选修八 unit5 Meeting your ancestors

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Unit5Meetingyourancestors考纲知识预览熟记单词1.(adj.)试探性的,犹豫的2.(n.&adj.)可供选择的事物;两者择一的3.(n.)精确4.(vt.)打断5.(vt.)假定,设想6.(vt.)使锋利7.(adj.)足够的tentativealternativeaccuracyinterruptassumesharpenample考纲知识预览8.(adj.)原始的,简陋的9.(vt.)保存,保持10.(n.)植物学11.(n.)分析12.(adj.)详尽的,具体的13.(n.)种类,范畴14.(n.)意义,重要性15.(adv.)不知怎么地16.(vi.&vt.)鼓掌欢迎;赞赏primitivepreservebotanyanalysisspecificcategorysignificancesomehowapplaud考纲知识预览17.(vt.)加速,促进18.(vt.)逮捕,吸引19.(adj.)眩晕的20.(n.)减轻,消除21.(n.)划分,分界线22.(n.)恋爱,喜爱23.(adj.)耐心的24.(adj.)熟练的25.(adj.)系统的acceleratearrestdizzyreliefdivisionaffectionpatientskilfulsystematic考纲知识预览1.不管;不顾2.切碎3.向前看,为将来打算4.吓跑5.与……不同6.为某人的抉择喝彩翻译词组regardlessofcutuplookaheadscare...awaydifferfromapplaudone’schoice考纲知识预览7.成群的动物8.对……有耐心9.到达目的地10.欣慰地11.使人感到欣慰的是12.有技巧13.意识到,知道herdsofanimalsbepatientwithreachone’sdestinationwithrelieftoone’sreliefbeskilledatbeawareof考纲知识预览Abruptlyshesatdown,onlytobescoopedupbyherlaughing,shoutingsister,Luna.突然间她坐了下去,却被她那又笑又叫的妹妹卢娜一把搂了起来。背诵句型考纲知识预览[例句仿写](1)IrushedtoLiHua’shome,onlytofindhewasout.我匆忙赶到李华家,结果却发现他不在。(2)Tomwenttoswimwithhisfriend,onlytobedrowned.汤姆和朋友去游泳,结果被淹死了。巧学活用点击进入名师一线讲坛1.alternativeadj.供选择的;其他的n.可能的选择;选择对象alternativeenergy替代能源analternativeto...……的替代品havenoalternativebuttodosth.别无选择只好做……Thereisnoalternative...……别无选择名师一线讲坛alternative,choice,selection(1)alternative一般强调在只有两种可能性或者行为方式之间进行的选择。Anunhappyalternativeisbeforeyou.YourmotherwillneverseeyouagainifyoudonotmarryMr.Collins,andIwillneverseeyouagainifyoudo.摆在你面前的是个很不幸的难题,你得自己去选择。如果你不嫁给柯林斯先生,你母亲就再也不想见你,而如果你要嫁给他,我就再也不愿见到你。比较网站名师一线讲坛(2)choice泛指从一组人或物中进行的自由选择,指选择,挑选,抉择。Thestoreoffersawidechoiceoffruitandvegetables.商店提供许多可供选择的水果和蔬菜。(3)selection含有从许多可供选择的人或物中择优选拔的意思。Parentsshouldbecarefulintheirselectionofthemoviestheiryoungchildrensee.家长们在为孩子们挑选电影时应小心谨慎。名师一线讲坛1.完成句子(1)__________________(任你选择)ofmarryingorremainingabachelor.(2)Iofferedthe___________________(提供选择的建议)ofspendingthevacationinthemountainsorbythesea.名师一线讲坛(3)Doyou____________________(其他的解决方案)totheproblem?答案:(1)Youhavethealternative(2)alternativesuggestions(3)haveanalternativesolution名师一线讲坛2.assumev.假定;设想;假装;承担(1)assumesb./sth.tobe假定/假设某人/某事为Itisassumedthat...……被认为(2)assumptionn.假定,假设makeanassumption认为,假定ontheassumptionthat假定(3)assumingthat...假设/假定……名师一线讲坛assume,guess,imagine(1)assume假设,设想,认为;指很少或完全无根据的心理推测,并非合乎逻辑的推理,或指为论证而提出有一定根据的假设。(2)guess猜测,猜想,最常用词,指毫无根据仅凭个人主观臆断或碰运气的猜测。(3)imagine想像,指毫无根据、随意想像,可在脑海中构成清晰的明确的图像。比较网站名师一线讲坛2.完成句子(1)I__________________(本以为他是教师).(2)Ididn’tseeyourcar,soI__________________(以为你出去了).(3)__________________(普遍认为)thatstressiscausedbytoomuchwork.(4)Thecourt__________________(承担责任)forthegirl’swelfare.名师一线讲坛(5)I’msorryI__________________(在电话上猜不出你是谁).答案:(1)hadassumedhimtobeateacher(2)assumedyou’dgoneout(3)Itisgenerallyassumed(4)assumedtheresponsibility(5)couldn’tguesswhoyouwereonthephone名师一线讲坛3.arrestn.逮捕;拘留vt.逮捕;吸引(1)arrestsb.for因……而逮捕某人getarrested遭逮捕arrestone’sattention引起注意(2)underarrest被捕makeanarrest进行拘捕名师一线讲坛3.完成句子(1)Embry__________________(因为偷车而被捕了).(2)Thepoliceexpectedto__________________(进行拘捕)soon.(3)Herextremebeauty__________________(引起了男孩的注意).答案:(1)wasarrestedforstealingcars(2)makeanarrest(3)arrestedtheboy’sattention名师一线讲坛4.lookahead向前看;为将来打算lookaround/round仔细查看;寻找lookafter照料,照顾;关心;注意lookback回顾,回想lookdownupon/on歧视,看不起lookforwardto希望,盼望lookonsb.as把某人看做(或当做)lookout当心;注意lookthrough浏览,仔细看lookup好转,有起色;向上看;查找lookupanddown上下打量名师一线讲坛4.完成句子(1)__________________(向前看),youallwillhaveabrighterfuture.(2)I’ve__________________(浏览了所有文件)butIstillcan’tfindthecontract.(3)He__________________(向前看去)inordertofindhismother.名师一线讲坛(4)__________________(小心)!Thecarisrunningtoofast.答案:(1)Lookingahead(2)lookedthroughallmypapers(3)lookedahead(4)Lookout名师一线讲坛5.Ifonlyitcouldbejustlikelastyear!要是能跟去年那样有多好呀!“ifonly+句子”是一个固定句型,表示一种愿望“要是……就好了/但愿……!”(1)ifonly...could/would+do...表示对将来事情的愿望(不用should)。IfonlythewholefamilycouldbeunitedduringtheSpringFestival!今年春节全家能团圆就好了!名师一线讲坛(2)ifonly...did...表示对与目前或现在事实相反的愿望。IfonlyMarxwereherebymyside!要是马克思能在我身边就好了。(3)ifonly...haddone...表示对与过去事实相反的愿望。Ifonlyyouhadworkedwithgreatercare!你工作要是再仔细一些该多好啊!专题突破锦囊阅读中的词义猜测(5)根据常识猜测词语Haveyoueverpassedaborderbetweentwocountries?Ifso,youwereprobablyquestionedbyacustomsinspector.在两国界线上所设的关卡上检查的人员叫“海关人员”,文中生词customs自然就是“海关”了。专题一破阅读理解专题突破锦囊Buildingsthatreachforskiesmaybeseeninmostoftheworld’slargestcitiestoday.EversincethefirstskyscraperwasbuiltinChicagoin1883,moreandmoretallbuildingshavebeenbuiltinmoreandmorecities.从后两句的对称结构可以看出,两主语的意义应是相同的。再看首句,主语的定语更进一步说明了高耸入云。所以,skyscraper应是“摩天大楼”。专题突破锦囊完成下列阅读理解。Zooelephantsdon’tliveaslongasthoseinthewild,accordingtoastudysuretocausedebateaboutkeepingthegiantanimalsondisplay.ResearcherscomparedthelifespansofelephantsinEuropeanzooswiththoselivinginAmboseliNationalParkinKenyaandothersworkingonatimber(木材)enterpriseinBurma.Animalsinthewildorinnaturalworkingconditionshadlifespanstwicethatormoreoftheirrelativesinzoos.技巧演练专题突破锦囊Animalcareactivistshaveurgedinrecentyearstodiscouragekeepingelephantsinzoos,largelybecauseofthelackofspaceandsmallnumbersofanimalsthatcanbekeptinagroup.专题突破锦囊Theresearchersfoundthatthemed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