1、Unit 13 Were trying to save the earth!,单元话题阅读专练,一、完形填空The earth is our home and we must take good care of it.That is to say we must 1 the land,air and water clean.But man 2 a lot of pollution on the earth since he first made a fire,washed his clothes in the river and threw waste or 3 on the ground.M
2、any years ago, pollution was not so serious 4 there were not so many people.In the past,there was enough 5 air,land and water. When the land or the river was dirty in one place,man moved to 6 place.Man now, 7 ,is slowly polluting the whole world and there is neither enough clean air,nor clean land,n
3、or clean water.The more people there are in one place, 8 environment they maybe have.,Perhaps you 9 it is endless for people to produce pollution.10,we are glad to tell you that people have come to know the danger of pollution and more and more people are working hard to protect our earth.,( )1.A.ha
4、ve B.take C.watch D.keep ( )2.A.produced B.has producedC.is producing D.will produce ( )3.A.rubbish B.dirtyC.something useful D.will produce ( )4.A.so B.if C.because D.but ( )5.A.clean B.clear C.dirty D.enough ( )6.A.other B.the other C.another D.others ( )7.A.although B.however C.too D.but ( )8.A.t
5、he worst B.the worse C.the bad D.worse ( )9.A.are glad B.are pleased C.afraid D.are afraid ( )10.A.Quickly B.Especially C.Luckily D.Angrily,D,B,A,C,A,C,B,B,D,C,二、阅读理解Life today has brought some problems.One of the biggest is pollution.Water pollution has made our rivers and lakes dirty.It kills our
6、fish and affects our drinking water.1. _Air pollution is the most serious kind of pollution.It affects every living thing in the world.2. _Sometimes the pollution is so thick that it is like a quilt（被子）over a city.This kind of quilt is called smog.3. _Factories must now clean their water before it i
7、s thrown away.They mustnt blow dirty smoke into the air.4. _We can put our waste things in the dustbin and dont throw it on the ground.We can go to work by bus or with our friends in the same car.If there are fewer people driving,there will be less pollution. Laws are not good enough.5._,C,A,D,E,B,根
8、据短文内容，从下面方框中选择适当的句子补全短文。,A.Cars,planes and factories all pollute our airevery day. B.Every person must help to fight pollution. C.Noise pollution makes us talk louder and louder. D.Many countries are making new laws tofight pollution. E.We need to do many other things.,三、短文填词 用方框中所给单词或短语的适当形式填空。,The
9、re are many ways to save the environment if you would like.In this passage,you can find some ways.Plant more trees.Choose a right 1 near your house or workplace. 2 theres any rule stopping you growing trees in that area,go ahead and grow trees.Plant a tree every month and 3 your friends and classmat
10、es to join you.Have more and more trees 4 and there will come a day when you have green land thanks to your hard work.,can,help,ground,rather than,encourage, by,plant,we,off,unless,Walk more and drive less.Choose to walk 5 drive your car.Walk or ride a bicycle to work if its not very far.Not only cy
11、cling but also walking is good exercise. And each time you avoid using your car,youre doing something 6 to cut down air pollution.You are saving fuel,saving money and keeping fit as well.Save water.Water is very important for living things.Its 7 who use and pollute it.The simplest way to save water
12、is turning 8 water taps after use.When you visit a beach,make sure that you dont throw waste around.Do not pollute rivers 9 dropping garbage or other waste.Water is so precious,so we 10 waste or pollute it. 1. _ 2. _ 3._ 4. _ 5. _ 6._ 7. _ 8. _ 9. _ 10._,ground,Unless,encourage,planted,rather than,helpful,we,off,by,cant,
