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温馨提示：此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。素能提升演练（二十一）必修5Unit1Ⅰ.用方框中所给单词或短语的适当形式填空putforward;link...to...;apartfrom;leadto;makesense;expose...to;lookinto;betoblame;defeat;suspect1.Thisessayisquitegood_______acoupleofspellingmistakes.2.Iwrotealetterofcomplaint,andthemanagerhaspromisedto_______thematter.3.Thereisnodoubtthatstresscan_______physicalillness.4.Thepolice_______themanintheredjacketwasacriminal,buttheydidn’thaveanyevidence.5.Idon’tthinkit_______tofocusonlyonprovidingbasicservices.6.Anewapproachtoteachinglanguageswas_______atthemeetinglastweek.7.Thesecolorswillnotlastiftheyare_______thesun.8.Scientistsnow_____certaintypesofcancer__theamountofjunkfoodthatpeopleeat.9.Wewere_______0－1inthefootballgame,whichmadeusveryupset.10.Itisnotthechildbuthisparentswho_______forthis.Ⅱ.完成句子1.Ifeelitisyourhusband_______________________forthespoiledchild.(blame)我感觉对于这个宠坏了的孩子你丈夫应受责备。2.Thefact____________________________madeitdifficultforhimtogetajobinthatcountry.(attend)他没上过大学这个事实使他在这个国家找工作变得困难。3.So_____________________readinganovelthathefoundtimepassedquicklyinthesummervacation.(absorb)他读小说如此专注，以致他发现暑假时间过得真快。4.DoctorWangbecameexcitedwhenhethoughtabouthelpingthepoorchildren_____________________cholera.(expose)王大夫一想到能帮助那些可能染上霍乱的贫困儿童他就非常激动。5.It’swellknowntousthatinnocase_________________________withouthavingawideinvestigation.(conclusion)我们都知道在没有进行广泛的调查之前我们决不能贸然得出结论。6.Ithinkyouneedsomeoutdoorexercise.Plentyoffreshairwill___________________________________.(contribute)我认为你需要户外锻炼，足够的新鲜空气会有利于健康。7.Inordertobringupherdaughtertobeaneducatedwoman,shehasnochoicebut_____________________.(strict)为了把女儿培养成有涵养的人，她别无选择只得对她严格要求。8.OnlywhenIenteredtheseniorhighschool_____________________agreatinterestinpoems.(show)只有当我进入高中时我才开始对诗歌产生浓厚的兴趣。9.Iwaspleasedtofindthattheapartment________________________________wasinaquietneighborhood,withmanytreesandenoughfreshairtobreathe.(advertise)我很高兴地发现在报纸上做广告的房屋竟然在环境幽静，绿树成荫，空气新鲜的地方。10.Itwashisrichexperiences_____________________thesuccessofhisnovel.(contribute)他丰富的经历对他的小说成功起了很大作用。Ⅲ.阅读理解LinusPauling，theonlypersonwhohaswontwoundividedNobelPrizes，wasborninPortland，Oregon.HeattendedWashingtonHighSchoolbutbecauseofanunimportantdetailhedidnotreceivehisdiplomauntil1962，longafterhehadreceivedhisBachelor’sdegreeinchemicalengineeringfromOregonStateCollegein1922.Hehadchosentostudyhismajorbecausehecouldgetagoodjobwithit.HewontheNobelPrizeforChemistryin1954forhisresearchintothenatureofthechemicalbondanditsapplicationtotheexplanationofthestructureofcomplexsubstance.Hisinterestinthe“behavior”ofmolecules(分子)ledhimfromphysicalchemistrytobiologicalchemistry，especiallyofthehumanbody.Hebeganwithproteinsandtheirmainparts，theaminoacids(氨基酸)，whicharecalledthe“buildingblocksoflife”.In1950，heconstructedthefirstsatisfactorymodelofaproteinmolecule，adiscoveryveryimportanttotheunderstandingofthelivingcell.DuringWorldWarⅡ，PaulingwasamemberoftheResearchBoardforNationalSecurity，forwhichhewasawardedthePresidentialMedalofMeritin1948.However，theuseoftheatomicbombneartheendofthewarturnedPaulinginanewdirection.Havinglongworkedonthestructureofmolecules，hetookanimmediateinterestinthedeadlyeffectsofnuclearfalloutonhumanmolecularstructures.Fromthenon，Paulingprotestedtheproductionofthehydrogenbombsandsupportedthepreventionofthespreadofnuclearweapons.Throughhisefforts，TheNuclear-Test-BanTreaty，declaringallnuclearteststobeillegalexceptundergroundones，cameintoeffectonOctober10,1963，thesamedayLinusPaulingwasawardedtheNobelPrizeforPeace.1.FromthefirstParagraph，welearnthatLinusPauling_____.A.didn’tstudyhardwhileinWashingtonHighSchoolB.istheonlyscientistwhohaswontwoNobelPrizesC.wasoncebadlytreatedinWashingtonHighSchoolD.chosetostudychemicalengineeringtoearnhisliving2.WhichofthefollowingthingsdidPaulingpaymuchattentiontoatfirst?A.The“behavior”ofmolecules.B.Physicalchemistry.C.Biologicalchemistry.D.Thehumanbody.3.DuringWorldWarⅡ,LinusPauling_____.A.hadtostophisresearchbecauseofthewarB.madegreatcontributionstothesafetyofthecountryC.joinedthearmytofightforthesafetyofthecountryD.tookpartinresearchingnuclearbombs4.WhichofthefollowingislegalaccordingtoTheNuclear-Test-BanTreaty?A.Theuseofnuclearweapons.B.Testinghydrogenbombsontheground.C.Testinghydrogenbombsunderthesurfaceoftheground.D.Theproductionofthehydrogenbombs.5.Themainideaofthepassageistoshow________.A.LinusPauling’sattitudetowardsnuclearweaponsB.LinusPauling’scontributionstotheworldC.LinusPauling’sresearchonthestructureofmoleculesD.LinusPauling’sgettingtheNobelPrizeforPeace6.用30个左右的词概括短文大意________________________________________________________________________________________________________________________________________Ⅳ.读写任务阅读下面的短文，然后按照要求写一篇150词左右的英语短文。HelenKellersufferedfromastrangesicknesswhenshewasonly19monthsold.Itmadehercompletelyblindanddeaf.Forthenextfiveyearsshehadnowayofsuccessfullycommunicatingwithotherpeople.ThenateacherAnneSullivanarrivedfromBostontohelpher.MissSullivanherselfhadoncebeenblind.ShetriedtoteachHelentolivelikeotherpeople.Shetaughtherhowtouseherhandsasawayofspeaking.MissS