单元达标基础落实Ⅰ.选词填空1．Takeexerciseregularlyanditwillbe________toyourhealth.2．Manystoreshaveadeliveryserviceforthe________ofcustomers.3．I’d________itifyouwouldliketoteachmehowtousethecomputer.4．Whoshouldbe________fortheaccident?5．Amanhasbeen________andisbeingquestionednow.Ⅱ.用课文中的词语/句子替换划线部分1．What_benefits_do_bicycles_have_that_cars_don’t_have?________________2．I’vebeenhavingashowerdressed_in_my_clothes.________________3．...thistimethere_is_a_computer_chip_to_keep_a_record_of_its_every_trip.________________4．Haveyouevertravelledalongdistanceby_yourself？________________5．Whichwordsbetray_this_secret？________________能力提升阅读理解AHalfoftheworld’spopulationisaffectedbyAsianmonsoons(季风)，butmonsoonsaredifficulttopredict.Americanresearchershaveputtogethera700-yearrecordoftherainyseasons，whichisexpectedtoprovideguidanceforexpertsmakingweatherpredictions.Everyyear，moist(潮湿的)airmasses，knownasmonsoon，producelargeamountsofrainfallinIndia，EastAsia，NorthernAustraliaandEastAfrica.AllthiswetairispulledinbyahighpressureareaovertheIndianOceanandalowpressureareatothesouth.AccordingtoEdwardCook，aweatherexpertatColumbiaUniversityinNewYork，thecomplexnatureoftheclimatesystemsacrossAsiamakesmonsoonshardtopredict.Inaddition，climaterecordsfortheareaaretoorecentandnotdetailedenoughtobeofmuchuse.Therefore，heandateamofresearchersspentmorethanfifteenyearstravelingacrossAsia，lookingfortreesoldenoughtoprovidelongtermrecords.Theymeasuredtherings，orcircles，insidethousandsofancienttreesinmorethan300places.Rainfallhasadirectlinktothegrowthandwidthofringsonsomekindsoftrees.TheresearchersdevelopedadocumenttheyarecallingaMonsoonAsiaDroughtAtlas.Itshowstheeffectofmonsoonsoversevencenturies，beginninginthe1300s.ProfessorCooksaysthetreeringrecordsshowperiodsofwetanddryweather.“Ifthemonsoonbasicallyfailsorisaveryweakone，thetreesaffectedbymonsoonsatthatlocationmightputonaverynarrowring.Butifthemonsoonisverystrong，thetreesaffectedbythatmonsoonmightputonawideringforthatyear.So，thewideandnarrowringwidthsofthechronologythatwedevelopedinAsiaprovideuswithameasureofmonsoonvariability.”Withallthisinformation，researcherssaytheycanbegintoimprovecomputerclimatemodelsforpredictingthebehaviorofmonsoons.“Therehasbeenwidespreadfamineandstarvationandhumandyinginthepastinlargedroughts.Andontheotherhand，ifthemonsoonisparticularlyheavy，itcancauseextensiveflooding”，saidEugeneWahl，ascientistwithAmerica’sNationalOceanicandAtmosphericAdministration.“So，togetasenseofwhattheregionalmoisturepatternshavebeen，drynessandwetnessoversuchalongperiodoftimeingreatdetail，Iwouldcallitakindofvictoryforclimatescience.”1．What’sthepassagemainlyabout?A．TheeffectsofAsianmonsoons.B．Thenecessityofweatherforecast.C．TheachievementsofEdwardCook.D．Abreakthroughinmonsoonprediction.2．ItisdifficultforexpertstopredictAsianmonsoonsbecause________.A．itishardtokeeplongtermclimaterecordsB．theyareformedundercomplexclimatesystemsC．theyinfluencemanynationsD．thereisheavyrainfallinAsia3．Whatcanbeinferredfromthepassage?A．Longanddetailedclimaterecordscanofferusefulinformationformonsoonresearch.B．TheMonsoonAsiaDroughtAtlashasamonsoonrecordforabout1,300years.C．Thetreesaffectedbymonsoongrowfastifthemonsoonisweak.D．Therainfallmightbelowalthoughthemonsoonisstronginmonsoon-affectedareas.4...
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