2018年山西省英语人教版必修2 Unit 4 Wildlife protection 同步练习(六).docVIP

2018年山西省英语人教版必修2 Unit 4 Wildlife protection 同步练习(六).doc

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2018年山西省英语人教版必修2 Unit 4 Wildlife protection 同步练习(六)

Unit 4 Wildlife protection 同步练习(六) 一、用准确的介词或副词填空 Many of the animals have died______ _______a result _______the enemies that kill and eat them 2.Wildlife is ______danger _______disappearing,which we should be concerned_______. 3.There was an antelope ________his eyes fixed _______her. 4.A dog suddenly came out _______the bed. 5.________now________,we should pay more attention ______wildlife protection. 二、完形填空 The world is __1___hungry,it is also thirsty for water.This may seem ___2___to you,for nearly 70 percent of the earth’S surface(表面)is covered with water.B ut about 97 percent of this huge __3___is seawater,___4___salt water.Man can only drink and use ___5__3 percent the fresh water that comes from rivers,lakes,underground,and other sources(来源).And we can’t even use all of__6___,because some of it is in the ___7___of icebergs and glaciers(冰川).Even worse, some of it has been polluted(污染).__8___,as things stand today,this small amount of water,which ___9___by rainfall,is still enough for US.But our need for water is increasing rapidly almost __10___.Only if we take steps can we solve this problem now ___11___ aserious worldwide water shortage in the future. One of the first steps we should take is to develop ways of ___12___ water.Today,in most large cities,water is used ___13___ and then sent into a sewer system(下水道系统).From there it goes to the sea or run into underground storage tank(蓄水池).But it is __14__ _to pipe water that has been used to a purifying plant(净化厂).There it can be filtered(过滤)and treated with chemicals SO that it can be used again. ___15__ way is to make use of sea water by removing (去除)the salt.This is called desalinization(脱盐)and it is already in use in many parts of the world. ( )1.A.either B.neither C.not only D.too ( )2.A.new B.strange C.exciting D.puzzling ( )3.A.number B.deal C.quantity D.amount ( )4.A.or B.as C.for D.with ( )5.A.another B.the other C.other D.every ( )6.A.

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