1.Afull______ofallthereasonsforandagainstclosingtherailwayhasbegun.AexplosionBexplorationCexploitationDexplanation答案:D[解析]explanation“解释，说明”；explosion“爆炸”；exploration“探险”；exploitation“剥削，利用”。句子意思是“人们畅所欲言，开始解释支持或反对关闭铁路的理由”。答案是D。2.Infearfortheirlivesandin______oftheirfreedom,thousandsofenslavedwomenandchildrenfledtotheNorthernStatesontheeveoftheAmericanCivilWar.AwayBviewCvisionDpursuit答案:D[解析]way“路，路线，路途”；view“观点”；vision“光景，视野”；pursuit“追求”。inpursuitof“追求，寻求”。答案是D。3.WhencooperatingwiththeAmericanspecialistsintheStates,I______myselfoftheopportunitytoimprovemyEnglish.AavailedBallowedCdeprivedDindulged答案:A[解析]availoneselfofsth“使用某事物，利用某事物”；allowofsth“容许某事物，对某事物留有余地”；deprivesb.ofsth“剥夺某人的某事物”；indulgeoneselfwithsth“放纵自己”。4.Ben'swifelostthecase,which______herenormously.AcompressedBdepressedCimpressedDsuppressed答案:B[解析]depress“使沮丧”；compress“压缩，浓缩”；impress“给……印象”；suppress“镇压”。5.Thebadanddampweatherinthehotareawouldenabletheplantstoget______quickly.AdecomposedBdenouncedCdetachedDdeduced答案:A[解析]decomposed“分解，腐烂”；denounced“指责，谴责”；detached“孤立的，分离的”；deduced“推论，演绎”。答案是A。6.TomandAlice______havinganewcartoreplacetheiroldoneforyears.AhasbeendreamingofBhavebeendreamingofChasdreamedDwillhavedreamed答案:B[解析]主语是两个人，谓语用复数形式。由状语“foryears”可以确定，应用现在完成时。7.Asthecoreofthemanagementboard,hecanalwayscomeupwith______ideastopromotethecorporation'smarketingstrategies.AintegralBinstinctiveCintangibleDingenious答案:D[解析]integral“完整的，完全的”；instinctive“本能的，天生的”；intangible“无形的，难以触摸的”；ingenious“机灵的，有独创性的，精制的”。答案是D。8.The______ofthespringwaterattractsalotofvisitorsfromalloverthecountry.AclashBclarifyCclarityDclatter答案:C[解析]clash“冲突，撞击声”；clarify“说明，讲清楚”；clarity“清澈；明了；明确”；clatter“喧嚷，动”。答案是C。9.Mosquitosareonlymeansof______ofmalarA.transferenceB.transformationC.transitionD.transmission答案:D[解析]transmission“传播”；transference“转让，职务调动”；transformation“转换”；transition“过渡”。答案为D。10.Newdatahas______thatthedamagetotheozonelayerisnotconfinedtothesouther