六年级英语 小升初每日一练（39）（无答案） 闽教版.doc

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1、小升初英语每日一练（39）　　一、根据汉语写单词　　1.Isaidalottothem,andatlastthey           (同意).　　2.You’dbettersaythat           (再).Hecan’tfollowyou.　　3.Oh,how           (优美)thispieceofmusicsounds!　　4.Flowerwillsoon           (死)ifwedon’toftenwaterthem.　　5.Five           

2、(外国人)wereshownaroundtheirfactorylastSaturday.　　二、普通阅读　　Leavesarenature’sfoodfactories.Plantstakewaterfromthegroundthroughtheirroots.Theytakeagas　　calledcarbondioxide(CO2)fromtheair.PlantsusesunlighttoturnwaterandCO2intoglucose.Glucose　　isakindofsugar

3、.Plantsuseglucoseasfoodforenergy(f&ft)togrow.ThewayplantsturnwaterandCO2　　intoglucoseiscalledphotosynthesis.Thatmeans"puttingtogetherwithlight.”Achemicalcalled　　chlorophyllhelpsmakephotosynthesishappen.Chlorophyllisgreen.Itgivesplantstheirgreencolor.

4、　　Assummerendsandautumncomes,thedaysgetshorterandshorter.Thisishowthetrees"know"to　　begingettingreadyforwinter.　　Duringwinter,thereisnotenoughlightorwaterforphotosynthesis.Thetreeswillrest,andliveonthefood　　theyhavestoredduringthesummer.Theybegintocl

5、osetheirfood—makingfactories.The3green　　chlorophylldisappearsfromtheleaves.Then,webegintoseeyellowandorangecolors.Afewofthese　　colorsstayintheleavesallthetime.Wejustcan’tseetheminthesummer,becausetheyarecoveredup　　bythegreenchlorophyll.　　Redandpurple

6、coloursweseeinleavesaremademostlyintheautumn.Insometrees,likemaples(枫树)　　，glucoseisstoredintheleavesafterphotosynthesisstops.Sunlightandthecoolnightsofautumnturn　　thisglucoseintored.Thebrowncoloroftreeslikeoaks(橡树)ismadefromwastesleftintheleaves.　　1.

7、Theword"chlorophyll"inthefirstparagraphmeans          inChinese.　　A．叶绿素    B．氧气    C．胡萝卜素    D．蛋白质　　2.WhereisCO2from?　　A.Ground. B.Roots.  C. Sunlight.  D.Air.　　3.Theway          iscalledphotosynthesis.　　A.plantsgetCO2fromtheair　　B.plantstakewaterfro

8、mtheground　　C.plantsturnwaterandCO2intoglucose　　D.plantsuseglucoseasfoodforenergytogrow　　4.Redandpurplecolorsinleavesaremademostlyin         .　　A.spring     B.autumn C.summer     D.winter　　5.   whatintheleaveschangesintoredcolorinautumn.　　A.Sunlight