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1、四六级通关秘笈四六级通关秘笈大学英语六级考试快速阅读专题测试PartIIReadingComprehension(SkimmingandScanning)(15minutes) Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA),B),C)andD).Forquestion8-10
2、,completethesentenceswiththeinformationgiveninthepassage. Pollution:ALifeandDeathIssue OneofthemainthemesofPlanetunderPressureisthewaymanyoftheEarth'senvironmentalcrisesreinforceoneanother.Pollutionisanobviousexample-wedonothavetheoptionofgrowingfood,orfindingenoughwater,onasque
3、aky-cleanplanet,butononeincreasinglytarnishedandtrashedbythewaywehaveuseditsofar. Cuttingwasteandclearinguppollutioncostmoney.Yettimeandagainitisthequestforwealththatgeneratesmuchofthemessisthefirstplace.LivinginawaythatislessdamagingtotheEarthisnoteasy,butitisvital,becausepollut
4、ionispervasiveandoftenlife-threatening. Air:theWorldHealthOrganization(WHO)saysthreemillionpeoplearekilledworldwidebyoutdoorairpollutionannuallyfromvehiclesandindustrialemissions,and1.6millionindoorsthroughusingsolidfuel.Mostareinpoorcountries. Water:diseasescarriedinwaterareres
5、ponsiblefor80%ofillnessesanddeathsindevelopingcountries,killingachildeveryeightseconds.Eachyear2.1millionpeoplediefromdiarrhoeal(痢疾的)diseasesassociatedwithpoorwater. Soil:contaminatedlandisaprobleminindustrializedcountries,whereformerfactoriesandpowerstationscanleavewastelikeheav
6、ymetalsinthesoil.Itcanalsooccurindevelopingcountries,sometimesusedfordumpingpesticides.Agriculturecanpollutelandwithpesticides,nitrate-richfertilizersandslurryfromlivestock.Andwhenthecontaminationreachesriversitdamageslifethere,andcanevencreatedeadzonesoffthecoast,asintheGulfofMex
7、ico. ChronicProblem Chemicalsareafrequentpollutant.WhenwethinkofchemicalcontaminationitisoftenimagesofeventslikeBhopalthatcometomind.Buttheproblemiswidespread.Onestudysays7～20%ofcancersareattributabletopoorairandpollutioninhomesandworkplaces.TheWHO,concernedaboutchemicalsthatper
8、sistandbuildupinthebody,especiall
