中考英语专项练习阅读理解之科普知识与现代科技.docx
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中考英语专项练习阅读理解之科普知识与现代科技.docx
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中考英语专项练习阅读理解之科普知识与现代科技
2019年中考英语专项练习—阅读理解之科普知识与现代科技含答案
第一节阅读理解。
根据短文内容,从每题所给的A、B、C、D四个选项中选出最佳答案。
A
Artificialintelligence(AI,人工智能)canhelpusmakephonecalls.Itcanguideustowherewewanttogo.Itcanplaygames.Andnow,AIcandoevenmorethings.
ResearchersfromMicrosofthavecreatedthefirstmachinetranslationsystemthatcantranslatenewsarticlesfromChinesetoEnglish.
Theresearcherstestedthesystembyaskingittotranslatehundredsofsentencestakenfromnewsstories.Then,languageexpertscomparedtheresultstothetranslationthatweredonebyhumans.Theexpertssaidthatthesystem'stranslationswereasgoodasthehumantranslations.
Expertsusedseveralmethodstoimprovethesystem'stranslationabilities.“Muchofourresearchisreallylearnedfromhowwehumansdothings,”leadresearcherLiuTieyansaid.
Onemethodiscalledduallearning(对偶学习).Inthismethod,thesystemtranslateseverysentencefromChinesetoEnglish,aswellastranslatesthesentencesbackfromEnglishintoChinese.Thisway,thesystemcanimproveitselfandlearnfromitsownmistakes.Thisissimilartowhathumansdotomakesuretheirtranslationsareexact.
Anothermethodmakesuseofdeliberationnetworks(推敲网络).Theresearcherstaughtthesystemtorepeattheprocessoftranslatingthesamesentenceoverandover.Gradually,thesystemcanimprovethequalityofitstranslations.Thisissimilartohowpeoplecorrecttheirownwritingbygoingthroughitagainandagain.
()1.Microsoftcreatedasystemthatcan________.
A.makephonecalls
B.givepeopledirections
C.playgameswithpeople
D.translatenewsarticles
()2.Whatdidtheexpertssayaboutthesystem'stranslations?
A.Theywerenotexact.
B.Theywereasgoodashumantranslations.
C.Theywerebetterthanhumantranslations.
D.It'shardtotellwhetherthetranslationswerecorrect.
()3.Duallearningtrainsthesystemtotranslate________.
A.morequickly
B.differentsentences
C.moreexactly
D.thesamesentencerepeatedly
()4.Theunderlinedword“it”inthelastparagraphrefersto________.
A.duallearning
B.theprocess
C.thesystem
D.people'sownwriting
()5.Thepassagewantstotellus________.
A.whatartificialintelligencecandoforus
B.howsentencesaretranslatedfromChinesetoEnglish
C.howthemachinetranslationsystemwasdeveloped
D.whyMicrosoftcreatedamachinetranslationsystem
B
Teenagersareknownforbeingcreativeandfullofnewideas.Let’shavealookattheseteenageinventionsthatmightchangetheworld.
Bananaleavesusuallygobadintwoorthreedays.TenthHadith,ateenagerfromIndia,usedUVtomaketheleavesstayfreshforayear.Tenththinksthatonedaytheleaveswillbeusedformakingplates,cupsandotherthings.
DavidCohen,anAmericanteenager,builtanearthworm(蚯蚓)robot.Itisabletogointothesmallestplaces,wherehumansordogscan’tgo.Itwillbeusedforfindingpeopleinafireoranearthquake.
RemyaJose,a14-year-oldfromIndia,foundittiringandboringtohandwashclothesinthenearbyriver.Shereusedsomebicyclepartsandcreatedawashingmachinethatsavestime,energyandkeepspeoplefitatthesametime.
KennethShinozuku,a15-year-oldfromNewYork,noticedthathisgrandfatherwhogotAlzheimer'sdisease(老年痴呆)wouldoftenleavehomeandgetlost.Soheinventedthewearablesensors(感应器)tohelppeoplefindtheirfamilymemberslikehisgrandfather.
()1.Whatisthepassagemainlyabout?
A.Popularads
B.Usefulmachines
C.Strangepictures.
D.Teenageinventions
()2.TheearthwormrobotbyDavidCohencan______.
A.makethingsstayfresh
B.helppeoplewashclothes
C.gointothesmallestplaces
D.takecareoftheoldpeople
()3.WhichofthefollowingisTRUE
A.Platesandcupsaremadeoffreshbananaleaves.
B.Remya'swashingmachinecanalsokeeppeoplefit.
C.DavidCohenisamiddleschoolstudentfromIndia.
D.Kenneth'swearablesensorswillkeepoldpeopleathome.
C
Technologyiseverywhere.Weseeitanyplacewegoand,infact,almostallofuscarrysomepieceof
technologywithuseverytimeweleavethehouse.WhatIalwaysforget,though,isjusthowusefulandpowerfultechnologycanbewhenwewanttohelpothers
Thereisnotasingleroominmyhousethatdoesnothavesomeelectronicdevices(设备)lyingaroundinit.WheneverIamathome,Iamalmostalwaysusingatleastoneelectronicdevice.Ifyouwalkedintomylivingroomonanygivenday,youwouldfindthat,first,Ihavethetelevisionon.Atthesametime,Iusuallyhavemylaptoprestingonmyknee,orIwillbeusingmymobilephone,Evenwheni'mnotathomeIamalwaysusingmyphone,andatworkorincafes,Isitdownandconnecttothelocalwirelessnetworkonmyopic.
ImustsaythatIwastealotoftimeonthecomputerandthetimeIspendonitcouldbem
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