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unit 10 Microsoft PowerPoint 演示文稿


Unit 10 Environment

1. What can you see in each picture ? 2.What causes the problems ? 3.In what way can we solve the problem ?

What causes air pollution? Air pollution is mainly caused by the vehicles and the automobiles which emit carbon dioxide. The developed nations are responsible for the cause of air pollution to a great extent. The growth of automobiles has contributed to the increase in air pollution. The developing nations are getting crowded on a daily basis by the automobiles and the carbon emission is more resulting in more air pollution. The industries release the exhaust gases in to the air causing air pollution. Most of the industries and various other companies release their waste in to the air.

as adj. /adv. +as

E g . This film is as interesting as that one .
Not so /as +adj./adv. +as E g. This dictionary is not as /so useful as you think

若有修饰成分,如twice,three times 则置于第一个as 之前。 E g. Your bag is twice as expensive as mine .
as… as possible E g. Please answer my question as soon as possible .

No longer =not …any longer Eg. He was no longer a little boy .

used to do be used to doing be used to do
a blanket of smog 一层 chimney 烟囱 smog 烟雾 industry n. 工业 industrial adj. 工业的

dress sb. 为…穿衣 E g. The mom dresses the baby everyday . be /get dressed in 打扮,穿着… E g. she is dressed in a new skirt. dirty adj. 脏的,有尘土的 furniture n. 家具 fresh adj. 新鲜的

coal n. ,煤炭

traffic jam

交通阻塞

excessive adj. 过度的

excessive competition

die of …死于表示由于年老、疾病、饥饿等直接原因而死 E g. He died of a stroke. die from 死于一般由于车祸、火灾等意外或间接原因而 死 E g. He died from a car accident. related to… 与…有关的,过去分词短语作定语

Lead to …导致,通向

E g. All roads lead to Rome. 条条大道通罗马。 Too much work too little rest often lead to illness.


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