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时间:2021-01-02
《人教版高中英语必修五Unit3Lifeinthefuturelearningaboutlanguage(6).docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯Unit3Lifeinthefuturelearningaboutlanguage课时作业AEverybodyhatesrats.Butintheearthquakecapitalsoftheworld—Japan,LosAngeles,Turkey—ratswillsoonbeman'snewbestfriends.Whathappensafteranearthquake?Wesendinrescuedogs.Why?Becausetheycansmellpeople.Dogssavelives.
2、Theyhelprescuerstofindlivingpeople.Butdogsarebigandtheycan'tgetintosmallspaces.Sonowanewresearchprojectisusingasmalleranimaltosavelives:therat.Howdoesitwork?First,theratistrainedtosmellpeople.Whenthishappens,therat'sbraingivesasignal(信号).Thisissenttoasmallradioonitsback,andthentherescuersfollowther
3、adiosignals.Whentherat'sbrainactivityjumps,therescuersknowthatsomeoneisalive.Therathassmelledthatperson.Althoughtherearealreadyrobotswhichcandothisjob,ratsarebetter.ChristianLinsteratCornellUniversity,NewYork,says,“Robots'nosesdon'tworkwellwhenthereareothersmellsaround.Ratsaregoodatthat.Ratscan”als
4、oseeinthedark.Theyarecheaperandquickertotrainthandogs,andunlikerobots,theydon'tneedelectricity!The“ratprojectisnot”finished,butJulieRyanofInternationalRescueCorpsinScotlandsays,“Itwouldbefantastic.Aratcouldgetintospaceswecouldn'tgetto,andaratwouldgetoutifitwasn'tsafe.”Perhapsforthefirsttimeinhistor
5、y,peoplewillbehappytoseearatinabuilding(butonlyafteranearthquake,ofcourse.)1.Fromthethirdparagraphweknowtherescuerscanjudgeapersonisaliveby________.A.thenoisemadebytheratB.therat'sunusualbehaviourC.thesignalsentbytheradioontherat'sbackD.thesmellgivenoffbytheperson2.Indoingrescuejobs,________.A.rats
6、smellbetterthandogsB.dogsdon'tneedtobetrainedtosmellpeopleC.robots'senseofsmellcanbeaffectedbyothersmellsaroundD.ratscanseeinthedarkandaresmallerthanrobots3.RatshaveallthefollowingadvantagesEXCEPTthat________.A.theyaremorefantasticthanotheranimalsB.theyarelessexpensivetotrainthandogsC.theydon'tneed
7、electricityD.theyaresmallandcangetintosmallplaces1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯4.Afterreadingthepassageweknow________.A.atpresentratshavetakentheplaceofdogsinsearchingforpeopleB.the“ratpro
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