2018届高考英语大一轮复习 unit 2 cloning课时规范训练 新人教版选修8

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1、Unit2CloningⅠ.阅读理解A(2016·高考全国乙卷)IamPeterHodes，avolunteerstemcellcourier.SinceMarch2012，I'vedone89trips—ofthose,51havebeenabroad.Ihave42hourstocarrystemcells(干细胞)inmylittleboxbecauseI'vegottwoicepacksandthat'showlongtheylast.Inall，fromthetimethestemcel

2、lsareharvestedfromadonor(捐献者)tothetimetheycanbeimplantedinthepatient，we'vegot72hoursatmost.SoIamalwaysconsciousoftime.IhadonetriplastyearwhereIwascaughtbyahurricaneinAmerica.IpickedupthestemcellsinProvidence，RhodeIsland，andwasmeanttoflytoWashingtonthe

3、nbacktoLondon.ButwhenIarrivedatthecheckindeskatProvidence，theladyonthedesksaid：“Well，I'mreallysorry，I'vegotsomebadnewsforyou—therearenoflightsfromWashington.”SoItookmyboxandputitonthedeskandIsaid：“Inthisboxaresomestemcellsthatareurgentlyneededforapati

4、ent—please，please，you'vegottogetmebacktotheUnitedKingdom.”Shejustdroppedeverything.Shearrangedforaflightonasmallplanetobeheldforme，rerouted(改道)methroughNewarkandgotmebacktotheUKevenearlierthanoriginallyscheduled.Forthiscourierjob，you'reconsciouslyawar

5、ethatinthatboxyou'vegotsomethingthatispotentiallygoingtosavesomebody'slife.【语篇导读】　本文是一篇记叙文。大家都知道，医生是救死扶伤的典范，作者虽然不是医生，但他的工作也与很多人的性命息息相关，大家快来读一读文章，了解一下他的工作吧！1．Whichofthefollowingcanreplacetheunderlinedword“courier”inParagraph1?A．provider　　　　　　　　B．delive

6、rymanC．collectorD．medicaldoctor解析：选B。词义猜测题。根据画线单词后的I'vedone89trips以及．..fromthetimethestemcellsareharvestedfromadonortothetimetheycanbeimplantedinthepatient，we'vegot72hours...可知，“我”是一个运送干细胞的人，运送有严格的时间限制，故B项“送货员”与之相符合。其他三项的意思：provider供应者；collector收集者，收藏

7、家；medicaldoctor医生。2．WhydoesPeterhavetocompletehistripwithin42hours?A．Hecannotstayawayfromhisjobtoolong.B．Thedonorcanonlywaitforthatlong.C．Theoperationneedsthatmuchtime.D．Theicewon'tlastanylonger.解析：选D。细节理解题。根据第一段的Ihave42hourstocarrystemcellsinmylittle

8、boxbecauseI'vegottwoicepacksandthat'showlongtheylast.可知，保存干细胞的冰只能维持42个小时，所以“我”必须在这个时间内送达，D项与之相符合。A、B、C三项在文中未提及。3．WhichflightdidthewomanputPeteronfirst?A．ToLondon.B．ToNewark.C．ToProvidence.D．ToWashington.解析：选B。细节理解题。根据第二段的最后一句Shearrangedforafli