【同步练习】Unit 21 Lesson 2（北师大） (2).docx

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1、Unit21HUMANBIOLOGYLesson2BrainPower同步练习◆选择题1.Althoughhetalkedforhalfanhour,Istillcan’tunderstandhowonearthhisremarks___-whatwearediscussingnow.A.turntoB.relatetoC.cometoD.referto2.Toourpuzzlement,thewrittenrecordofourconversationdoesn’t____whatwasactuallysaid.A.submittoB.correspondtoC.contributetoD.

2、caterto3.___hisgradeswithTom’s,Jackwasquitesatisfied.A.ComparedB.TocompareC.ComparingD.Compare4.---WhenwillyouleaveforLondon?------Wehavedecidedto____startingthevoyage,owingtothechangeoftheweather.A.accomplish.B.expandC.postponeD.ensure5.Treat____toaglassofwinetohelpyourelaxattheendoftheday.A.oneB.o

3、neselfC.youD.yourself◆单词拼写1.Icannot___________(识别)thesignature.2.Hehasnocontroloverhis___________(情绪)。3.TVmust______(迎合)formanydifferenttastes.4.Wedecidedtotakeheradviceand___________(延期)trip.5.Thenewflathas______(充足的)livingspace.6.Someofthespacewillatfirstbeusedfor_______(储存)◆完成句子1.我们必须对自己负责任，对他人负责

4、，对社会负责。Wemust_______________________ourselves,forothersandforsociety.2.越来越多的证据表明该疾病是由一种有缺陷的基因引起的。Evidenceisaccumulatingthatadefectivegenemay____________thisdisease.3.计算机系统又软硬件组成。Computersystems_________________softwareandhardware.4.你应该立即去看医生。Youshouldgoandseeadoctor____________.5.他受到了老板的冷遇。Hewascold

5、ly________byhisboss.答案和解析◆选择题1-5BDCCD◆单词拼写◆1.identify;2.emotion;3.cater;meet;suit;4.postpone;5.ample6.storage◆完成句子1.beresponsible2.beresponsiblefor3.consistof4.straightaway5.treated