新概念二册53课课件.ppt

Lesson53Hotsnake,【Newwordsandexpressions】（13）hotadj.带电的，充电的firemann.消防队员causev.引起；n.原因examinev.检查accidentallyadv.意外地，偶然地remainsn.尸体，残骸wiren.电线voltn.伏特（电压单位）powerline电力线solvev.解决mysteryn.谜（无法接受地,解释不了的）snatchv.抓住sparkn.电火花,1.hotadj.带电的,充电的hotadj.热的；新鲜的；棘手的；带电的,充电的hot-hot-hot麻辣烫；hot-wings辣鸡翅；hotdog热狗hot-tempered火暴(脾气)的（tempern.脾气）hotline热线；hottopic热门话题hotcake热蛋糕Itsellslikeahotcake/cakes.表示一个东西的畅销,热销,bestseller畅销的东西hotpotato棘手的问题hotnews最热点的新闻2.firemann.消防队员hydrantn.消防栓,消防龙头fireextinguisher灭火器（extinguishern.熄灭者,灭火器）extinguishputout灭火,causev.&n.引起；原因v.引起causesth.引起麻烦Carelessnesscausesaccidents.粗心导致事故Pridecausesfailure.骄傲使人失败causesb.todosth.引起某人做某事,导致某人做某事Illnesscausedhimtolosehistemper.(loseonestemper发火),n.原因，强调事情发生的直接原因(一个)because因为reason理由，其他各种的理由(很多个)examinev.检查examinethesoilcheckv.核实,核对,accidentallyadv.意外地,偶然地(但更趋向于“偶然”的意思)accidentaccidentalaccidentallyaccidentn.事故unexpectedlyadv.出乎意料地(更趋向于“意外”的意思)remainsn.尸体,残骸remains指deadbody,solvev.解决solvethemysterysolvetheproblemsnatchv.抓住catchv.抓，如抓鱼holdv.握着snatchv.(突然抓起来)强调动作的突然性seizev.抓住(用力)seizemyarm,ATrueStory,Abearwentoutofthezootosearchhischild.Surroundedbysomanypeople,heclimbedtheelectricalpoleoufofpanic(惊慌).,Whenhereachedthetopofthepole,hedidntknowwhtattodo.,Hedecidedtogetdown,butunfortunately,hewaskilledfortouchingthewire.,Finally,hefallenfromthepoleandpassedaway.,Whatwillhappenwhenasnakemeetaneagle,rightaroundapoleandelecticalwire?,Whatwillhappenwhenasnakemeetaneagle,rightaroundthewire?,Theycauesafire.,【课文讲解】1、Hotsnakehotsnake触电的蛇getaelectricshock触电2、AtlastfiremenhaveputoutabigforestfireinCalifornia.atlast最后，终于putoutafire扑灭火（putout扑灭，熄灭，关掉）Pleaseputthelight/fireout.afire一场(堆)火,3、Sincethen,theyhavebeentryingtofindouthowthefirebegan.sincethen从那时起，到现在为止findout（经过研究、努力等）找出，发现，查出（这里findout的宾语是个从句）Illtryandfindoutthenameofthepersonwhosavedmylifeyesterday.,4、Forestfiresareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.brokenglass被打碎的玻璃片cigaretteends烟头5、Theywerealsoquitesurethatacigaretteenddidnotstartthefire.beableto能够；benotableto没有能够besurethat对很有把握；quitesure相当的把握性,ratheradv.相当fairlyadv.相当,公正地,诚实地quite(completely)ratherfairly程度一个比一个轻quiteafew颇有几个(相当多的)startafirecauseafire（startvt.使发生，引起）,6、Thismorning,however,afiremenaccidentallydiscoveredthecause.accidentally=bychance偶然地discover本身含有偶然发现（某个已经存在的东西）的含义IdontknowwhodiscoveredAmerica.7、Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.notice注意别人没注意的东西theremains表示“尸体，残骸”，必须用复数形式：,Thevillagersweresurprisedtoseetheremainsofanaeroplanenearthelake.16,000-voltpowerline连字符“-”一旦加在两个词之间,这个词之间就失去了加复数的资格,能够加连字符的概念一定是做定语,windvt.缠绕，卷在上；盘旋，蜿蜒vt.缠绕，卷在上（常与around/round连用）Didyouwindthispieceofwireroundthetree?vt.蜿蜒，盘旋windonesway蜿蜒而行8、Inthisway,hisway就这样,9、Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.haddone先发生的事drop无意掉下去的10、Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.doso这么做Irefusetodoso.我拒绝这么做so常用于一些动词之后，代指前面提过的某个动作/某件事，以免重复Ithink/believeso.,【Summarywriting】1HavefiremenputoutabigforestfireinCaliforniaornot?Havetheybeentryingtodiscoveritscause?(Nowthat.)2Wasthereanyevidencethatitwasstartedbybrokenglassorbyacigaretteendornot?5Wheredidthesnakewinditself?Whathaditsenttotheground?Didthiscausethefireornot?(Inwinding.and),1NowthatfiremanhaveputoutabigforestfireinCalifornia,theyhavebeentryingtodiscoveritscause.nowthat既然2evidencen.证据区分同位语从句与定语从句的区别：如果that做了主语或者宾语,是定语从句；如果that既不作主语也不作宾语,是同位语从句fact,evidence的后面往往是加同为语从句5(In)windingitselfaroundthewiresthesnakehadsentsparkstothegroundanditcausedthefire.介词“in”“on”放在动词“-ing”前面的理解方式和没有“in”“on”的理解方式一样,【Keystructures】一般过去时、现在完成时与现在完成进行时一般过去时通常与一个表示确切的时间的状语连用，现在完成时则有时与表示一段时间的状语连用，有时不需要时间状语，而现在完成进行时则有时与表示一段时间的状语连用，有时与all+表示时间的名词连用。现在完成时与一般过去时中既可以用状态动词（表示存在、拥有、感情、思想、需求等的动词）也可以用行为动词，现在完成进行时则通常与行为动词连用。,【SpecialDifficulties】Throwto，ThrowatandThrowawaythrow作及物动词主要含义为“投，掷，抛，扔”。throwto(sb.)扔给（某人）HethrewtheballtomeandIcaughtit.throwat对准某一目标扔Theboythrewastoneatthewindowandbrokeit.throwaway扔掉，丢弃Manypeoplethrowawaycigaretteendscarelessly.,CauseandReasoncausen.原因，起因；Doyouknowthecauseofthewar?Whatwasthecauseofthedelay?v.使产生/发生，引起causesth.导致,引起Whatcausedtheaccident?causesb.todosth.导致某人做某事,reasonn.理由，原因Givemeyourreasonsforgoingthere.Whatwasthereasonforthedelay?作“原因”讲时，reason与cause可以互换，但reason与介词for连用；而cause则与介词of连用。reason后面通常跟why引导的从句：Thatwasthereasonwhythemeetingwasputoff.v.推理，劝导，说服reasonwithsb.劝说(以道理)Howcanyoureasonwithhimwhenheissoworrie