分不多,请灌水的朋友不要进!英语阅读最后一篇!
Airpollutioncancausebothairplaneandautoaccidentsbecauseitcutsdownvisibility.Thereareotherpossiblehealthdangersfromairpollutionthatwedonotknowmuchabout.Forexample,scientistsaretryingtofindoutwhetherchemicalsthatreachusfromtheairmaycausechangesinourcells.Thesechangesmightcausebabiestobebornwithseriousdefects.Scientistsaretryingtolearnhowallthemanychemicalsweareapttotakeintoourbodiesfromair,water,foodandevenmedicinesacttogethertoaffectourhealthandthewayourbodieswork.Thatisanotherreasonwhyitissoimportanttobegintocontrolpollutionnowinsteadofwaitinguntilwelearnalltheanswers.
Airpollutioncostsusalotofmoney.Itdirtiesandcorrodesourbuildings.Itdamagesfarmcropsandforests.Ithasadestructiveeffectonourworksofart.ThecostofallthisdamageintheUnitedStatesisthoughttobemorethan$16billioneveryyear.Thisisfarmorethanthecostofcontrollingairpollutionwouldbe.
31.Airpollutioncanbringairplaneandcaraccidentsbecause________.
A.itmakespilotsanddriversillB.itdirtiesairplanesandcars
C.pilotsanddriverscannotbearthepollution
D.itpreventspilotsanddriversfromseeingthingsclearly
32.Accordingtothereading,scientistsarestillworkingtofindoutaconnectionbetweentheairpollutionand______.
A.caraccidentsB.birthrateC.babies’healthD.lungdiseases
33.Accordingtothewriter,theeffectsofpollutiononthehumanbody_______.
A.havebeenprovedbyscientistsB.havenotyetbeendeterminedbyscientists
C.canbecontrolledcompletelyD.Noneoftheabove
34.Itcanbeinferredfromthepassagethattheauthor__________.
A.wantsscientiststofindalltheanswerstothequestionsaboutairpollution
B.doesn’tknowwheretogetenoughmoneytocontrolthepollution
C.doesn’tthinkitmostimportanttofindanswersforallthesequestionsaboutairpollution
D.thinksitmoreimportanttocontroldamagesthanairpollution
35.Accordingtotheauthor,asairpollutionisgettingmoreandmoreserious,__________.
A.thegovernmentwill
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