2021版高考英语一轮复习 预习案 Unit 21 Human Biology课件 北师大版选修7

Unit21HumanBiology-2-必背表达单词——写作信手拈来1.circulatevi.循环2.pumpvi.用泵抽出(注入)3.digestvt.消化4.mineraln.矿物5.hearingn.听觉6.pulsen.脉搏7.abusevt.滥用8.toleratevt.忍受9.doubtfuladj.怀疑的,不肯定的10.seekvt.寻找11.annualadj.年度的;每年的,一年一次的12.lameadj.站不住脚的,不易令人相信的-3-13.opposevt.反对14.privilegedadj.荣幸的15.catervi.迎合;满足16.entryn.进入;入学17.ampleadj.充足的;充裕的18.herbn.草药19.scann.扫描20.treatvt.款待21.storagen.储存22.postponevt.延期;推迟23.cancern.癌症;癌24.urbanadj.城市的25.rebuildvt.重建-4-26.trialn.实验27.prohibitvt.禁止28.unitevt.团结;联合;统一29.pausen.暂停,停顿30.symptomn.症状31.routinen.常规;惯例32.pressn.新闻界;报界33.adaptationn.变化;变种34.foreseevt.预见35.teamworkn.协作;配合36.faithn.信心37.pilln.药丸;药片38.weeklyadj.每周一次的-5-39.temporaryadj.短暂的,临时的40.numbadj.(思维、感觉、反应)麻木的41.sacredadj.神圣的42.robvt.抢劫;使丧失43.helmetn.防护帽,头盔44.declinevi.下降45.equipvt.使有准备46.firmn.公司;商行47.fortunen.大笔钱财,巨款48.raten.比率49.deadlinen.截止日期,最后日期-6-50.submitvt.提交51.extensionn.延期52.tractorn.拖拉机53.spaden.锹,铲54.tinn.罐55.concernn.担心;担忧56.votevi.表决57.scepticaladj.怀疑的58.bellyn.腹部;肚子59.absurdadj.荒谬的;不合理的60.circumstancen.情形,情况-7-识记阅读单词——读文理解通畅1.intervaln.间隔;间歇2.swapvi.交换3.performance-enhancingadj.增强表现的4.supremeadj.(程度)最大的,极度的5.fundamentaladj.根本的,基础的6.compulsoryadj.义务的;强制性的7.controversialadj.有争议的8.dashn.短跑9.marathonn.马拉松赛跑10.contradictvt.与(其他事物)相矛盾-8-11.violatevt.违反;违背12.acuteadj.严重的,剧烈的13.statisticsn.统计资料;统计数字14.paralleln.平行线;极相似之处15.tissuen.组织16.mournvi.&vt.表示哀悼;感到悲痛17.carriern.带菌者18.prescriptionn.处方19.minimumn.最小;最低20.institutionn.团体;公共机构21.enquiryn.询问22.appendixn.附录-9-23.tabletn.药片24.underlinevt.强调;表明重要性25.thoroughadj.彻底的;细致的26.systematicadj.系统化的27.terminaladj.致命的;晚期的28.unconditionallyadv.无条件地29.tentativelyadv.不完全地30.aluminiumn.铝-10-『语用规律归纳』1.“足够的”多种表达(1)enough(2)ample(3)adequate(4)plenty-11-2.“-ly”结尾的形容词集锦(1)weekly每周(一次)的(2)monthly每月(一次)的(3)yearly每年(一次)的(4)daily每日的(5)lonely孤独的(6)lovely可爱的(7)likely可能的(8)deadly致命的(9)brotherly/sisterly兄弟/姐妹般的(10)manly像男人的;强壮的(11)friendly友好的-12-3.“强调”的多种表达(1)underlinev.强调;表明重要性(2)stressv.强调;着重(3)strengthenv.加强;变强大(4)emphasisev.强调(5)emphasisn.强调;着重;加强语气-13-4.以“-s”结尾的名词的单复数(1)statistics统计数字/统计资料(复数);统计学(单数)(2)politics政治(单数)(3)physics物理(单数)(4)mathematics=maths数学(单数)(5)series系列(单复数同形)(6)species物种(单复数同形)(7)Aids艾滋病(不可数)(8)news新闻(不可数)-14-『构织连脉词族』1.circulatevi.循环→circulationn.循环→circulatorn.传播者;循环器2.digestvt.消化→digestionn.消化力;领悟→digestibleadj.可消化的,可摘要的,容易了解的→digestibilityn.消化性;可消化性3.toleratevt.容忍→tolerantadj.容忍的;有耐药力的;宽恕的→tolerableadj.可容忍的,可忍受的→tolerancen.容忍,忍受,宽容→tolerablyadv.可容忍地,可忍受地4.threatn.威胁→threatenvt.吓唬,威胁→threateningadj.吓人的→threatenedadj.受到威胁的5.storevt.储存n.商店,贮藏,仓库→storagen.储存6.prohibitvt.禁止→prohibitionn.禁止-15-7.thoroughadj.彻底的;细致的→thoroughlyadv.彻底地;细致地8.faithn.信心→faithfuladj.踏实的,可靠的→faithfullyadv.忠诚地;切实遵守地;如实地9.temporaryadj.临时的;短暂的→temporarilyadv.临时地;短暂地10.conditionn.条件→conditionaladj.有条件的,假定的→unconditionaladj.无条件的,绝对的,无限制的→unconditionallyadv.无条件地,绝对地,无限制地11.equipvt.使有准备;装备;配备→equipmentn.设备;装备12.fortunen.大笔钱财,巨款→fortunateadj.幸运的→fortunatelyadv.幸运地→unfortunatelyadv.不幸地13.extendvt.伸出,延伸,扩大→extensionn.延期14.submitvt.提交→submissionn.提交;投降-16-『语境活用』1.Yourbrotherhasgotheartandcirculation(循环)problems.Ifthesesymptoms(症状)goon,he’dbetterhaveathoroughexamination.2.Orderingtheequipment(设备)beforethedeadline(截止日期),you’llgetadiscountof15%.3.Wearinguniformsinourschoolisnotcompulsory(强制性的),butithasbeenaroutine(常规)foranystudent.4.Frommyperspective,thefootballmatchshouldbepostponed(推迟).Youknow,it’sabsurd(荒谬的)tohaveamatchonsuchastormyday.5.Expertsconfirmthatfoodstoredinourstomachtemporarily(temporary)isoftendigested(digest)inlessthansixhours.-17-1.atallcosts不管多大代价,无论如何2.caterto迎合3.stopsthinitstracks突然止步4.prohibitsbfromdoingsth禁止某人做某事5.bringup抚养,养育6.robsbofsth抢劫某人某物7.beresponsiblefor对……负责8.under/innocircumstances决不9.getdownto开始,着手10.atrandom随便地,随意地-18-『语境活用』用上面的短语填空1.Broughtuponthefarm,Jackknowswellhowhardfarmersalwayswork.2.Littletimeisleft—it’stimeforustogetdowntoworkingtogethertoachieveourgoal.3.Don’ttrytocatertoothers.Otherwise,you’llloseyourself.4.Rememberthatin/undernocircumstancesshouldwegiveawayourplanbeforeit’scarriedout.5.Thepresidentisresponsiblefortheconsequencesofthedisasteraswellasthebenefitsofsuccess.-19-『语用规律归纳』1.含有at的常用短语(1)atallcosts不管多大代价(2)atrandom随意地;随便地(3)atanyrate无论如何(4)atfirstsight乍一看(5)athighspeed高速(6)atapriceof...以……价格(7)atpresent目前;现在(8)atleast/most至少/多(9)atlength详细地;终于(10)atthemercyof任由……摆布-20-2.faith构成的短语小结(1)havefaithin对……有信心;信任(2)losefaithin对……丧失信心(3)breakfaithwithsb对某人不忠诚(4)ingoodfaith真诚地;诚意地-21-『领悟教材语境』1.Unfortunately,itisnoteasytocatchathletesusingillegaldrugs.(Page34)不幸的是,很难抓住使用禁药的运动员。[考点提炼]“It’s+adj.+todosth”句式表示“做……是……”。2.Unlesswearecareful,“gene-therapy”willbethenextbigthreat.(Page34)除非我们小心翼翼,否则,“基因疗法”将会成为下一个重大威胁。[考点提炼]unless...,...表示“除非……,否则……”。-22-3.Inthefuture,athleteswhohavetheirgeneschangedmightbeabletodothe100metresdashinjust8secondsorthemarathoninlessthantwohours.(Page34)将来,基因发生改变的运动员可能在仅仅8秒内跑完100米,或在不到两小时的时间里跑完马拉松。[考点提炼]havesthdone的用法。4.TheOlympicspirit—thespiritofcompetitionwhichemphasisestakingpartratherthanwinning—hasbeenviolatedbythedesiretosucceedatallcosts.(Page34)人们不惜任何代价来获胜