一、单项填空(从题中所给的A、B、C、D四个选项中，选出最佳选项)1.Ahugeamountofenvironmentaldamagehasbeen_______bythedestructionoftherainforests.A.broughtinB.broughtupC.broughtaboutD.broughtdown【答案】C【解析】bringin收获，得到，引进；bringup提出，抚养，教育；bringabout引起，实现，导致，带来；bringdown降低。句意：对热带雨林的破坏给环境带来了很大的危害。2.ThetwoChinesescientistshavemadeawonderfuldiscovery,whichmarksamajor_______inthebasicresearchinthefield.A.boomB.businessC.burdenD.breakthrough【答案】D【解析】繁荣，景气；business事务，事情；burden重担，重负，责任，义务；breakthrough突破。句意：这两个中国科学家做出重大发现，这标志着这个领域的重大突破。3.Thegovernmenthastakenmeasuresto_______thepricesofdailynecessitiestokeepthemarketstable.A.blowdownB.breakdownC.bringaboutD.bringdown【答案】D4.ItwasatthatmomentthatInoticedthecarwas_______upanddownasifsomeonewerejumpingonitHYPERLINK"javascript:void(0);"A.boomingB.bouncingC.brushingD.braking【答案】B【解析】bounce弹起，bounceupanddown上下颠簸。句意：就在那个时候我注意到那辆车在上下颠簸，好像有人在车上蹦跳似的。boom隆隆响；brush轻擦，掠过(某人/某物)；brake刹车。5.—Doyoubelievethatdifficultsituationsorhardexperiences_______thebestqualitiesofaman?—Thereisnodoubtaboutthat.A.bringinB.bringoutC.bringforwardD.bringup【答案】B【解析】bringin引进；bringout使显出；bringforward提出；bringup提出。句意：“你相信困难的处境或者艰苦的经历能显现出一个人好的品质吗？”“我深信不疑。”6.AgovernmentspokespersononFridaycalledforChina’s500millionInternetusersto_______unconfirmedonlinerumors.A.boycottB.bearC.advocateD.ban【答案】A【解析】boycott(联合)抵制；bear忍受，容忍；advocate提倡，拥护；ban禁止，取缔。句意：政府发言人周五要求中国5亿互联网用户联合抵制网络谣言。7.Heisveryawareofwhattopicsheshouldandshouldnot_______attheconference.A.bringbackB.bringaboutC.bringupD.bringin【答案】C【解析】bringback送还，带回，使恢复；bringabout引起，实现，导致，带来；bringup提出；bringin引进。句意：在会议上，他很清楚自己应该和不应该提出什么样的话题。8.Weall_______asighofreliefwhenthenewscamewhethernoonewasinjuredintheaccident.A.balancedB.boreC.breathedD.blessed【答案】C【解析】breatheasighofrelief：松了一口气，松了口气，宽慰地舒一口气。句意：当听到事故中没有人受伤的消息传来，我们大家都松了一口气。9.Herewefoundlittlesnow,asmostofitseemedtohavebeen_______themountain.A.blownupB.blowndownC.blownoffD.brokendown【答案】C10.