一. 重点单词：
1． sandstorm______ inland____ dust____ mask___
carbon_____ dioxide____ cycle ____ forecast_________
二．重点短语
1. from what I understand________
2.You are absolutely right! ________
3.It’s scary________
4.It couldn’t be worse. ________
5. I couldn’t agree with you more _______________
6 in (the) process of_________
7. too much 太多..（加__） too many （加__） much too （加___）
too much of人sb/sth _______
8. stop/prevent sb/sth (from)doing =keep sb/sth from doing sth ________
be stopped/prevented/kept from doing sth
9. the/a majority of…./most of …_____ major in_____ be in the/a majority_____
10．a mass of /masses of…._______
11．the cycle of the season_______
三．重点句子。
1. They are often so thick that you cannot see the sun, and the wind is sometimes strong enough to move sand dunes.
沙尘暴经常是很厚的,以至于你看不到太阳,而且风有时大得能够刮动沙丘。
2. The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.
暴风有时持续一整天,车辆开得很慢,因为浓浓的尘埃降低了能见度。
重点句型
3. I can’t help but feel very concerned.
我禁不住感到很担心。
4. The garbage is then taken away and, if possible, recycled.
然后把垃圾运走,倘若可能的话,予以回收利用。
重点句型
1. The garbage is then taken away and, if possible, recycled.
然后把垃圾运走,倘若可能的话,予以回收利用。
if possible是if it is possible 的省略形式。当if, when,while,until, unless, once, whether 等引导的状语从句的主语与主句的主语相同,并且从句中含有系动词be时,或从句的主语是it 且含有be 动词时,从句中的主语及部分谓语(be动词)可省略。
If possible, she wants to go with us.
可能的话,她想跟我们一起去。
句型探究
if引导省略的情况有下列几种：
if any 如果有的话
if ever 如果曾经有的话
if necessary 如果有必要的
if so 如果是这样的话
if not 如果不这样的话
if possible如果可能的话
if you like 如果你愿意的话
if need be如果需要的话
if at all 如果（某人）真的要做的话
if anything 如果有的话
if anybody 要是有这样的人，如果有(符合这种要求的)人，倘若(或假如)有谁的话
if anywhere 如果在什么地方的话
Inflation may be rising, if so, prices will go up.
通货膨胀率可能上升,如果那样的话,物价就会上升。
He is a great musician, if ever,there is one.
如果曾经有过伟大的音乐家,那他就是一个。
2. I can’t help but feel very concerned.
我禁不住感到很担心。
can’t help but+动词原形，______”，相当于can’t help doing sth._____
can’t help to do __ __; can but do ___ _____;can not but do______
3.常用来询问对方观点的句式
1)What do you think of……..?
2)How do/did you feel…..?
3)How do you feel about …..?
4)What’s your opinion of ….?
5)How dou you see…… ?
6)Could you tell me your reaction to…?
7)Do you have any views on…?
8)What would you say to……?
8.In the 1970s, as people learnt more about environmental problems…….
9.The “Green “ movement tries to get governments to think seriously about the environment….
10. He does nothing but complain.
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