人教版九年级英语全一册《Unit 13 Section A》作业同步练习题及参考答案

1、Unit 13Were trying to save the earth!Section A(1a-2d)一、根据句意及首字母提示完成单词1. There are many kinds of living things in the bof the sea.2. Farmers used to burn cto get warm.3. We bring reusable bags to go shopping instead of pbags.4. Toads(蟾蜍) are ubut they are useful.5. Two fplan to go fishing in the rive

2、r in the east of the village.binadvantagekeepmake a differencewood二、用方框内所给单词或短语的适当形式填空1. There are many of taking buses.2. This is a(n) chair.It looks very comfortable.3. We are supposed to do something in our city.4. Please put the litter into the .5. We are trying our environment clean.三、单项选择1.How

3、 much did the new bike you?A.payB.spendC.take D.cost 2. spending our vacation in a hotel,why not try hiking in the country? A.Instead ofB.Because ofC.Thanks toD.As for3.What do you usually have for breakfast?I used to dumplings,but these days Im used to bread and milk. A.eat; haveB.eating; havingC.e

4、ating; haveD.eat; having4. Oh,the fish smells bad.Youd better it away right now.A.throwB.putC.pickD.keep四、谈谈你能为减少环境污染做点什么 答案与解析一、1.bottom2.coal3.plastic4.ugly5.fishermen二、1.advantages2.wooden3.to make a difference4.bin5.to keep三、1.D2.A3.D4.A四、略Section A(3a-4c)一、根据句意及汉语提示完成单词1. Many goods in our dail

5、y life are made of (塑料).2. Some people are (残酷的) to animals.3. The house is really expensive.I cant (买得起)it.4. Our government has made (法律)to stop driving after drinking.5. Pollution problems are becoming more and more serious with the development of the (工业).二、单项选择1. When I found I didnt have enoug

6、h money to for the meal,I was very embarrassed. A.spendB.takeC.payD.cost2. Itsto your health to drink too much. A.helpfulB.usefulC.successfulD.harmful3. Make sure tothe light when you leave the room. A.turn onB.turn offC.turn upD.turn down4. Were writing to say that were against a new factory here.

7、A.to buildB.buildingC.buildD.to building三、任务型阅读When an animal becomes extinct(灭绝),we will never see it again,except for some bones(骨头)in the ground.How sad!Why do animals become extinct?People are cutting down large forests in Europe, Asia and other parts of the world. This destroys the homes of man

8、y wild animals. For example, some monkeys and apes( 猿 )eat the fruit and leaves on the tall trees. People cut down all the tall trees, leaving only the short ones. If the monkeys and apes dont have food, they will die. With more and more people on the earth, there is less room for other animals like

9、 bears and wolves.Some animals are dying off because people hunt(猎杀)them for food.Some people shoot tigers,lions and other animals for fur to make money.They kill elephants for their ivory,and also force some of them to drag(拉)heavy machines to help them cut down trees.Tourists can hurt animals,too.

10、Turtles lay their eggs on beaches in countries such asGreece,but they cant do this when tourists are on the beach.Pollution is another killer.Some factories pour dirty water into rivers,and then many fish get sick and die.And one day,the Arctic(北极)might melt because of global warming(温室效应).Then where will polar bears live?1. 2. 3