英语高考中why提问的题答题技巧

英语高考中why提问的题答题技巧why问句，问原因why问句，问原因的题目多数出现在记叙文中，其题干特点"why+助动词+普通人的一件事"为特点，而且选项都是主语相同的完整陈述句，正确选项通常是对文本材料进行语意概括。其命题点有以下三种情况:1.原因状语从句lamPeterHodes，avolunteerstemcourier.SinceMarch2012，l'vedone89trips--ofthose，51havebeenabroad.Ihave42hourstocarrystemcells(干细胞)inmylittleboxbecauselvegottwoicepacksandthatshowlongtheylast，inall，fromthetimethestemcellsareharvestedfromadonor（捐献者)tothetimetheycanbeimplantedinthepatient，we'vegot72hoursatmost.Solamalwaysconsciousoftime.30.WhydoesPeterhavetocompletehistripwithin42hours?A.Hecannotstayawayfromhisjobtoolong.B.Thedonorcanonlywaitforthatlong.C.Theoperationneedsthatmuchtime.D.Theicewontlastanylonger.分析:由because引导的原因状语从句"因为我有两个冰袋，它们只能撑这么长的时间"可知，选D项。2.现在分词短语Garzaneverpleasedmoveaway.EvenwhenherdaughterandsonaskedhertomovetoSanAntoniotohelptheirchildren，shepolitelyrefused.OnlyafterayearoffriendlydiscussiondidMs.Garzafinallysayyes.Thatwasfouryearsago.Todayallthreegenerationsregardthemovetoasuccess，givingthemacloserrelationshipthantheywouldhavehadinseparatecities.25.WhywasGarzasmoveasuccess?A.ltstrengthenedherfamilyties.B.ltimprovedherlivingconditions.C.ltenabledhermakemorefriends.D.lthelpedherknowmorenewplaces.分析:最后一句中的现在分词短语，表示结果"这让他们的关系比在单独的城市更亲密”，可见A项正确。3.表示转折处Racewalkersareconditionedathletes.ThelongesttrackandfieldeventattheSummerOlympicsisthe50-kilometerracewalk,whichisaboutfivemileslongerthanthemarathon.Butthesportsrulesrequirethataracewalkerskneesstaystraightthroughmostofthelegswingandonefootremainincontact（接触）withthegroundatalltimes.ltsthisstrangeformthatmakesracewalkingsuchanattractiveactivity,however，saysJaclynNorberg，anassistantprofessorofexercisescienceatSalemStateUniversityinSalem，Mass.28.Whyareracewalkersconditionedathletes?A.Theymustrunlongdistances.B.Theyarequalifiedforthemarathon.C.Theyhavetofollowspecialrules.D.Theyaregoodatswingingtheirlegs.分析:由题干中的conditionedathletes找到此段，由段中But后的内容"但是这项运动的规则要求竞走选手的膝盖在摆腿的大部分时间里要保持笔直，一只脚要始终与地面接触"可知，这些运动员必须遵守特殊的规则，故选C项。正确选项是对原因的高度概括。why问句，问目的多数出现在研调或科普说明文中。题干通常是"why+研究者(researchers）或团队(teams）或组织等完成一件事"，材料中命题点所在的句子的主体跟题干的主语基本一致。四个选项均为不定式，正确选项往往是文本材料的同义转换或高度概括。其命题点有以下两种情况:1.表示目的的不定式处(2018年全国Ⅰ卷D篇〉wemaythink...Thatsbadnewsfortheenvironment一andourwallets-astheseoutdateddevicesconsumemuchmoreenergythantheneweronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing，CallieBabbittandhercolleaguesattheRochesterInstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife...33.WhydidBabbitt'steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdateconsumersonnewtechnology.D.Tofindoutelectricityconsumptionofthedevices.分析:由题干中的Babbitt可定位到第二段，由第一句中表示目的的不定式”(Tofigureout...未来弄清楚这些设备到底用了多少电)”可知，选D项。2.问题解决处Asdataandidentitytheftbecomesmoreandmorecommon，themarketisgrowingforbiometric(生物测量)technologies—likefingerprintscans—tokeepothersoutofprivatee-spaces.Atpresent,thesetechnologiesarestillexpensive，though.ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalow-costdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏）withwhichonetypesandthepressurefingersapplytoeachkey.28.Whydotheresearchersdevelopthesmartkeyboard?A.Toreducepressureonkeys.B.Toimproveaccuracyintyping