2020版高考英语一轮复习 Book 8 Unit 5 Meeting your ancestors

Book8Unit5Meetingyourancestors1.alternativeadj.可替代的n.可供选择的事物教材原句①Canyouthinkofthealternativeswewouldusetoday?你能想出我们今天使用的可供选择的物品吗?重点单词◆单句改错②Thereisnoalternativeforusbuttakeimmediateactiontostoppollution.在but后加to◆一句多译为了取得更大的进步,我们不得不充分利用好业余时间。Inordertomakegreaterprogress,we havenochoicebuttomakefulluseofsparetime.(choice)candonothingbutmakefulluseofsparetime.(candonothing)havenoalternativebuttomakefull③　　　　　　　　　　　　　　④　　　　　　　　　　　　　　⑤　　　　　　　　　　　　　useofsparetime.(alternative)　◆完成句子恐龙的灭绝不一定是由于天体的碰撞,但也难以找到别的解释。(2017江苏)⑥Thedisappearanceofdinosaursisnotnecessarilycausedbyastronomi-calincidents.Butalternativeexplanationsarehardtofind.点拨(1)havenoalternativebuttodosth.别无选择只好做某事there'snoalternative别无选择analternativetosth.某物的替代品analternativemethodofdoingsth.做某事的其他方法(2)alternativelyadv.可供选择地[联想]“别无选择只好做……”的其他表达:havenochoicebuttodosth.;can'tdosth.butdosth.;candonothingbutdosth.。2.interruptvt.&vi.打断……讲话;打岔;暂时中断或中止教材原句①I'msorrytointerrupt(interrupt)youbuthowcouldtheylivehere?◆单句填空②Interruptions(interrupt)areoneoftheworstthingstodealwithwhileyou'retryingtogetworkdone.(2017课标全国Ⅱ)③Wheninterrupted(interrupt)byaboy,thespeakerwasabitangry.◆写作微练④不要打断他们。他们正在谈论环保。Don'tinterruptthem.Theyaretalkingabouttheenvironmentalprotection.⑤不要打扰你的弟弟,他正在学习英语。Don'tdisturbyourbrother.HeislearningEnglish.点拨(1)interruptsb./sth.(withsth.)(因某事)打断某人/某事(2)interruptionn.打扰;插嘴;打岔;阻断物withoutinterruption连续地;不断地[助记] 3.assumevt.假定;设想教材原句①Sowethinkitisreasonabletoassume(assume)theylivedinthesecaves,regardlessofthecold.◆单句填空②Weareworkingontheassumptionthateveryoneinvitedwillturnup.③Assuming(assume)thattheadviceisaccepted,whenarewegoingtogetthemoney?④Weareworkingontheassumption(assume)thatitwasagasexplosion.◆写作微练一般认为,网上投票非常方便。(2016江苏书面表达)⑤It'sgenerallyassumedthatvotingontheInternetisveryconvenient.点拨(1)assumesb./sth.tobe...假定/假设某人/某事为……Itisassumedthat...人们认为……(2)assumptionn.假定;假设makeanassumption认为;假定ontheassumptionthat...假定……(3)assuming(that)...假设/假定……(引导条件状语从句)4.significancen.意义;意思;重要性;重要意义教材原句①Hisuniversitywasawareofthesignificance(significant)ofhiswork.◆单句填空②Withtimegoingby,Iattachgreatsignificancetoreviewing(re-view)whatIhavelearned.③Lesstiringthanpaintingyourwallsandlessexpensivethanbuyingacolorfulsofa,smallcolorchoicesbringwiththemthesignificant(sig-nificance)benefitofbeingeasilychangeable.(2018课标全国Ⅰ)◆句式升级④Forminggoodhabitsisveryimportantforaperson'sgrowthaswellassuccess.→Forminggoodhabitsisofgreatsignificanceforaperson'sgrowthaswellassuccess.◆写作微练我坚信我们越多地了解这个名言的意义,我们在日常学习和工作中就会获益越多。⑤Ifirmlybelievethatthemoreweareawareofthesignificanceofthisfamoussaying,themorebenefitswewillgetinourdailystudyandwork.点拨(1)beofsignificanceto...对……有重要意义attachsignificanceto...认为……重要(2)significantadj.重要的;明显的Itissignificantthat很明显……(从句用shoulddo结构)[联想]常用“be+of+抽象名词”的短语:①beofuse=beuseful②beofhelp=behelpful③beofvalue=bevaluable④beofsignificance=besignificant⑤beofimportance=beimportant1.regardlessof不管;不顾教材原句①Sowethinkitisreasonabletoassumetheylivedinthesecaves,regard-lessofthecold.重点短语◆完成句子②Theclubwelcomesallnewmembersregardlessofage.俱乐部对所有新成员不分年龄一律欢迎。③Inspiteof/Despitehisoldage,hestillleadsanactivelife.尽管年事已高,他依旧过着一种忙碌的生活。◆句型转换④Nomatterhowoldyouare,youcansignupforthematch.→Youcansignupforthematchregardlessofage.⑤Althoughtherearedifficulties,wewillarriveatthedestinationonschedule.→Despitedifficulties,wewillarriveatthedestinationonschedule.◆写作微练⑥尽管你反对,我也要继续实施这项计划。Despiteyourobjection,Iwillcontinuetocarryouttheplan.点拨(1)regardlessof“不管,不顾”,表示某事不重要,从而不加以重视或考虑,其后可接whether,what引导的从句。(2)despite/inspiteof意为“尽管……”,其后一般不接从句,但可以接thefactthat...。2.datebackto追溯到……;起始于……教材原句①AlltheobjectsarefromthesameexcavationsiteinSanxingduiandcanbedatedbacktobetween3,000and5,000yearsago.◆单句改错②Myinterestinstampcollectingdatesbackmyschooldays.back后加to③Accordingtotheexpert,thetemplehasahistorydatefromtheearlyTangDynasty.date→dating◆完成句子④Theyhavesetadatefortheirwedding.他们已经确定了婚礼的日期。◆写作微练⑤我不想买这件外套,它的款式过时了。Idon'twanttobuythiscoat.Itsstyleisoutofdate.点拨(1)datebackto(=datefrom)常用于一般现在时,不用于被动语态。常用其现在分词形式作后置定语。(2)setadatefor确定……的日期uptodate新式的,现代的outofdate过时的,过期的1.Ifonly...要是……就好了教材原句①Ifonlyitcouldbejustlikelastyear!重点句型◆单句填空②Ipaid200yuanforspeeding.IfonlyIhadrespected(respect)thetrafficrules.③Itsoundslikesomethingiswrongwiththecar'sengine.Ifso,we'dbettertakeittothegarageimmediately.④Getupearlytomorrowmorning.Ifnot,youwillmissthefirstbus.⑤—Theoldstoreenjoysagoodreputationinthisarea.—Ican'tagreemore.Thereareveryfew,ifany,complainsabouttheirservice.◆写作微练⑥只有每个人关注我们的环境,我们的地球才不会被污染得那么严重。Onlyifeveryonecaresaboutourenvironmentcanourearthnotbepol-lutedsomuch.⑦要是我不参加会议就好了。(2016课标全国Ⅱ)IfonlyIwouldnotattendthemeeting.◆单句改错⑧Iamgoingtovisitsomehomesfortheoldinourcity,ifpossibly,inthecomingsummerholiday.possibly→possible点拨Ifonly+句子,句子使用虚拟语气:①“Ifonly+一般过去时的句子”表示对现在的虚拟,be动词用were②“Ifonly+主语+would+动词原形”表示对将来的虚拟③“Ifonly+过去完成时的句子”表示对过去的虚拟[点津]onlyif“只要……”,引导条件状语从句,位于句首时主句用部分倒装。[联想]ifpossible如果可能的话ifnecessary如果必要的话ifso如果是这样的话ifnot如果不ifany如果还有(某物)的话ifever如果(某事)曾发生过的话2.onlytodo作结果状语教材原句①Abruptlyshesatdown,onlytobescooped(scoop)upbyherlaugh-ing