生态系统与环境保护时间35分钟班级________姓名________1.(2011·江苏调研)某生态系统有四种生物,并构成一条食物链在某一时间确定这四｡种...
人体的内环境与稳态时间35分钟班级________姓名________1．(2010·安徽卷，5)下列关于内环境的叙述，正确的是()A．内环境的渗透压下降会刺...
酶与ATP时间35分钟班级________姓名________1．(2011·大同模拟)下列有关酶的叙述，正确的是()A．酶的基本组成单位都是氨基酸B．低温、高温...
基因结构与基因工程时间35分钟班级姓名1．人的血红蛋白中有一种β－珠蛋白，编码它的基因中含有1700个碱基对，其中有3个外显子，2个内含子...
动物和人体生命活动的调节时间35分钟班级________姓名________1．(2009·湖北八校联考)“神舟六号”两位航天员共在太空进餐15次，回到地面...
动物代谢与新陈代谢类型时间35分钟班级________姓名________1．下列关于营养与健康的叙述不合理的是()A．大病初愈者适宜进食蛋白质含量丰富...
1．—MichaelwaslateforMr.Smith'soralclassthismorning.—________________？AsfarasIknow,henevercamelatetoclass.A.HowcomeB.SowhatC.Wh...
1.OneofthemostimportantquestionstheyhadtoconsiderwasofpublichealthA.whatB.thisC.thatD.which2.Ourneighborsgaveababybirdyesterdaytha...
1.Jim,youleaveallyourschoolthingsonthefloorlikethis!A.wouldn'tB.mustn'tC.needn'tD.maynot2.—Don'tyouthinkitnecessarythathetoMiamib...
1.I'dpreferto______myjudgementuntilIfindalltheevidence.A．showB．expressC．passD．reserve2.Asthestory________，thetruthaboutthestr...
1.Hewrotethepoem_______hisfriend.2.Ihavenodreams_______tohaveahappylife.A.ratherthanB.otherthanCbetterthanD.lessthan3．Joedoesn'tl...
1.Seanhasformedthehabitofjogging______thetree-linedavenuefortwohourseveryday.A.betweenB.alongC.belowD.with2.Iagreetohissuggestion_...
1．Mybrotherisnotinverygoodshape,sohehas________tennistogetfit.A．madeupB．builtupC．takenupD．heldup2．Ourcarbrokedownsuddenlyand...
1.—Youlookupset.What'sthematter?—Ihadmyproposal________again.A．turnedoverB．turnedonC．turnedoffD．turneddown2.Ican________theh...
1.Everyfewyears,thecoalworkers________theirlungsXrayedtoensuretheirhealth.A．arehavingB．haveC．havehadD．hadhad2.—Wereyousurpris...
1．I________havebeenmorethansixyearsoldwhentheaccidenthappened.A.shouldn'tB.couldn'tC.mustn'tD.needn't2.Hehavecompletedhishomework...
1．Morethanadozenstudentsinthatschool________abroadtostudymedicinelastyear.A．sentB．weresentC．hadsentD．hadbeensent2．Bytheendof...
1.--Iwasridingalongthestreetandallofasudden,aearcutinandknockedmedown.--Youcanneverbe________carefulinthestreet.A.muchB.veryC.soD....
1．Mikeinsistedthathe____nothingwrongand____free.A.did…setB.haddone…besetC.do…shouldbesetD.haddone…mustbeset2．Jane’spaleface...
1.Generallyspeaking,accordingtothedirections,thedrughasnosideeffect.A．whentakingB．whentakenC．whentotakeD．whentobetaken2.–Whos...
