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Unit 4 Topic 2Unit 4 Topic 2When was it When was it developed?developed?

Section A

执教人： Wei Shiliang

一、一、 Teaching aims and demonds:Teaching aims and demonds: 1.Learn the simple passive voice.1.Learn the simple passive voice. (1)Learn the differences between“be made of” and“be made fro(1)Learn the differences between“be made of” and“be made fro

m”.m”. (2)Learn the sentence pattern“When/where was it developed?”(2)Learn the sentence pattern“When/where was it developed?”

2.Learn to express hope and wishes.2.Learn to express hope and wishes.

3.Talk about new teachnologies and inventions.3.Talk about new teachnologies and inventions.二、二、 Important Important &different points:&different points: (1) The simple passive voice;(1) The simple passive voice; (2) Useful experssions: be made of ; be made from;(2) Useful experssions: be made of ; be made from; be used for + doin etcbe used for + doin etc

Topic 2 When was it developed ?Topic 2 When was it developed ? Section A Section A

1 1 Be made of Be made of 由……制成 由……制成 （可以看 （可以看到原材料，既物理变化）到原材料，既物理变化）eg:The knives eg:The knives are made ofare made of iron. iron.

22 Be made form Be made form 由……制成 由……制成 （看不到原材 料， 既化学变 （看不到原材 料， 既化学变化）化）

eg:The red wine eg:The red wine is made fromis made from grapes. grapes.

3 Be used for 3 Be used for （ （ + n / ving+ n / ving ）） 被用做……被用做……eg:Pens are used for eg:Pens are used for writingwriting

知识拓展：知识拓展： 〖〖 be made in be made in 在…制造 在…制造

be made up of be made up of 由…组成由…组成

be made into be made into 把…制成… 〖 把…制成… 〖 bbe used as e used as 被做为…用被做为…用

be used to do sth be used to do sth 被用做去做某事被用做去做某事

A:What’s this in English?B: It’s a computer desk.

A: What’s it made of?

B: It’s made of wood.A: What’s it used for?

B: It’s used for holding a computer .

computer desk/wood

A: How do you say this in En

glish?

B: It’s a piece of paper.

A: What’s it made fro

m?

B: It’s made fro

m wood.

A: What’s it used for?

B: It’s used for writin

g on.

Paper/wood

red wine /grapes

A:What’s this in English?B:It’s a bottle of red wine.A:What’s it made of ?B:It’s made of grapes.A:What’s it used for?B:It’s used for drinking .

red wine /grapes

toothbrush /plastic

A:How do you say these in English?B:They’re toothbrushes.A:What are they made of ?B:They are made of plastic.A:What are they used for?B:They are used for washing teeth.

toothbrush /plastic

towel/cotton

A:What’s this in English?B:It’s a piece of towel.A:What’s it made of ?B:It’s made of cotton.A:What’s it used for?B:It’s used for washing faces.

towel/cotton

ruler/steel

A:How do you say this in English?B:It’s a ruler.A:What’s it made of ?B:It’s made of steel.A:What’s it used for?B:It’s used for drawinging a line.

ruler/steel

lift/iron

A:What’s this in English?B:It’s a lift.A:What’s it made of ?B:It’s made of iron.A:What’s it used for?B:It’s used for going upstairs.

lift/iron

ink/carbon

A:How do you say this in English?B:It’s a bottle of ink.A:What’s it made of ?B:It’s made of carbon.A:What’s it used for?B:It’s used for writing.

ink/carbon

2a Look ,listen and say2a Look ,listen and say

digital camera

MP3 player

mobile phonecomputer

2b Pair work

1

3 4

2

Invention Time Country Use

( ) digital camera 1957 America take photos

( ) computer 1946 America help to work and study

( ) mobile phone 1973 America communicate easily

( ) MP3 player 1998 Korea listen to music

Match the pictures.2b

1 2

3 4

Invention Time Country Use

( ) digital camera 1957 America take photos

( ) computer 1946 America help to work and study

( ) mobile phone 1973 America communicate easily

( ) MP3 player 1998 Korea listen to music

Match the pictures.

1

23 4

1

23 4

2b

Invention Time Country Use

(4)digital camera 1957 America take photos

(1)Computer 1946 America help to work and study

(2)mobile phone 1973 America communicate easily

(3)MP3 player 1998 Korea listen to music

Make similar dialogs

A: When was it developed?B: It was developed in….B: Where was it developed?C: It was developed in….C: What’s it used for?D: It’s used for ….D:………A:………

1

4

3

2

2b

Choose the right answer:Choose the right answer:

( )1.That’s a nice watch! Is it made___China? ( )1.That’s a nice watch! Is it made___China? A.in B.from C.of D.intoA.in B.from C.of D.into( )2.-IS white desk made___ wood?( )2.-IS white desk made___ wood? A.in B.of C.from D.intoA.in B.of C.from D.into( )3.Was the paper made___ wood?( )3.Was the paper made___ wood? A.of B.from C. by D.inA.of B.from C. by D.in( )4.Computer is known___ a great invention all over the word.( )4.Computer is known___ a great invention all over the word. A.for B. as C.by D. toA.for B. as C.by D. to( )5.We went to the country__a very cold morning. ( )5.We went to the country__a very cold morning. A.at B.in C. on D.ofA.at B.in C. on D.of( )6.She’ll call me as soon as she___in Beijing.( )6.She’ll call me as soon as she___in Beijing. A. arrives B.will arive C.would arive D.arivedA. arrives B.will arive C.would arive D.arived( )7.Computers can be used___ many field.( )7.Computers can be used___ many field. A.in B.for C.by D.asA.in B.for C.by D.as( )8.Please speak clearly to make yourself ___.( )8.Please speak clearly to make yourself ___. A.understand B.to understand C.understood D.undeerstandingA.understand B.to understand C.understood D.undeerstanding( )9. MP3 is used ___ listening to musick.( )9. MP3 is used ___ listening to musick. A.to B. for C. by D.asA.to B. for C. by D.as( )10. CD is ___than a recorder.( )10. CD is ___than a recorder. A.useful B. usefuler C. more useful D. the most usefulA.useful B. usefuler C. more useful D. the most useful

A

B

BB

C

A

A

C

B

C