2. 哈尔滨市阿城区杨树民主学校 魏培培 李培良 Unit 4 Amazing Science Topic 2 Topic 2 When was it invented?

3. 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. Look and learn.

4. A: How do you say this in English ? B: It’s a piece of paper. A: What’s it made from ? B: It’s made from wood. A: What’s it used for? B: It’s used for writing on.

5. be made of 由某种物质做成 ( 看得出原材料，物理过程 ) be made from 由某种物质制成 ( 看不出原材料，化学过程 ) be made up of 由几部分组成 be made in 在某地 / 某时制造 be made by 由某人制造 be made into 被制成 be used for 被用来做 be used to do 被用来做 be used as 被用作 used to do sth. 过去常做 be used to doing sth. 习惯于做 1 2 3 4

6. toothbrush/plastic /brush teeth red wine/grapes /drink Follow the examples to make similar conversations.

7. ruler /steel/measure towel/cotton/clean faces sweater/cotton/keep warm

8. lift/iron/ go up and down ink/carbon/ write in bed/iron/sleep

9. A. What’s it made of? B. It’s made of wood. A. Do you know what it is used for? B. It’s used for sending satellites or spaceships into space. Wow !A model rocket ! Look,listen and answer. （录音）

10. I am not allowed to play computer games. allow v. 允许 1. allow sb. to do sth. 允许某人做某事 2. allow doing sth. 允许做某事 3. be allowed to do sth. 被允许做某事

11. It’s bad for your health if you spend too much time on them. headache too tired sore eyes

12. 1.I wish I could go into space some day. some day--------- 某一天, 总有一天 ( 将来 ) e.g. I wish I could have my own house some day. 2.I hope your dream will come true. come true-------- 变成真的, 实现 realize/achieve-------make sth. come true

13. Invention Time Place Use When was it developed? Where was it developed? Listen and finish the table. MP3 player Around 1998 Korea Improve our English （录音）

14. 聚焦一般过去时的被动语态 结构 : 助动词 be+ 及物动词的过去分词 1. 肯定句式 ：主语 +was /were+vt.-ed 2. 否定句式 ：主语 +was/were + not+vt.-ed 3. 一般疑问句式： Was /Were+ 主语 +vt.-ed 4. 特殊疑问句式：疑问词 W/H+was/were+subject+vt.-ed Let’s sum up together.

15. InventionTimeCountry Use Digital camera( ) 1975Americatake photos Computer ( ) 1946Americahelp to work and study Cellphone ( ) 1973Americacommunicate Match the pictures with their inventions. 2 1 3 3 1 2 Then make conversations similar to 2a.

16. Make up dialogs according to the form. A: What are you doing? B: I am … A: What’s this? B: It’s a (an)… A: What’s it used for? B: It’s used for… A: When was it developed? B: It was developed in … A: Where was it developed? B: It was developed in … For example:

17. 走进艺术天地 Into the art badge, remember, iron medal, reward, gold artwork---painted egg coin, silver mug, glass

18. 铜爵 Bronze jue, copper porcelain, china bridge, iceroot carving, root/wood

19. ( )1.He ___play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to ( )2.We all know that paper ___wood. A. is made of B. is made into C. is made from ( )3.This kind of machine ___in 2006. A. is invented B. is made C. was invented ( )4.A(An)___is used for taking photos. A.Camera B. Lift C. MP3 player ( )5.We should spend more time ___because it’s too important. A.to learn English B. learning English C. in English B C C A B I.Choose the right answers. You can do it.

20. Ⅱ.Change the following sentences. 1.My mother allows me to use her cellphone.( 改为被动语态 ) I ___ ___ ___ use my mother’s cellphone. 2.A rocket is used for launching satellites and spaceships. ( 就画线部分提问 ) ____ ___ a rocket ___ ___? 3.The digital camera was invented in 1975. ( 就划线部分提问 ) ____ ____ the digital camera ______ ? 4. Maybe he is an inventor. ( 改为同义句 ) He ____ ____ an inventor. 5.What’s this in English? ( 改为同义句 ) ____ ____ you ____ ____ in English? am allowed to What is used for When was invented may be How dosay this

21. Ⅲ. Fill in the blanks with the right prepositions. 1.The desk is made _____ wood. 2.The red wine is made _____ grapes. 3.This delicious cake was made ___my mother. 4.Glasses is made ___ glass. 5.Our group is made up ___ four students. 6.That kind of machine is made _ _____Japan. of from of by in

22. Homework: Write a short passage about one of your favourite inventions.

23. （歌曲）