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1、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。依据短文内容，从每题所给的A、B、C、D四个选项中选出最正确答案。AArtificialintelligence(AI，人工智能)canhelpusmakephonecalls.Itcanguideustowherewewanttogo.Itcanplaygames.Andnow，AIcandoevenmorethings.ResearchersfromMicrosofthavecreatedthefirstmachinetranslationsystemthatcantranslatenewsarticlesfrom
2、ChinesetoEnglish.Theresearcherstestedthesystembyaskingittotranslatehundredsofsentencestakenfromnewsstories.Then，languageexpertscomparedtheresultstothetranslationthatweredonebyhumans.Theexpertssaidthatthesystemstranslationswereasgoodasthehumantranslations.Expertsusedseveralmethodstoimprovethesystemst
3、ranslationabilities.“Muchofourresearchisreallylearnedfromhowwehumansdothings，”leadresearcherLiuTieyansaid.Onemethodiscalledduallearning(对偶学习).Inthismethod，thesystemtranslateseverysentencefromChinesetoEnglish，aswellastranslatesthesentencesbackfromEnglishintoChinese.Thisway，thesystemcanimproveitselfan
4、dlearnfromitsownmistakes.Thisissimilartowhathumansdotomakesuretheirtranslationsareexact.Anothermethodmakesuseofdeliberationnetworks(斟酌网络)Theresearcherstaughtthesystemtorepeattheprocessoftranslatingthesamesentenceoverandover.Gradually，thesystemcanimprovethequalityofitstranslations.Thisissimilartohowp
5、eoplecorrecttheirownwritingbygoingthroughitagainandagain.()1.Microsoftcreatedasystemthatcan_.A.makephonecallsB.givepeopledirectionsC.playgameswithpeopleD.translatenewsarticles()2.Whatdidtheexpertssayaboutthesystemstranslations?A.Theywerenotexact.B.Theywereasgoodashumantranslations.C.Theywerebetterth
6、anhumantranslations.D.Itshardtotellwhetherthetranslationswerecorrect.()3.Duallearningtrainsthesystemtotranslate_.A.morequicklyB.differentsentencesC.moreexactlyD.thesamesentencerepeatedly1()4.Theunderlinedword“it”inthelastparagraphrefersto_.A.duallearningB.theprocessC.thesystemD.peoplesownwriting()5.
7、Thepassagewantstotellus_.A.whatartificialintelligencecandoforusB.howsentencesaretranslatedfromChinesetoEnglishC.howthemachinetranslationsystemwasdevelopedD.whyMicrosoftcreatedamachinetranslationsystemBTeenagersareknownforbeingcreativeandfullofnewideas.Letshavealookattheseteenageinventionsthatmightch
8、angetheworld.Bananaleavesusuallygobadintwoorthreedays.TenthHadith,ateenagerfromIndia,usedUVtomaketheleavesstayfreshforayear.Tenththinksthatonedaytheleaveswillbeusedformakingplates,cupsandotherthings.DavidCohen,anAmericanteenager,builtanearthworm(蚯蚓)robot.Itisabletogointothesmallestplaces,wherehumans
9、ordogscantgo.Itwillbeusedforfindingpeopleinafireoranearthquake.RemyaJose,a14-year-oldfromIndia,foundittiringandboringtohandwashclothesinthenearbyriver.Shereusedsomebicyclepartsandcreatedawashingmachinethatsavestime,energyandkeepspeoplefitatthesametime.KennethShinozuku,a15-year-oldfromNewYork,noticed
10、thathisgrandfatherwhogotAlzheimersdisease（老年痴呆）wouldoftenleavehomeandgetlost.Soheinventedthewearablesensors(感觉器)tohelppeoplefindtheirfamilymemberslikehisgrandfather.()1.Whatisthepassagemainlyabout?A.PopularadsB.UsefulmachinesC.Strangepictures.D.Teenageinventions()2.TheearthwormrobotbyDavidCohencan_.
11、A.makethingsstayfresh2B.helppeoplewashclothesC.gointothesmallestplacesD.takecareoftheoldpeople()3.WhichofthefollowingisTRUEA.Platesandcupsaremadeoffreshbananaleaves.B.Remyaswashingmachinecanalsokeeppeoplefit.C.DavidCohenisamiddleschoolstudentfromIndia.D.Kennethswearablesensorswillkeepoldpeopleathome
12、.CTechnologyiseverywhere.Weseeitanyplacewegoand，infact，almostallofuscarrysomepieceoftechnologywithuseverytimeweleavethehouse.WhatIalwaysforget，though，isjusthowusefulandpowerfultechnologycanbewhenwewanttohelpothersThereisnotasingleroominmyhousethatdoesnothavesomeelectronicdevices（设施）lyingaroundinit.W
13、heneverIamathome，Iamalmostalwaysusingatleastoneelectronicdevice.Ifyouwalkedintomylivingroomonanygivenday，youwouldfindthat，first，Ihavethetelevisionon.Atthesametime，Iusuallyhavemylaptoprestingonmyknee，orIwillbeusingmymobilephone，EvenwhenimnotathomeIamalwaysusingmyphone，andatworkorincafes，Isitdownandconnecttothelocalwirelessnetworkonmyopic.ImustsaythatIwastealotoftimeonthecomputerandthetimeIspendonitcouldbemuchbetterspentifIweretotakeupalittleonlinevolunteeringThetechnologywecarryabouteverywherecanhaveagreatpowertodogoodfortheworldandtohelpoth
