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河南省集团定制2023-2024学年第二学期八年级期末学情监测试卷（BBRJ）试题(数学)试卷答案
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“天一大联考·安徽卓越县中联盟”2022一2023学年（上）高二年级阶段性测试（期中）英语·答案听力原文Text1M:HowareyoudoinginyourSpanishclass?Yousaidyoulikedthatone.W:ButIhadproblemsinthelasttest.Igetthoseverbsallmixedupinmyhead!Text2W:What'sup?Youdon'tlookhappy.Haveyouquarreledwithyourbrother?M:IjusttookmymidtermexamandIdon'tthinkIwillpassit.Text3W:John,pickupthepackagedownstairs,OK?Imustgotoworknow.M:Oh,Mum,youknowIamdoingmyhomeworknow.WhynotaskLisa?W:Youarealwayslookingforexcuses.Lisaisgoingoutforherpianoclass.Text4W:Thisterm,therearenomusicorartclassesinourschool.Theyhavebeencut.M:That'stoobad.Ithinkit'sreallyimportantforstudentstotaketheseclasses.SoyourmumandIwillfindyouanartteacher.Text5W:Excuseme.Couldyoupleasetakeapictureofuswiththiscamera?Thisisafocus-freecamera.Allyouhavetodoispointandpressthebutton.M:Allright..Say“cheese”.Text6W:I'llhaveawhole-wheatbread,threepiecesofwhitebreadandtenrolls,please.Howmuchisthat?M:Thewhole-wheatbreadis45cents,thewhitebreadis35centseach,andtherollsareeightcentseach.Thatmakestwodollarsandthirtycents.W:Thereyougo.M:Thankyou,madam.Seventycentschange.Haveaniceday.Text7M:Goodmorning,IhaveapackageforaMr.RonaldFields.IrequireasignatureW:I'mafraidheisn'tinjustnow,butIcansignitforhim.M:CanItakeyourname?W:Mrs.LauraGraham.I'mMr.Fields'sister.M:CouldIaskforafavor?Ihaveapackageforyourneighbor,buttheyarenotin.Couldyoutakeitforthem?W:Certainly.I'lltakeittothemthiseveningwhentheygetbackfromwork.M:Thanks.I'veputadeliveryslipthroughtheirdoor.Ijustneedtotakeaphotographasproofofdelivery,ifthat'sOK.W:Doyouneedmetosmile?
(3)如果技术员获得的果胶酶中混入了某种蛋白质,可用凝胶色谱法进行分离,能成功分离的前提是。采用凝胶色谱法分离蛋白质,相对分子质量(填“大”或“小”)的蛋白质移动速度较慢。
