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1、甘肃省通渭县第二中学2016-2017学年高一英语上学期期中试题试题总分120分第一部分：阅读理解（共两节，满分30分）第一节（共10小题；每小题2分，满分20分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中选出最佳选项并在答题卡上将该项涂黑。AWhentheweatherishot,yougotoalakeoranocean.Whenyouarenearalakeoranocean,youfeelcold.Why?Thesunmakestheearthhotbutitcannotmakethewaterveryhot.Althoughtheairoverth
2、eearthbecomeshot,theairoverthewaterstayscool.Thehotairovertheearthgoesup.Thenthecoolairoverthewatermovesinandtakestheplaceofthehotair.Whenitmovesin,youfeelthewind.Andthewindmakesyoucool.Ofcourse,scientistscannotanswerallofourquestions.Ifweask,“Whyistheoceanful1ofsalt?”Scientistswi11sayth
3、atthesalt.comesfromrocks.Whenarockgetsveryhotorverycold,itcracks（断裂）.Rainfallsintothecracks.Therainthencarriesthesaltintotheocean・Butthenweask,"Whathappenstothesaltintheocean?"Theoceandoesnotgetmoresaltyeveryyear・Scientistsarenotsureabouttheanswertothisquestion.Weknowalotaboutourworld.Bu
4、ttherearestillmanyanswersthatwedon'thave,andwearecuriousabout・1.Themainideaofthispassageisthat.A.peoplefeelhotwhentheyarenearalakeoranoceanB.scientistscanexplainmanythings,butnoteverythingC.scientistscanexplaineverythingabouttheoceanD.thesaltintheoceancomesfromrocks2.Nowscientistsknow—.A
5、.whathappenstothesaltintheoceanB.everythingabouttheoceanC.whatmakespeoplefeelcoolnearalakeoranoceaninsummerD.whytheoceandoesnotgetmoreandmoresalty3・Arockcrackswhen.A.rainfallsB.itgetsveryhotC・itgetsverycoldD・bothCandDBAyoungfatherwasvisitinganoldneighbor.Theywerestandingintheoldman"sgard
6、en,andtalkingaboutchildren.Theyoungmansaid,"Howstrictshouldparentsbewiththeirchildren?"Theoldmanpointedtoastring（细绳）betweenabigstrongtreeandathinyoungone."Pleaseuntie（解开）thatstring,”hesaid.Theyoungmanuntiedit,andtheyoungtreebentovertooneside.aNowtieitagain,please.”saidtheoldnum."Butfirst
7、pullthestringtightsothattheyoungtreeisstraightagain.，'Theyoungmandidso.Thentheoldmansaid,“There,itisthesamewithchildren.Youmustbestrictwiththem,butsometimesyoumustuntiethestringtoseehowtheyaregettingon.Tftheyarenotyetabletostandalone,youmusttiethestringtightagain.Butwheny
