新概念英语课件NCE2-Lesson53（共29张）

Lesson53

HotsnakeKeypointsinL53Ⅰ.Keywords:hotfiremancauseexamineaccidentally… Ⅱ.Keystructure:

一般过去时现在完成时现在完成进行时…Wehavejustmovedinto________andIhavebeenworkinghard_______.Ihavebeentryingtogetmynewroom______.ThishasnotbeeneasybecauseI___overathousandbooks._____________,theroomis_____small,soIhavetemporarilyputmybooks________.Theycovereveryinchoffloor_____.Ashortwhileago,mysisterhelpedmetocarryoneofmyoldbookcases________.

Shegotabig______whenshewentintomyroom.'Thisisthe______carpetIhaveeverseen,'shesaid.Review–L52AprettycarpetanewhouseallmorninginorderownTomakemattersworseratheronthefloorspaceupthestairssurpriseprettiestCanyourememberwhatsnakecharmersdo?StoryinL42Notverymusical

Theyplaytunesandsnakesfollowmovementsofthetunes.FreetalkNewwordshot

adj.带电的，充电的

firemann.消防队员causev.引起；n.

examinev.检查accidentallyadv.意外地，偶然地

remainsn.尸体，残骸

wiren.电线volt n.伏特（电压单位）

powerline

电力线solvev.解决

mysteryn.谜snatchv.抓住sparkn.电火花Keywordsandexpressions★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

Itsellslikeahotcake/cakes.

表示一个东西的畅销,热销hotpotato棘手的问题hotnews最热点的新闻★firemann.消防队员hydrantn.消防栓,消防龙头fireextinguisher灭火器

（extinguishern.熄灭者,灭火器）extinguish＝putout灭火Keywordsandexpressions★cause

v.&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)Keywordsandexpressions★examinev.检查examinethesoilcheckv.核实,核对★accidentallyadv.意外地,偶然地(更趋向于“偶然”)accident－>accidental－>accidentallyaccident

n.事故unexpectedlyadv.出乎意料地(更趋向于“意外”的意思)Keywordsandexpressions★remainsn.尸体,残骸remains指deadbody★solvev.解决solvethemysterysolvetheproblemKeywordsandexpressions★snatchv.抓住snatchv.(突然抓起来)强调动作的突然catchv.抓，如抓鱼holdv.握着seizev.抓住(用力)seizemyarmKeywordsandexpressionsListentothestory.QUESTION:Whatcausedthefire?Abirddroppedasnakeontothewires.Thesnakewounditselfroundthewiresanditsentsparksdowntotheground.EnjoythestoryandanswertheQs:Wheredidthefiretakeplace?Whathavethefiremenbeentryingtodo?Whatdidthefiremannotice?InCalifornia.Theyhavebeentryingtofindouthowthefirebegan.Henoticedtheremainsofasnake.HotsnakeAtlastfiremenhaveputoutabigforestfireinCalifornia.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfiresareoftencausedbybrokenglassorbycigarette

endswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybroken

glass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremenaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.1、Hotsnakehotsnake触电的蛇getaelectricshock触电2、AtlastfiremenhaveputoutabigforestfireinCalifornia.atlast最后，终于putoutafire扑灭火Pleaseputthelight/fireout.afire一场(堆)火Languagepoints3、Sincethen,theyhavebeentryingtofindouthowthefirebegan.sincethen从那时起，到现在为止findout找出，发现（这里findout的宾语是个从句）I’lltryandfindoutthenameofthepersonwhosavedmylifeyesterday.4、Forestfiresareoftencausedbybrokenglassorbycigaretteends…brokenglass被打碎的玻璃片cigaretteends烟头Languagepoints5、Theywerealsoquitesurethatacigaretteenddidnotstartthefire.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)－>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）

Languagepoints6、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.Languagepoints7、Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.notice注意别人没注意的东西theremains表示“尸体，残骸”，须用复数形式：Thevillagersweresurprisedtoseetheremainsofanaeroplanenearthelake.16,000-voltpowerline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

Languagepoints8、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.LanguagepointsSummarywriting

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.

CauseandReasoncause①n.原因，起因；Doyouknowthecauseofthewar?②v.使……产生/发生，引起causesth.导致,引起Whatcausedtheaccident?causesb.todosth.导致某人做某事SpecialDifficulties

reason

①n.理由，原因Givemeyourreasonsforgoingthere.Whatwasthereasonfo