Unit 2 Saving the EarthTopic 2 Section A【词形变换】变名词：pollute _ 变反义词：outside_ 变同义词：prevent _； though _； rubbish_【翻译下面的短语，在文中找到并划出】 1. 刚才_2. 不能看见任何东西 _ 3. 砍伐太多的树木_4. 结果 _ 5.大量富饶的土地_6.变成_7 .阻止大风刮走泥土_8. 阻止流水冲走泥土_9. 对有害_10.人类 _自我检测：( )1.What weather !Lets go hiking .A. a bad B. a fine C. bad D. fine( )2.We should humans destroying the environment. A. keep . by B. stop. to C. prevent. by D. stop. from( )3.I have to wait for the traffic lights to green .Then I can go on walking.A. change B. changed C. change to D. changing into ( )4. -Have you seen my basketball?-Yes. I saw it in the classroom just now.A .everywhere B. nowhere C. anywhere D. somewhere( )5.The heavy rain us from finishing the work. A .protected. B. prevented C. moved D. made( )6. The driver was badly hurt _ of the traffic accident.A. at a resultB. in the resultC. with the resultD .as a result( )7. always helps others _ she is very busy.A. butB. andC. althoughD. because( )8. We must plant more trees after we _ every year.A. cut off themB. cut them offC. cut down themD.cut them down作文：根据提示，以“Saving the Earth”为题，写一篇80词左右的短文。提示: 1.如何保护环境已成为世界最大难题之一；2.各种污染破坏环境，损害健康；3.不要乱倒垃圾，乱排废水；4.我们应该保护环境，使我们的家园更加美丽。Saving the EarthHow to protect the environment has become the biggest problem in the world. There are many kinds of pollutions around us, such as air pollution, noise pollution, water pollution and light pollution. We know that rubbish not only pollutes our environment but also harms peoples health. So we shouldnt throw rubbish everywhere. If people pour waste water into the rivers and the lakes, it will make the water dirty and even kill the fish. So we mustnt do like that.We have only one earth. We must keep our environment clean and tidy. We must try our best to protect her, and make our home more and more beautiful.第 2 页