Unit 4 Topic 1 Section A 课件 初中英语仁爱版九年级上册（2021年）.pptx

Unit 4 Amazing Science

Topic 1 When was it invented ?

Section A;Nowadays, many high-tech（高科技） products were invented by people.;spaceship /?spe?s??p/

n. 宇宙飞船;These things are made of metal.;be made in 在某地/某时制造

be made by sb. 由某人制造

be made into 被制成;A: What’s the paper made from?

B: It’s made from wood.

A: What’s it used for?

B: It’s used for writing on.;一般过去时的被动语态

结构:助动词(was/were)+Vpp.

1.肯定句式 ：主语+was /were+Vpp.

2.否定句式 ：主语+was/were + not+Vpp.

3.一般疑问句式： Was /Were+主语+Vpp.

4.特殊疑问句式：疑问词W/H+was/were+主语+Vpp.

E.g. An e-mail was sent to her friend by Jane yesterday.

An e-mail wasn’t sent to her friend by Jane yesterday.

Was an e-mail sent to her friend by Jane yesterday?

Who was the e-mail sent to by Jane yesterday?;computer desk /wood;New words:

rocket /?r?k?t/ n. 火箭

metal /?metl/ n. 金属