新概念二册53课课件

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Lesson53HotsnakeATrueStoryAbearwentoutofthezootosearchhischild.Surroundedbysomanypeople,heclimbedtheelectricalpoleoutofpanic(惊慌).Whenhereachedthetopofthepole,hedidn’tknowwhtattodo.Hedecidedtogetdown,butunfortunately,hewaskilledfortouchingthewire.Finally,hefallenfromthepoleandpassedaway.Whatwillhappenwhenasnakemeetaneaglewhichisrightaroundapoleandelecticalwire?Whatwillhappenwhenasnakemeetaneagle,rightaroundthewire?Theycauesafire.•【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•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.[ˈhaɪdrənt]消防栓,消防龙头•fireextinguisher[ɪkˈstɪŋgwɪʃə]•灭火器(extinguishern.熄灭者,灭火器)•extinguish=putout灭火•★causev.&n.引起;原因•①v.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.•(loseone’stemper发火)•②n.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•examinethesoil•checkv.核实,核对•★accidentallyadv.意外地,偶然地(但更趋向于“偶然”的意思)•accident-accidental-accidentally•accidentn.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•solvethemystery•solvetheproblem•★snatchv.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★wiren.金属线,电线他用一根金属线把筐绑到了自行车上。Hetiedabaskettothebicyclewithapieceofwire.telephonewires电话线Electricwires电线wirelessadj.无线的wirelesstelegraphy无线电报★voltn.伏特voltagen.电压,伏特数★power1)电力,动力electricpower电力waterpower水力2)力,能力(自然的体力、智力)Hispowerisfailing.他的体力在衰退。3)权力,支配力,势力politicalpower政治权力notwithinone’spower=beyondone’spower力所不能及我无法理解计算机是如何工作的。Itisbeyondmypowertounderstandhowthecomputerworks.•【课文讲解】•1、Hotsnake•hotsnake触电的蛇•getanelectricshock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)•I’lltryandfindoutthenameofthepersonwhosavedmylifeyesterday.•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•fairly[]adv.相当,公正地,诚实地•quite(=completely)-rather-fairly程度一个比一个轻•quiteafew颇有几个(相当多的)•startafire=causeafire(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•Idon’tknowwhodiscoveredAmerica.•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•①vt.缠绕,卷在……上(常与around/round连用)•Didyouwindthispieceofwireroundthetree?•②vt.蜿蜒,盘旋•windone'sway蜿蜒而行•8、Inthisway,hewasabletosolvethemystery.•inthisway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.Comprehensionquestions1Wherewasthereabigforestfire?InCalifornia.2Havefiremenputitout?Yes,theyhave.3Whathavetheybeentryingtofindoutsincethen?Howthefirebegan.4Whatareforestfiresoftencausedby?Brokenglassorcigaretteends.5Peoplearecareless,aren'tthey?Yes,theyare.6Whendidthefiremenexaminetheground?Yesterday.7Didtheyfindanybrokenglass?No,theydidn't.8Didtheythinkacigaretteendstartedthefire?No,theydidn't.9Theywerequitesureitdidn't,weren'tthey?(Yes,theywere.)10Whenwasthecausediscovered?(Thismorning.)11Whodiscoveredit?(Afiremandid.)12Wasitwhathewaslookingfor?(No,itwasn't.)13Whatdidhenotice?Theremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.•【SpecialDifficulties】•Throwto,ThrowatandThrowaway•throw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.•CauseandReason•cause•①n.原因,起因;•Doyouknowthecauseofthewar?•Whatwasthecauseofthedelay?•②v.使……产生/发生,引起•causesth.导致,引起•Whatcausedtheaccident?•causesb.todosth.导致某人做某事•reason•①n.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.•②v.推理,劝导,说服•reasonwithsb.劝说(以道理)•Howcanyoureasonwithhimwhenheissoworried?•DropandFall•dropvi.&vt.(使)掉下,(使)落下,放下(强调的是不小心掉下来)•Ashewalkedpastthetree,anappledroppedfromit.•Thewaiterdroppedafork.•fallvi.落下,(雨、雪)下,

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