2019-2020年高考英语二轮复习 完形填空能力练习（5）

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1、2019-2020年高考英语二轮复习完形填空能力练习（5）xx高考完形填空训练题。阅读下面短文.从短文后各题所给的四个选项(A、B、C、和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。Wealllikeasweettreat.Butsugarcanbetoomuchofagoodthing.That'swhyalotof41,suchasbreadandcakes,containartificial(人工的）sweeteners.Thefirstonewasactuallyatasty42.Inthelate1870s.ConstantinFahlbergwas_43a

2、tworkinhislabwhenabeaker(烧杯)ofchemicals44tippedover.Heclearedawaythemessbutthe45chemicalsspilledalloverhis46.Withouthesitatingtowash，Fahlbergwentonwithhiswork.Whenhewenthometo47，thechemicalremainswas48onhisfingers.Sittingdownatthetablewithhis49hands,Fahlbcrgbeganhismeal.Whenthechemist50intoapiec

3、eofbreadhe'dpickedup，ittastedstrangely51.Itwasn'tthebread.Itwassomethingonhishandsthatgotontothebread.But52?Fahlbergrushedbacktowork.Hetastedeverythingin53,buttheywerenotexactlythechemicalsinthelab.Eventually,thechemist54whathewaslookingfor:Thematterinthebeakerthathadspilledwassweet-muchsweetert

4、hansugar.He55hisdiscoverysaccharin（糖精），thefirstartificialsweetener.Dirty?delicious!Ifthis56showsusanything,it'sthatweallmakemistakes,andthat'snot57.Mistakesoftentakeusinnew58andhelpusinventnewthings.Peoplewhosaysomethingisimpossiblearen'talwaysright.Alotofthingswere“impossible”beforesomeone59how

5、todothem.Ifyoudon't60rightaway,don'tbeafraidtotryagainandagain.41、A、foodB、drinksC、plantsD、things42、A.dishB、candyC、breadD、surprise43、A、goodB、carelessC、hardD、absent44、A、automaticallyB、accidentallyC、naturallyD、gradually45、A、dangerousB、poisonousC、harmlessD、useless46、A、handsB、armsC、legsD、feet47、A、res

6、tB、eatC、workD、sleep48、A、everB、stillC、alwaysD、possibly49、A、bigB、busyC、dirtyD、rough50、A、bitB、putC、dippedD、broke51、A、bitterB、deliciousC、sweetD、wonderful52、A、whatB、howC、whyD、where53、A、timeB、placeC、orderD、sight54、A、realizedB、knewC、understoodD、thought55、A、madeB、namedC、showedD、gave56、A、chemistB、experim

7、entC、discoveryD、question57、A、goodB、trueC、wrongD、bad58、A、feelingsB、directionsC、problemsD、attitudes59、A、lookedintoB、madeupC、triedonD、figuredout60、A、succeedB、winC、achieveD、start完形填空（每小题1.5分；满分30分）41---45ADCBC46---50ABBCA51---55