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页数:4页
时间:2018-07-10
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1、关怀热线:400-600-7921官网:www.eng86.com小黑雅思基础语法练习及答案语法练习Completethefollowingsentencesbycirclingthemissingwords.1.Sciencestillacureforcancer.a.doesn’tfindc.hasn’tfoundb.haven’tfoundd.aren’tfinding2.WhilehearoutetotheIndies,ColumbusdiscoveredAmerica.a.searchedc.hadsearchedforb.wasdis
2、coveringd.wassearchingfor3.Existingreservesoffossilfuelby2045.a.havebeenrunoutc.isgoingtoberunoutb.willhaverunoutd.haverunout4.Ifloggingoftropicalrainforestscontinuesatthepresentrate,a30percentincreaseinatmosphericCO2bytheyear2000.a.therewillbec.therewouldbeb.theremighthavebe
3、end.therecouldnothavebeen5.Onlybyinvestingheavilyinvalue-addedexportsfromthepresenttradeimbalance.a.thecountrycanemergec.canthecountryemergeb.thecountrymightemerged.thecountryemerged6.Themysteryofthedoublehelix,thescopeforgeneticengineeringdramaticallyincreased.a.havingsolved
4、c.solvingb.havingbeensolvedd.solved7.Sincethemid-’60sconsiderableresearchinembryotransplants.a.hascarriedoutc.hasbeencarriedoutb.wasdoned.wascarriedout8.severalhypotheseshavebeenadvancedforthedisappearanceofthedinosaur,noconclusiveevidencesupportsanyofthem.a.despitec.although
5、b.inspiteofd.inspiteofthefact9.Untilthe16thcenturytheearthtobeflat.a.isbelievedc.believedb.hasbeenbelievedd.wasbelieved10.Ifthetemperatureofthereactor500Chighermeltdownwouldhaveoccurred.a.wasc.wasbeingb.hadbeend.had11.adequateprecautionsaretake,thereisnoriskinvolvedintheopera
6、tion.a.Althoughc.Nevertheless小黑雅思用心,出国学习省心!第4页共4页http://www.eng86.com关怀热线:400-600-7921官网:www.eng86.comb.Providingd.Even12.Mysupervisoradvisedmetotheproblem.a.lookaheadc.lookoutofb.lookdownd.lookinto13.Themoreacidyouaddtothesolution,itbecomes.a.cloudierc.thecloudiestb.thecloud
7、ierd.morecloudy14.Thelecturersaid‘It’stimeyoutheliteraturereview.’a.beganc.shouldbeginb.begind.arebeginning15.Afterstudyingourexperimentalresults,thetutorsuggestedtheexperiment.a.ustorepeatc.werepeatb.thatwetorepeatd.metorepeat16.Afteryourresultsyoushouldmakeanappointmentwith
8、yourtutor.a.youreceivingc.youhavereceivedb.youwouldhavereceivedd.you
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