九、根据所给提示，以“Saving the earth”为题写一篇80词左右的短文。
提示：1. 怎样保护环境已成为世界上最大的难题之一； 2. 垃圾污染环境，损害健康，不要到处乱让垃圾； 3. 废水流到江河里和大海里，造成大量的鱼死亡；
4. 保持环境干净，整洁。我们只有一个地球，应该保护她，使我们的家园更加美丽。
参考词汇：pollute, harm, throw, rubbish, poor, try one’s best
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参考答案
Unit8 Welcome
一、1 digging 2 serious 3 breadfruit 4. reduced5.recycle 6.cause7.wise
二、1 about 2 water 3 healthily 4 either 5 ill 6 dump 7 instead 8 attention 9 full 10 make
三、1 wise for people to choose public transport or ride bicycles.
2 good for children to drink
3 will be set up 4 are busy doing 5 reduce by walking 6 were recycled
Unit8 Reading1
一、1. allowed 2 plastic 3 punishing 4 separate 5 wisely 二、1 is make 2 be sold 3 to protect 4 are answered 5 to talk
三、1 depend on 2 differences 3 sent; to 4 separate; into 5 run out 6 like 7 Unluckily 8 cut down
四、1 anything else 2 All kinds of are sold 3 otherwise will be punished 4 allow, to go out 5 make a difference
Unit8 Reading2
一、1. depend 2. rich 3. resource 4. produced
5. wisely 6. recycling 7. difference(s) 8. energy
二、1 wisely 2 put; into 3 depend on 4 set up 5 drop litter 6 run out 7 make a difference 8 to choose 9 do with 10 trying to
三、1 World Environment Day 2 from all over the world 3 depends on the weather 4 the greatest treasure 5 sound like
一、1 displayed 2 harms 3 polluted 4 living 5 chances 二、1 was received 2 filled 3 will be held 4 will be sent 5 living 三、1 be seen 2 is be bought 3 be opened 4 will be taught 5 be given 四、1 be held 2 is donated 3 is going to be invited 4 protecting the environment be discussed 5 is full of/ is filled with
Unit8 Integrated skills
一、1 dust 2 survey 3 soil 4 results 5 empty
二、1 to get 2 to solve 3 to turn 4 recycled 5 to clean 6 to give 7 to drink 8 will have 9 the greatest 10 clean
三、1 try our best to protect 2 waiting for 3 make difference 4 turn off brushing teeth 5 soil in place
四、1 is called 2 Don’t take
Unit8 Study skills
一、 1 natural 2 wider 3 wisely 4 impossible 5 thousands 二、1 Taking 2 duty 3 thrown 4 recycling 5 much
三、1 take showers less than 2 survey on to keep fit 3 to recycle empty 4 in place
Unit8 Task
一、1 depend 2 soil 3 difference 4 oil 5 fas 6 formed 7 carelessly 二、1 checking 2 not only; but also 3 to develop a green lifestyle 4 made a lot of mistakes 5 thousands of 6 if possible 7 As a result 8 in use
三、1 used to 2 is given 3 reduce 4 all over 5 much cleaner 6 recycle; separated 7 turn off Unit8 单元检测
一、 DDAAD BDCCB BDDDD 二、 BACDA BCDAD 三、 ADCDA
四、 1 simple 2 harmful 3 allow 4 punished 5 soil 6 form 7 gas 8 differences 9 plastic 10 caused
五、 1 grow 2 without 3 facing 4 once 5 believe
六、 1 make a difference to 2 turn off 3 harmless 4 has run out of 5 to cut down 6 in place 7 is good for 8 carelessly 9 wise 10 depend on 七、 1 going have 2 make us 3 in use 4 in order to 5 different from
八、 1 south 2 Opening 3 16:30 4 visitors 5 BBQ 6 shopping 7 sports 8 Notes 9 Fire 10 allowed
九、 Saving the earth
How to protect the environment has become the biggest problem in the world. The wast pollutes the environment and do harm to people’s health, so we cannot throw the waste everywhere. Don’t pour waste water everywhere, because the polluted water runs to the rivers, lakes and farmlands. It pollutes the grains and kills so many fish. We should keep our environment clean and tidy because we have only one earth. We should try our best to protect her and make our home more beautiful!