n. )__________________

答案: 1. nearly　2. ruler　3. boil　4. remain　5. smell

6. 翻译(v. )_________________ 

7. 锁上; 锁住(v. )_________________

8. 地震(n. )_________________

9. 突然(的)(adj. )_________________

10. accident(n. )→__________ (adj. )意外的; 偶然的

11. nation(n. )→__________ (adj. )国家的; 民族的

12. music(n. )→__________ (adj. )音乐的; 有音乐天赋的

答案: 6. translate　7. lock　8. earthquake　9. sudden

10. accidental   11. national　12. musical

... ... ...

1. 茶是偶然被发明的。

Tea__________ invented__________ __________ . 

2. 据说一位中国的统治者神农是第一个发现茶可以作为饮料喝的人。

__________ __________ __________ that a Chinese ruler called Shen Nong was the first__________ __________ tea as a drink. 

答案: 1. was; by accident　2. It is said; to discover

3. 人们相信茶在第六和第七世纪被带到了韩国和日本。

__________ __________ __________ that tea__________ __________ to Korea and Japan during the 6th and 7th centuries. 

答案: It is believed; was brought

... ... ...

【归纳拓展】 It +be +过去分词+that从句

(1)It is believed that. . . 人们认为……

(2)It is supposed that. . . 据猜测……

(3)It is reported that. . . 据报道……

(4)It’s known that. . . 众所周知……

【观察领悟】观察下列句子, 思考一般过去时的被动语态的用法。

①The computer was invented in 1976. 

②The computer wasn’t invented in 1876. 

③Was the computer invented in 1976? 

④When was the computer invented? 

⑤Who was the computer invented by? 

... ... ...

一、一般过去时的被动语态

1. 构成: 主语+was/were +及物动词的过去分词。

2. 各种句式: 

①肯定句: 主语+ was/were +及物动词的过去分词+其他。

②否定句: 主语+ was/were + not+及物动词的过去分词+其他。

③一般疑问句: Was/Were +主语+及物动词的过去分词+其他? 

④特殊疑问句: 特殊疑问词+一般疑问句式? 

二、使用被动语态应注意的几个问题

1. 不及物动词无被动语态。

What will happen in 100 years? 100年后将会发生什么事? 

2. 有些动词用主动形式表示被动意义。

①This pen writes well. 这支钢笔好用。

②This new book sells well. 这本新书很畅销。

... ... ...

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《When was it invented?》SectionB MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。

Lead in 

Talk about the inventions(发明).

Which one do you think is the most helpful in our daily life?

Role-play the conversation. 

Read the passage quickly and answer the questions.

1. What is the subject for their school project? 

2. What  kind of invention does Roy think of?

3. Why does Roy think  it is a great invention? 

4. Who and when was the zipper invented? 

5. When did the zipper become popular? 

... ... ...

Complete the sentences with the correct forms of the verbs in the box. 

invent,  drink,  bring,  produce,  trade

1.One of the world’s favorite drinks was________ by accident.

2.Tea was first ________ by Shen Nong 5,000 years ago.  

3.A nice smell was _________ when the tea leaves dropped into the hot water. 

4. Tea was__________ to Korea and Japan during the 6th and 7th centuries. 

5.Tea is now ________ between many different countries. 

... ... ...

The simple past passive voice

一般过去时被动语态

一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的执行者。 

被动语态的构成:

助动词was/were+ (及物动词的) 过去分词 

was (were) + done

用所给动词的正确形式填空：

1. The bike __________(fix) up by Xiaoming yesterday.

2. Shields ________ (use)  for protecting people’s body in the past.

3. Last year, a picture _________(put) up on the  blackboard.

4. She said French______________ (speak) in France.

5. Teenagers _______________(allow) to  choose their own clothes two years ago.

... ... ...

Homework

Suppose you are alone on a tiny island. What inventions would you like to have on the island with you? Write a short passage.

《When was it invented?》SectionD MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。

《When was it invented?》SectionC MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。

《When was it invented?》SectionB MP3音频课件 文件内包含本课教学使用的MP3音频文件，非常适用于本课教学。