人教新目标版英语九年级全册Unit 13 We are trying to save the earth Section B 3a-Self Check课件

Unit 13 We are trying to save the earth!

词句精讲精

词汇精讲

1. advantage

advantage是名词，意为“优点；好处；有利条件 ”。例如：

This bicycle has many advantages. 这辆自行车有许多优点。

Studying English has many advantages. 学习英语有许多好处。

【拓展】

disadvantage是advantage的反义词，意为“缺点；弊端；不利条件”。例如：

When you visit France, it is a disadvantage if you cannot speak French.

当你访问法国时，如果你不会讲法语，那可是个不利条件。

2. instead of

instead of是介词短语，意为“代替，而不是”，后面可以跟与前面并列成分相应的名词、代词、动词-ing形式等作为介词宾语。例如：

He went to the cinema instead of going to school. 他去了电影院而不是学校。

【拓展】

(1) instead作副词，意为“代替，而不是”，常用作状语。例如：

He is tired. Let me go instead. 他累了，让我替他去吧。

She never studies. Instead, she plays tennis all day. 她从不学习，而是整天打网球。

(2)instead和instead of的辨析：

instead是副词，后面不接其他的词，一般情况下可不译出，通常放在句首或句末，在句首时常用逗号隔开，表示前面的事没做，而做了后面的事。例如：

He didn’t go to school. Instead, he went to the cinema. 他没有去学校，相反他去了电影院。

九年级英语全册知识点Unit13 We are trying to

九年级英语全册知识点Unit13 We are trying to

九年级英语全册知识点Unit13

We are trying to save the earth!

Section A

1.play a part in

+n./pron./v­ing

eg：I want to play a part in saving the earth.

2.cut down

动副短语

cut短语

cut in 插嘴

cut off 切断

cut up 切碎

cut out 删除

3.advantage

可数名词

have the advantage of

有……的有利条件

be to... advantage

对……有利

4.make a difference

起作用；有影响

make a difference （to...）

（对……）产生影响或作用

5.not only...but also...

不但……而且……

连接两个对等的成分，also 可以省略

eg: I not only play tennis but (also) practise shooting

eg: Not only Mr. Li but （also）his son loves the movie.

连接两个主语时，就近原则

eg:Not only does Miss Li like music, but (also) she likes sports

6.harmful

do harm to

对……造成伤害

eg: Smoking will do harm to your health.

be harmful to

对…… 有害

eg: Don’t read in the sun. It is harmful to your eyes

Unit13 We're trying to save the earth

一、单项选择（共15小题；共15分）

1. Look! Jack and his monkey flying disk together in the

garden.

A. is playing B. was playing C. are playing D. were playing

2. --- Do you know the boy over there?

--- Sure. I him for two years.

A. will know B. knew C. known D. have known

3. --- How often your school sports

meeting ?

--- Every two years.

A. were; held B. are; held C. was; held D. is; held

4. --- "Frog", Mo Yan's latest novel, please!

--- Sorry, it just now. But it will come out again soon.

A. sold out B. is sold out C. has sold out D. was sold out

5.

Zhang Jing used to . But now she is much taller.

A. short B. is short C. be short D. was short

6.

There will be an important test tomorrow morning. You be

1 Unit13 We're trying to save the earth

一、单项选择

1. --- May I borrow your CD player?

--- Sorry, I it myself.

A. am using B. used C. have used D. use

2.

Miss Lin a lot of work for the poor area since 2010.

A. does B. did C. has done D. will do

3. The club by a group of teenagers.

A. organize B. organized C. is organized D. are organized

4. --- "Frog", Mo Yan's latest novel, please!

--- Sorry, it just now. But it will come out again soon.

A. sold out B. is sold out C. has sold out D. was sold out

5.

Yao Ming used basketball in NBA.

A. play B. to play C. playing D. played

6. --- Must I hand in my homework now?

--- No, you . You can do it tomorrow.

A. mustn't B. don't have to C. shouldn't D. can't