高考英语北师大版一轮复习课件：选修7 预习案 Unit 21　Human Biology.pptx

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1、Unit 21Unit 21Human BiologyHuman Biology选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-2-必背表达单词写作信手拈来circulatevi.循环pumpvi.用泵抽出(注入)digestvt.消化mineraln.矿物hearingn.听觉pulsen.脉搏abusevt.滥用toleratevt.忍受doubtfuladj.怀疑的,不肯定的seekvt.寻找annualadj.年度的;每年的,一年一次的lameadj.站不住脚的,不易令人相信的选修选修7 7Unit 21Human Biology考纲

2、单词常用短语重点句型话题语篇演练考纲单词-3-privilegedadj.荣幸的catervi.迎合;满足entryn.进入;入学ampleadj.充足的;充裕的herbn.草药scann.扫描treatvt.款待storagen.储存postponevt.延期;推迟cancern.癌症;癌urbanadj.城市的rebuildvt.重建trialn.实验prohibitvt.禁止选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-4-unitevt.团结;联合;统一pausen.暂停,停顿symptomn.症状routinen.常规;惯例pre

3、ssn.新闻界;报界foreseevt.预见teamworkn.协作;配合faithn.信心pilln.药丸;药片weeklyadj.每周一次的temporaryadj.短暂的,临时的numbadj.(思维、感觉、反应)麻木的sacredadj.神圣的选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-5-robvt.抢劫;使丧失helmetn.防护帽,头盔declinevi.下降minimumn.最小;最低institutionn.团体;公共机构equipvt.使有准备firmn.公司;商行fortunen.大笔钱财,巨款raten.比率enq

4、uiryn.询问deadlinen.截止日期,最后日期submitvt.提交选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-6-appendixn.附录extensionn.延期tractorn.拖拉机spaden.锹,铲tinn.罐concernn.担心;担忧votevi.表决scepticaladj.怀疑的bellyn.腹部;肚子absurdadj.荒谬的;不合理的circumstancen.情形,情况选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-7-识记阅读单词读文理解通畅inter

5、valn.间隔;间歇swapvi.交换performance-enhancingadj.增强表现的supremeadj.(程度)最大的,极度的fundamentaladj.根本的,基础的compulsoryadj.义务的;强制性的controversialadj.有争议的opposevt.反对dashn.短跑marathonn.马拉松赛跑contradictvt.与(其他事物)相矛盾选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-8-violatevt.违反;违背acuteadj.严重的,剧烈的statisticsn.统计资料;统计数字par

6、alleln.平行线;极相似之处tissuen.组织adaptationn.变化;变种mournvi.&vt.表示哀悼;感到悲痛carriern.带菌者prescriptionn.处方选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-9-tabletn.药片underlinevt.强调;表明重要性thoroughadj.彻底的;细致的systematicadj.系统化的terminaladj.致命的;晚期的unconditionallyadv.无条件地tentativelyadv.不完全地aluminiumn.铝选修选修7 7Unit 21Hu

7、man Biology考纲单词常用短语重点句型话题语篇演练考纲单词-10-语用规律归纳1.“足够的”多种表达(1)enough(2)ample(3)adequate(4)plenty选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-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)m

8、anly像男人的;强壮的(11)friendly友好的选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-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;加强语气选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-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)polit

9、ics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)选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-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.

10、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.禁止选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-15-7.thorou

11、ghadj.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fortunat

12、eadj.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;投降选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练考纲单词-16-语境活用1.Well,youvegotheartandcirculation(循环)problem.Ifthesesymptoms(症状)goon,youdbetterhaveathoroughexamination.2.Orderingtheequipment(设备)be

13、forethedeadline(截止日期),youllgetadiscountof15%.3.Wearinguniformsinourschoolisnotcompulsory(强制性的),butithasbeenaroutine(常规)foranystudent.4.Frommyperspective,thefootballmatchshouldbepostponed(推迟).Youknow,itsabsurd(荒谬的)tohaveamatchonsuchastormyday.5.Expertsconfirmthatfoodstoredinourstomachtemporarily(temp

14、orary)andisoftendigested(digest)inlessthansixhours.选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练常用短语-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

15、随便地,随意地选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练常用短语-18-语境活用用上面的短语填空1.Brought uponthefarm,Jackknowswellhowhardfarmersalwayswork.2.Littletimeisleftitstimeforusto get down toworkingtogethertoachieveourgoal.3.Ourliteratureandartoughttocater topopulartaste.4.Rememberthatin/under no circumstancesshou

16、ldwegiveawayourplanbeforeitscarriedout.5.Itswidelyacceptedthatsmokingis responsible formanycasesoflungcancer.选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练常用短语-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

17、(8)atleast/most至少/多(9)atlength详细地;终于(10)atthemercyof任由摆布选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练常用短语-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;诚意地选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练重点句型-21-领悟教材语境1.Unfortunately,itisnoteasytocat

18、chathletesusingillegaldrugs.(Page34)不幸的是,很难抓住使用禁药的运动员。考点提炼“Its+adj.+todosth”句式表示“做是”。2.Unlesswearecareful,“gene-therapy”willbethenextbigthreat.(Page34)除非我们小心翼翼,否则,“基因治疗”将会成为下一个重大威胁。考点提炼unless.,.表示“除非,否则”。选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练重点句型-22-3.Inthefuture,athleteswhohavetheirgeneschan

19、gedmightbeabletodothe100metresdashinjust8secondsorthemarathoninlessthantwohours.(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.TheOlympicspiritthespiritofcompetitionwhichemphasisestakingpartratherthanwinninghasbeenviolatedbythedesiretosucceedatallcosts.(Page34)人们不惜任何代价来获胜的

20、愿望违背了重在参与而不是获胜的奥林匹克精神。考点提炼.ratherthan.“是,而不是”。选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练重点句型-23-高考写作情景1.不了解所有的事实很难做出决定。Its hard to make a decision without knowing all the facts.2.除非天气非常冷,否则我总是开着窗户睡觉。I sleep with the window open unless its really cold.3.我将在下个月末把这本书完成。Ill have this book finished by

21、 the end of next month.4.这是一本词典,而不是一本教材。This is a dictionary rather than a textbook.选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练话题语篇演练-24-话题与语法填空TheOlympicspirithasbeenviolatedbythedesiretosucceedatallcosts.Recordshaveimprovedalotnowthanbefore.Withathleticperformancescontinually1.improving(improve)

22、,recordshavefallenintrackandfieldyearafteryearduetobetterequipment,traininganddietsincethefirstOlympicGames.However,recently,improvementshavebeguntoslow2.down.Dopingcreatessupremeathletes,butitalsocausesserioushealthproblems.Thesportsworldisnt3.tolerant(tolerate)ofdopinganditisaproblemnotonlyinathle

23、ticsbutalsoineverysport4.whereathletesseektoachievebeyondtheirnaturallimitsandarepreparedtocheattodoso.Newdrugsaredevelopedallthetimesoitisnoteasytocatchathletes选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练话题语篇演练-25-5.using(use)illegaldrugs.Itscompulsoryforwinners6.to be tested(test)butotherparticip

24、antsareonlytested7.atrandom.Inthefuture,athleteswhohavetheirgenes8.changed(change)mightbeabletodobetter9.thantheyshouldbe.So10.ifdopingandgene-therapycontinuetoaffecttheoutcomesofmajorsportingevents,theword“hero”willhavelostallmeaning.选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练话题语篇演练-26-选修选修7 7Unit 21Human Biology考纲单词常用短语重点句型话题语篇演练话题语篇演练-27-