新概念英語課件NCE2-Lesson53（共29張）

Lesson53

HotsnakeKeypointsinL53Ⅰ.Keywords:hotfiremancauseexamineaccidentally… Ⅱ.Keystructure:

一般過去時(shí)現(xiàn)在完成時(shí)現(xiàn)在完成進(jìn)行時(shí)…Wehavejustmovedinto________andIhavebeenworkinghard_______.Ihavebeentryingtogetmynewroom______.ThishasnotbeeneasybecauseI___overathousandbooks._____________,theroomis_____small,soIhavetemporarilyputmybooks________.Theycovereveryinchoffloor_____.Ashortwhileago,mysisterhelpedmetocarryoneofmyoldbookcases________.

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

Theyplaytunesandsnakesfollowmovementsofthetunes.FreetalkNewwordshot

adj.帶電的，充電的

firemann.消防隊(duì)員causev.引起；n.

examinev.檢查accidentallyadv.意外地，偶然地

remainsn.尸體，殘骸

wiren.電線volt n.伏特（電壓單位）

powerline

電力線solvev.解決

mysteryn.謎snatchv.抓住sparkn.電火花Keywordsandexpressions★hotadj.帶電的,充電的hotadj.熱的；新鮮的；棘手的；帶電的,充電的hot-hot-hot麻辣燙；hot-wings辣雞翅；hotdog熱狗hot-tempered火暴(脾氣)的

Itsellslikeahotcake/cakes.

表示一個(gè)東西的暢銷,熱銷hotpotato棘手的問題hotnews最熱點(diǎn)的新聞★firemann.消防隊(duì)員hydrantn.消防栓,消防龍頭fireextinguisher滅火器

（extinguishern.熄滅者,滅火器）extinguish＝putout滅火Keywordsandexpressions★cause

v.&n.引起；原因

①v.引起causesth.引起麻煩Carelessnesscausesaccidents.粗心導(dǎo)致事故Pridecausesfailure.驕傲使人失敗causesb.todosth.

引起某人做某事,導(dǎo)致某人做某事Illnesscausedhimtolosehistemper.(loseone’stemper發(fā)火)②n.原因，強(qiáng)調(diào)事情發(fā)生的直接原因(一個(gè))because因?yàn)閞eason理由，其他各種的理由(很多個(gè))Keywordsandexpressions★examinev.檢查examinethesoilcheckv.核實(shí),核對★accidentallyadv.意外地,偶然地(更趨向于“偶然”)accident－>accidental－>accidentallyaccident

n.事故unexpectedlyadv.出乎意料地(更趨向于“意外”的意思)Keywordsandexpressions★remainsn.尸體,殘骸remains指deadbody★solvev.解決solvethemysterysolvetheproblemKeywordsandexpressions★snatchv.抓住snatchv.(突然抓起來)強(qiáng)調(diào)動(dòng)作的突然catchv.抓，如抓魚holdv.握著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觸電的蛇getaelectricshock觸電2、AtlastfiremenhaveputoutabigforestfireinCalifornia.atlast最后，終于putoutafire撲滅火Pleaseputthelight/fireout.afire一場(堆)火Languagepoints3、Sincethen,theyhavebeentryingtofindouthowthefirebegan.sincethen從那時(shí)起，到現(xiàn)在為止findout找出，發(fā)現(xiàn)（這里findout的賓語是個(gè)從句）I’lltryandfindoutthenameofthepersonwhosavedmylifeyesterday.4、Forestfiresareoftencausedbybrokenglassorbycigaretteends…brokenglass被打碎的玻璃片cigaretteends煙頭Languagepoints5、Theywerealsoquitesurethatacigaretteenddidnotstartthefire.benotableto沒有能夠besurethat對……很有把握；

quitesure相當(dāng)?shù)陌盐招詒atheradv.相當(dāng)fairlyadv.相當(dāng),公正地,誠實(shí)地quite(＝completely)－>rather－>fairly

程度一個(gè)比一個(gè)輕quiteafew頗有幾個(gè)(相當(dāng)多的)startafire＝causeafire（startvt.使……發(fā)生，引起）

Languagepoints6、Thismorning,however,afiremenaccidentallydiscoveredthecause.accidentally=bychance偶然地discover

本身含有偶然發(fā)現(xiàn)（某個(gè)已經(jīng)存在的東西）的含義Idon’tknowwhodiscoveredAmerica.Languagepoints7、Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.notice注意別人沒注意的東西theremains表示“尸體，殘骸”，須用復(fù)數(shù)形式：Thevillagersweresurprisedtoseetheremainsofanaeroplanenearthelake.16,000-voltpowerline做定語★windvt.纏繞，卷在……上；盤旋，蜿蜒①vt.纏繞，卷在……上（常與around/round連用）Didyouwindthispieceofwireroundthetree?②vt.蜿蜒，盤旋windone'sway蜿蜒而行

Languagepoints8、Inthisway,hewasabletosolvethemystery.inthisway就這樣9、Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.haddone先發(fā)生的事drop無意掉下去的10、Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.doso這么做Irefusetodoso.我拒絕這么做so常用于一些動(dòng)詞之后，代指前面提過的某個(gè)動(dòng)作/某件事，以免重復(fù)Ithink/believeso.LanguagepointsSummarywriting

SpecialDifficulties

Throwto，ThrowatandThrowawaythrow作及物動(dòng)詞主要含義為“投，擲，拋，扔”。throwto(sb.)扔給（某人）HethrewtheballtomeandIcaughtit.throwat對準(zhǔn)某一目標(biāo)扔Theboythrewastoneatthewindowandbrokeit.throwaway扔掉，丟棄Manypeoplethrowawaycigaretteendscarelessly.

CauseandReasoncause①n.原因，起因；Doyouknowthecauseofthewar?②v.使……產(chǎn)生/發(fā)生，引起causesth.導(dǎo)致,引起Whatcausedtheaccident?causesb.todosth.導(dǎo)致某人做某事SpecialDifficulties

reason

①n.理由，原因Givemeyourreasonsforgoingthere.Whatwasthereasonfo