中考英语专项练习阅读理解之科普知识与现代科技.docx

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