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1、 Unit3 the Earth一.要点短语:14It is +adj.for sb to sth2protect the Earth 保护地球3many different plants对某人来说做某事很15let sb do sth 让某人做某事16one quarter 四分之一，一刻钟17ask sb to do sth 让某人做某事18catch fish 抓鱼许多不同的植物22need sth to do sth 需要某物来做某事23keep sb alive 保持某人存活24find out 查清楚,弄明白25a long time ago = long , long ago很久
2、以前26in the end 最后，终于About 60% of the students in our class are girls. 我们班 60%的学生是女孩。be covered by 被覆盖着，表动作； The road is covered by leaves in autumn. 秋天这条路盖满了树叶。本句中 like 是介词，意为像一样 Thats not right. Do it like this. 那样不对，像这样做才对。5.The Earth provides us with air, water and food. 地球为我们提供了空气、水少食物。 The sun
3、provides us with light and heat.= The sun provides light and heat for us. 太阳给我们提供光和热。6. Today, there is a lot of pollution. 今天，有很多污染。这里的空气有大量的污染。Now, people use water, the wind and the sun to make energy. 如今，人们利用水、风和太阳来获取能量。8.We put our rubbish into the sea and under the ground. 我们把垃圾倒入海洋、埋入地下。putin
4、to 把放入；把倒入 They put the waste water into the river. 他们把废水倒入河中。Please put all your toys into the box. 请把你所有的玩具都放入这个箱子里。习题练习( ) 1. The water in the river is very dirty and it kills lots of fish in i tC. makesinteresting D. makesdie ( ) 4. Our school gives us lots of chances to show ourselves.A.helpswi
5、th B. provideswith C. throwsaway D. putsinto7.Many peoople still burn wood to make e_.8.We often have a q_ at the beginning of the class.9.Dont t_ away the rubbish in the river.10. Its i_ for us to keepour body healthy.四.单项选择.C. partD. sectionA. give; withB. provide; withC. provide; for D. give; for ( ) 10. Our teacher always asks us _ to bed late.A. going B. not going C. to goD. not to goD looks like五.根据汉语提示完成句子The Earth _ us _air, water and food.3. 我们把垃圾倒入海中或地下。 We _our rubbish _the sea and under the ground. 4.我们必须停止做这些事情。 We must _ _ these things5. 对我们来说，为了未来，保护好地球 是很重要的。