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(2) Don’t spit anywhere in public.
(3) Everyone should care for wild animals and plant more trees.
二： 自主学习
. 在文中找到并划出下面的短语
1.读这篇文章______ ___________
2.（作为）结果,因此_____ ____ ____
.3一些有用的措施_____________ ____
4.（我们中）没有人______________ ____
5.到处丢垃圾____________________ ____
6.当众吐痰______________________ ____
7.踩踏草坪_____________________________________
8.采摘花朵_____________________________________
9.关爱野生动物_________________ ____
10.多种树____________________________
Listen and answer the questions
1.What’s the weather like today ?
It’s bad. The wind is so strong . And the sand really
hurts face.
2.What causes these sandstorms ?
People have cut down too many trees.
As a result, a lot of rich land has changed into desert.
3.Do we still need to do something to protect the
environment ?
Yes, we do. Although we have built “The Green Great
Wall”, we still need to do something to protect the
environment .
conj. 虽然，尽管，即使
n.沙
somebody, someone, something, somewhere
anybody, anyone, anything, anywhere