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语篇训练卷(三)
Unit 7 Lesson 4 & Communication Workshop
Ⅰ. 完形填空
In the past, man did not have to think about the protection of the environment. There were not many people on earth, and natural resources seemed to be 1 .
Today, things are 2 . The world has become too 3 . We are using up our natural resources too quickly, and at the same time we are 4 our environment with dangerous chemicals. If we continue like this, human life on earth 5 survive.
Everyone 6 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing 7 , more and more fish are caught. We
