范文范例精心整理2
Scientistsaretryingtofindalinkbetweenpollutionand
大学英语四级模拟题四B
birthproblemsA
intelligencelevels试卷总sbehaviorC
man'D
thenervoussystem六五二一四三核查人3
Scientistshavenotyetdetermined
alloftheeffectsofpollutiononthehumanbodyB
howpollutioncanbecontrolledsuccessfullyC
whentheatmospherefirstbecamepollutedD
howsomesnowbecomesblack4
Theauthorsuggeststhatbeforeairpollutionbecomesmoreserious,
')(2ReadingComprehensionPartOne'×10=20A
factorieswillbeforcedtostopoperatingB
buildingsshouldbeprotectedEachpassageisfollowedbysomequestionsThereare2passagesinthissection
Directions:C
theearthwillbegintogrowcolderorunfinishedstatements
ForeachofthemtherearefourchoicesmarkedA),B),C)andD)
moremoneyshouldbespenttosolvetheproblemYoushoulddecideonthebestchoiceandmarkthecorrespondingletteronthe