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1、Unit1Laughterisgoodforyou课时练1 阅读理解提速练[学生用书P308(单独成册)]阅读理解A(2019·济南针对性训练)Nathan,afreshmanstudentatSanMarinoHighSchoolinCalifornia,U．S.,doesn’tlikedoinghouseworkanymorethananybodyelse.Buthesaiddoingitmadehimwonderwhyhotwaterworkedbetterthancoldwaterwhenwashingupafterd
2、inner,andwhatmadesoapagoodcleaner.Theexperimentshedesignedtofigureoutthesethingsearnedhimthetopprizeatthe2016BroadcomMASTERS.MASTERSstandsforMath,AppliedScience,TechnologyandEngineeringforRisingStars.Everyyear,theeventbringstogether30middleschoolstudentsfromaroundth
3、ecountrytosharetheirscienceprojects.“Atfirst,Ithoughtthatmyideaswerenaive，”theteenagertoldStudentScience.“ButwhenIwaspresentedwiththisspecialaward,itprovedthatyounginventorscanactuallydealwithrealworldproblems.”InspiredbyreportsoftheDeepwaterHorizonoilspillintheGulf
4、ofMexico,heconnectedwashingdishestocleaningoilspills.“IdecidedthatIwantedtofindamethodforcleaningthat’sbothefficientandenvironmentallyfriendly，”NathantoldStudentScience.Sohecreatedhisownsetupformeasuringsurfacetension—ascientifictermthatreferstothetensionofalayerofl
5、iquid.Heendeduplearningwhysoapandhotwaterarebetterforcleaning,andawaytoremoveoilfromwater.“Scienceandmathhelpyouunderstandtheworldaroundyou.Youcanlearnitfrombooksandteachers,butyoucanalsodiscoverityourselfbydoingscienceprojects.”Heevenplanstosellhissetuptoschools,so
6、otherteenscandohisexperimentandlearnhistheory.Whenaskedhissecrettosuccess,hesaidtokeepasciencefairprojectsimpleatfirst.“Breakdowntheproblemintosmaller,manageablesteps,sointhatway,youwillbeabletoknowwhatyouaredoingandbuildonyourknowledgegradually.”【解题导语】 本文主要介绍了一个美国高
7、中生的创造发明获得MASTERS奖的故事。1．WhatdoweknowaboutNathan?A．Heenjoysdoinghousework.B．Hewantstocleanupoilspills.C．Hefiguredouthowcleaningworked.D．Hewonmanyprizesforhisfancyideas.C 解析：细节理解题。根据第一段第二句“Buthesaiddoingitmadehimwonderwhyhotwaterworkedbetterthancoldwaterwhenwashingupaf
8、terdinner,andwhatmadesoapagoodcleaner.”和第四段最后一句“Heendeduplearningwhysoapandhotwaterarebetterforcleaning，andawaytoremoveoilfromwater.”可知，Na
