九年级英语上册第二单元知识点(新版)仁爱版

Unit 2 Topic1 Pollution has caused too many problems.

Ⅰ.词汇归纳:

1.noise (n.) 噪音– noisy (adj.) 嘈杂的 voice 嗓音sound 声音

2.chemistry (n.)化学– chemical (n./ adj.) 化学的/化学品– chemist (n.) 化学家

3.leaf – leaves (pl.) 树叶

4.butterfly – butterflies (pl.) 蝴蝶

5.pollute (v.) – pollution ( n.) 污染

5.produce (v.) 生产--- producer ( n.) 生产者

6.breathe (v.) – breath (n.)呼吸

7.harm (v.) – harmful (adj.)损害

8.hear ( v.) 听见– hearing (n.)听力lose one’s hearing / have hearing loss 丧失听力

9.lose (v.) – loss (n.) 丧失

fort (v.) --- comfortable (adj.) 舒适– uncomfortable (adj.) 不舒适

11.please (v.) 取悦– pleased (adj.)感到高兴– pleasant (adj.)令人愉快 --- unpleasant

(adj.)令人不愉快

12.environment (n.) – environmental (adj.) 环境 environmental problems 环境（问题）

13.create (v.) – creative (adj.) --- creation (n.)创造

Ⅱ. 词组归纳:

14.bear to do sth. /bear doing sth. 忍受做某事

15.no better than 和…几乎一样差

16.It’s reported that…据报道…

17.several hundred / thousand / million / billion 几百/千/百万/十亿

18.pour … into…把…倒入…

16.cut it / them down 砍倒17.be harmful to / do harm to sb / sth 对…有害18.high blood pressure 高血压

19.look weak 看起来虚弱

20.be gone / disappeared 消失

21.be in a good / bad mood 心情好/不好

22.care for 关注, 关心

23.throw it / them around 把…乱扔

24.go deaf 变聋

25.all sorts / kinds of 各种各样

26.be good for / be bad for 对…有益/害

27.had better (not) do sth 最好（不）做…

28.What a mess! 多么杂乱啊！

29.What a shame ! 多么可惜啊！

Ⅲ. 重点句子:

1. You could see bees and butterflies dancing.你可以看到蜜蜂蝴蝶在飞舞。

2.The flowers and grass have gone. 花和草不见了。

3.What’s worse, the factory makes too much noise. 更为糟糕的是，工厂发出太多的噪音。

4.There are several chemical factories pouring waste water into the stream.

有几家化工厂往小溪排放废水。

5.Everything has changed. 一切都改变了。

6.I’ve got a pain in my throat. 我喉咙疼。

7.How long have you been like this? I’ve been like this since last week.

你像这样有多久了？从上个星期以来就一直这样。

8.Litter makes a mess of our environment, so people shouldn’t throw it around.

垃圾使我们的环境一团糟，所以我们不应该乱扔垃圾。

9.Not all people know noise is also a kind of pollution and is harmful to humans’heath.

不是所有的人都知道噪音也是一种污染并且对人类健康一样有害。

not 与 both, all, every 及 every 的派生词连用时表示部分否定；

如： Not everybody likes watching TV. 不是每个人都喜欢看电视。

--- neither, none, nothing, nobody, no one 表示全部否定。

如：Neither of the students likes reading. 这两个学生都不喜欢看书。

10.It was reported that many teenagers in America can hear no better than 65-year-old people do.

据报道美国许多青少年的听力和 65 岁老人的听力一样差。

11.There are many kinds of pollution around us, including air pollution, soil pollution, noise pollution and light pollution, water pollution and so on.

我们周围有许多污染，包括空气污染，土地污染，噪音污染，光污染，水污染等等。

12.With the increase in population and the development of industry, litter is everywhere. 随着人口的增长和工业的发展，垃圾到处都是。

13.With less pollution, our planet will become greener and our health will be better.