高一英语上册课时作业21

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1、课时作业(十五)　Unit4　EarthquakesSectionⅢ　LearningaboutLanguage&UsingLanguage(本栏目内容，在学生用书中以独立形式分册装订！)Ⅰ.单句语法填空1．Amanshould________________(judge)byhisdeeds，notbyhisappearance.答案：　bejudged2．Shefeltgreatly________(honour)tohavebeeninvitedtogivealectureatthemeeting.答案：　honoured3．I

2、t’ssaidthattherewasacaraccidentlastnight，killingfivepeopleandmakingmore________(injure)．答案：　injured4．WesentNancyour________(congratulate)onherwinningthegoldmedalinthe1,500metersrace.答案：　congratulations5．Asweallknow，agood________(report)hasanosefornews.答案：　reporter6．Some

3、________(cycle)wentthroughtheredlight，whichwasverydangerous.答案：　cyclists7．I________(sincere)hopethatyourecoverhealthquicklyaftertheoperation.答案：　sincerely8．John________________(study)inhisroomwhenheheardsomeonescreaming.答案：　wasstudying9．________isknowntous，theWestLakeis

4、famousforitsbeauty.答案：　As10．Withnoonetoturntoinsucha________(frighten)situation，shefeltveryhelpless.答案：　frighteningⅡ.阅读理解AEverybodyhatesrats.Butintheearthquakecapitalsoftheworld—Japan，LosAngeles，Turkey—ratswillsoonbeman’sbestfriends.Whathappensafteranearthquake？Wesendin

5、rescuedogs.Why？Becausetheycansmellpeople.Dogssavelives.Theyhelprescuerstofindlivingpeople.Butdogsarebigandtheycan’tgetintosmallspaces.Sonowanewresearchprojectisusingasmalleranimaltosavelives：therat.Howdoesitwork？First，theratistrainedtosmellpeople.Whenthishappens，therat’

6、sbraingivesasignal(信号)．Thisissenttoasmallradioonitsback，andthentherescuersfollowtheradiosignals.Whentherat’sbrainactivityjumps，therescuersknowthatsomeoneisalive.Therathassmelledthatperson.Althoughtherearealreadyrobotswhichcandothisjob，ratsarebetter.ChristianLinsteratCor

7、nellUniversity，NewYork，says，“Robots’nosesdon’tworkwellwhenthereareothersmellsaround.Ratsaregoodatthat.”Ratscanalsoseeinthedark.Theyarecheaperandquickertotrainthandogs，andunlikerobots，theydon’tneedelectricity!The“ratproject”isnotfinished，butJulieRyanofInternationalRescue

8、CorpsinScotlandsays，“Itwouldbefantastic.Aratcouldgetintospaceswecouldn’tgetto，andaratwouldgetoutifitwasn’tsafe