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Lesson53Hotsnake上课时间上课地点:教学用书新概念二教学目标:
①掌握生词和短语causecausesbtodosthremainssolve……
②掌握现在完成进行时与现在完成时用法教学重难点现在完成进行时与现在完成时用法及区别教学过程阅读文章回答问题
1、Whatareforestfiresoftencausedby?
2、Whatledthefiremantodiscoverthecauseofthefire?
3、Whatwastheexplanation?
一、单词教学
1.hotadj热的,炎热的Itisveryhottoday.今天很热Strikewhiletheironishot.趁热打铁.hot炎热的warm温暖的cool凉爽的chilly寒冷的cold寒冷的严寒的
2.调味品辣的Pepperandmustardarehot.辣椒和芥末是辣的.强烈的激烈的热烈的.haveahottemper脾气暴躁ahotpotato棘手或讨厌的事物或情况
2.cause
(1)V.引起causesth:引起(麻烦)Carelessnesscausesaccidents.粗心导致事故Pridecausesfailure骄傲使人失败causesbtodosth引起某人做某事导致某人做某事2)n.原因cause:强调事情发生的直接原因一个Doyouknowthereasonofthewar你知道这场战争发生的原因么?reason:其他各种的理由很多个Givemeyourreasonsforgoingthere.请告诉我你去那里的原因
3.★examine1)v.仔细观察检查调查Thefirefightersexaminedeveryinchoftheforest.消防队员检查了森林的每一寸土地2)v.诊查Thedoctorexaminedhispatientcarefully.医生仔细的诊察了病人3)v.考试测试examinestudentsinEnglishàn.exam考试=examination
4.★accidentallyadv.意外地偶然地adj.accidental意外的偶然的反义词intentionalanaccidentaldeath意外死亡accidentn.事故意外车祸acaraccidentaccidentally=bychance=byaccidentIfoundagoldminebyaccident.我偶然间发现了金矿
5.★remains1
①n.剩余物残余物theremainsofameal残汤剩饭
②n.古建筑等物遗址废墟theremainsofYuanmingyuan圆明园遗址
③n.遗体遗骸TheremainsofChairmanMaowerekeptwellinacrystalcoffin.毛主席的遗体被保存在水晶棺材里2remainv.保持停留Hemustremaininbedforanothertwodays.他必须在床上再待两天★wiren.金属线,电线,(指具体的电线铁丝等)cyclewithapieceofwire.他用一根金属线把筐绑到了自行车上telephonewires电话线electricwires电线wirelessadj.无线的★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Itisbeyondmypowertounderstandhowthecomputerworks.我无法理解计算机是如何工作的★solvev.解决解答回答=workoutsolveaproblem解决问题solveamystery解开谜团Wemustsolvetheeconomiccrisis.我们必须解决经济危机n.solution解决解答Ittookalongtimetofindthesolution花费了很长时间才找出解决方法★snatch1)v.抢夺掠取snatchup抓起来把握Weshouldsnatchupthedeal我们应该把握住那个交易.Thethiefsnatchedherbagandranaway.贼把她的包抓起来逃跑了Hesnatchedthepaperashismotherwasabouttoseeit.在他妈妈刚要看那张纸的时候,他把它夺走了2)v.趁机迅速取得急急忙忙Hesnathedakissfromher.他出其不意吻了她一下snatch迅速而有力粗鲁地抓住抢snatchachancegrab抓抢抢夺抓住热切而拼命地grabsthfromsb/grabsthfromsthgrasp1抓住或咬住抓紧graspachance抓住机会2掌握graspalanguage课文讲解
1.AtlastfiremenhaveputoutabigforestfireinCalifornia.atlast最后,终于,过程很艰难他们终于翻过了这座大山Atlasttheyclimbedoverthemountain.putout扑灭,熄灭,关掉Pleaseputthelightout.请把灯关掉makeafire生火startafire引起火灾2.Forestfiresareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.cigaretteends烟头throwaway扔掉,丢弃throwabout随处扔throwat扔向(有目标性)throwto扔向(无目标性)
3.Yesterdaythefiremenexaminedthegroundcarefullybutwerenotabletofindanybrokenglass.beableto能够;benotableto没有能够
3.Sincethentheyhavebeentryingtofindouthowthefirebegan.sincethen从那时起,到现在为止findout(经过研究、努力等)找出,发现,查出……I’lltryandfindoutthenameofthepersonwhosavedmylifeyesterday.我会试着查出昨天救了我的人的名字find强调在经过“寻找”(lookfor)后找的“结果”(找到或者找不到)又可以表示(偶然地)发现……Ifoundawatchontheroad我在路上发现了一块表
4.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.besurethat对……很有把握;Iamsurethattheyarewrong.我确信他们是错的quitesure相当的把握性Iamnotquitesurewhattosayaboutthat.关于那要说些什么我没有把握ratheradv.相当Hisgroundbackdoessoundratherprincely.他的背景听起来很华丽fairlyadv.相当公正地诚实地Hismethodisfairlysimply他的方法相当简单quite=completely-rather-fairly程度一个比一个轻quiteafew颇有几个相当多的Quiteafewkindsofanimalsareindangernow现在有相当一部分种类的动物濒临灭绝startafire=causeafirestartvt.使……发生,引起Doyouknowthecauseofthefire你知道起火原因吗?
5.Thismorninghoweverafiremenaccidentallydiscoveredthecause.However与but区别However要接逗号,再加句子But直接与句子相连accidentally=bychance偶然地discover偶然发现(某个已经存在的东西)Invent发明(以前没有的东西)Idiscoverthatshewasagoodcook.我发现她是一个烹饪好手Edisondidnotdiscoverelectricitybutinventedlightbulb.爱迪生不是发现了电而是发明了灯泡Theteacherwantedtofindoutwhohadbrokenthedoor.老师想查明是谁弄坏了门Idon’tknowwhodiscoveredAmerica.我不知道谁发现的美洲6.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16000-voltpowerline.notice注意别人没注意的东西theremains表示“尸体,残骸”,必须用复数形式村民们很惊奇的看到在湖的旁边有一架飞机的残骸Thevillagersweresurprisedtoseetheremainsofanaeroplanenearthelake.Woundn.创伤;伤口(可数);多指作战等所受的刀枪剑棍等伤害,也可指感情上的伤害,后跟宾语指整个人而不是受伤部位Hegotwoundedinthebattle.他在战争中受伤Hereceivedaseriouswoundinthebattle.V.伤,伤害;“wind”的过去式和过去词windvt.1vt.缠绕,卷在……上(常与around/round连用)Didyouwindthispieceofwireroundthetree你介意我把这段电线缠在树上吗?2vt.蜿蜒,盘旋Apathwoundupthevalley.一条小径沿着山谷蜿蜒前进windone‘sway蜿蜒、迂回而行Theywoundtheirwaythroughthenarrowvalley.他们在狭窄的山谷中迂回前进3)转动(把手等),拧紧winduponeswatch上紧某人手表的发条winddownawindow把车子的窗子摇下
7.Inthiswayhewasabletosolvethemystery.inthisway就这样Theworkshouldbedoneinthisway.应该这样做工作bythisway通过这种方法,手段=bythismeanswhatshecoulddoistotakecareofhermotherandonlybythiswaycanhisfatherlookedafterheryoungerbrother她所能做的只有照顾妈妈,也只能通过这种方法才能让爸爸腾出手来照顾年幼的弟弟
8.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.snatchedupsthfromtheground从地上抓起来dropn.滴adropofblood一滴血vtvi.无意掉下去的使落下使掉落Shedroppedthevaseonthefloor.她把花掉到了地板上Dropfromthetree从树上下来拓展dropinsth顺便拜访dropinonsb顺便走访某人GRAMER辨析现在完成进行时与现在完成时的联系Theyhavebeenlivinginthiscityfortenyears.Theyhavelivedinthiscityfortenyears.他们在这个城市已经住了10年了Ihavebeenworkinghereforfiveyears.Ihaveworkedhereforfiveyears.我在这里已经工作五年了现在完成进行时构成have/hasbeen+doing含义1)表示从过去某时开始一直持续到现在的动作,并且还将持续下去2)表示在说话时刻之前到现在正在进行的动作体会现在完成进行时,与现在完成时的区别和联系Ihavebeenwritingabook.我一直在写一本书(动作还将继续下去)Ihavewrittenabook.我已经写了一本书(动作已经完成)课堂小结:现在完成进行时与现在完成时用法及区别作业布置:1重点单词和短语4+1,练习题10个选择题2背单词及课文中重点句型教学反思。