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1、Lesson53 Hot snake🌻Part 1: TextAt last firemen have put out a big forest fire in California. Since then, they have been trying to find out how the fire began. Forest fire are often caused by broken glass or by cigarette ends which people carelessly throw away. Yesterday the firemen examined
2、the ground carefully, but were not able to find any broken glass. They were also quite sure that a cigarette end did not start the fire. This morning, however, a fireman accidentally discovered the cause. He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt pow
3、er line. In this way, he was able to solve the mystery. The explanation was simple but very unusual. A bird had snatched up the snake from the ground and then dropped it on to the wires. The snake then wound itself round the wires. When it did so, it sent sparks down to the ground and these immediat
4、ely started a fire.🌻Part 2: New words and expressions1 hot ht a.带电的，充电的2 fireman faimn n.消防队员3 cause k:z v.引起 n.原因4 examine igzmin v.检查5a ccidentally ksidentliad.意外地,偶然地6 remains rimeinz n.尸体，残骸7 wirewai n.电线8 voltvult n.伏特(电压单位)9 power line电力线10 solve slv v.解决11 mystery mistri n.谜12 snatch
5、snt v.抓住13spark sp:k n.电火花hot adj.1）热的，炎热的Strike while the iron is hot.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）调味品辣的辣椒和芥末是辣的.Pepper and mustard are hot.3）强烈的,激烈的,热烈的.have a hot temper 脾气暴躁a hot potato 棘手或讨厌的事物或情况fireman=firefightern. 消防队员hydrant haidrntn.消防栓fire extinguisher灭火器 Extingu
6、ish ikstigwiput out灭火cause1）V. 引起cause sth : 引起（麻烦）Carelessness causes accidents. 粗心导致事故Pride causes failure骄傲使人失败cause sb to do sth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)reason : 其他各种的理由(很多个) examine1）v. 仔细观察,检查,调查消防队员检查了森林的每一寸土地。The firefighters examined every inch of the forest.2）v. 诊查医生仔细
7、的诊察了病人。The doctor examined his patient carefully3）v. 考试,测试examine students in Englishn. exam 考试=examination accidentally adv. 意外地,偶然地1.adj. accidental 意外的,偶然的意外死亡an accidental death2.accidentn. 事故,意外车祸a car accidentAccidentally=by chance=by accident我偶然间发现了金矿I found a gold mine by accident / accident
8、ally. remains1）n. 剩余物,残余物the remains of a meal 残汤剩饭2）n. (古建筑等物)遗址,废墟the remains of Yuanmingyuan圆明园遗址3）n. 遗体,遗骸毛主席的遗体被保存在水晶棺材里。The remains of Chairman Mao were kept well in a crystal coffin.remain1）v. 留下,剩下,遗留大火之后，我的房子里什么也没剩下。After the fire, nothing remained in my house.要做的事还很多。Much remains to be don
9、e. 木已成舟Whats done is done.2）v. 仍是,保持不变他保持沉默。He remained silent. wiren. 金属线，电线他用一根金属线把筐绑到了自行车上。He tied a basket to the bicycle with a piece of wire.telephone wires 电话线Electric wires 电线wireless adj. 无线的wireless telegraphy 无线电报volt n. 伏特voltage n. 电压,伏特数 power1）电力，动力electric power 电力water power 水力2）力,能
10、力 （自然的体力、智力）His power is failing.他的体力在衰退。3）权力,支配力,势力political power 政治权力not within ones power= beyond ones power 力所不能及我无法理解计算机是如何工作的。It is beyond my power to understand how the computer works.solve v. 解决,解答,回答 =work out1.solve a problem解决问题solve a mystery解开谜团我们必须解决经济危机。We must solve the economic cri
11、sis.2.n. solution 解决,解答花费了很长时间才找出解决方法。It took a long time to find the solutionsnatch1）v. 抢,夺,掠取snatch up 抓起来贼把她的包抓起来逃跑了。The thief snatched her bag and ran away.在他妈妈刚要看那张纸的时候，他把它夺走了。He snatched the paper as his mother was about to see it.2）v. (趁机)迅速取得,急急忙忙吃完饭他出其不意,吻了她一下。He snathed a kiss from her.
12、27803;Part3: Notes on the textAt lastfiremen haveput outa big forest fire in California.1.at last（终于，到底）表示经过一番努力之后。2.put out可以表示“扑灭”、“熄灭”、“关掉”Please put the light/ fire out.请把灯关掉把火灭掉。Far water does not put out near fire.谚远水救不了近火。Since then, they have been trying to find out how the fire began.1.sinc
13、e then 从那时起，到现在为止2.find out （经过研究、努力等）找出，发现，查出We shall find out the truth early or late.我们迟早会查明事实真相。Go and find out the truth to report back quickly.立刻查明事实真相回来汇报。Ill try and find out the name of the person who saved my life yesterday. 我会试着查出昨天救了我的人的名字。Forest fires are often caused by broken glass or
14、 by cigarette ends which people carelessly throw away.1.be caused by 由所引起His death was caused by a high fever.他的死亡是由高烧引起的。The accident was caused by the drunk driver.事故是由酒后驾车的司机造成的。2.cigarette ends 烟头3.Throw away 扔掉，丢弃Throw about 随处扔Throw at 扔向（有目标性）Throw to 扔向（无目标性Yesterday the firemen examined the
15、 ground carefully, butwere not able to findany broken glass.The doctorswerenot able totreat this disease.医生治不了这种病。I am sorry, Iamnot able tohelp you.对不起，我无法帮助您。Iwasnot able toget in touch with you yesterday.我昨天无法和你联络上。他现在没办法接你的电话。Heisnot able totake your call at the moment.They were also quite sure
16、that a cigarette end did not start the fire.1.be sure 确定Be sure to sweep the room clean.一定要把房间打扫干净。I am sure you would get along very well with him.我相信你一定会跟他相处得很好。She is sure to pass the examination.她一定会通过考试。2.start a firecause a fire 引发火灾This morning, however, a fireman accidentally discovered the
17、cause.discover 发现（偶然发现某个已经存在的东西）Theydiscoverthat the new teacher is very strict.他们发现新来的老师非常严格。He was surprised todiscoverthat his best friend had turned traitor.他惊讶地发现他最好的朋友竟成了叛徒。I do notdiscoverthat until I go to pay.我去付钱的时候才发现。he noticed the remains of a snake which was wound round the electric wi
18、res of a 16,.000-volt power line.1.the remains表示“尸体”、“残骸”，必须用复数形式2.wound为wind的过去分词。wind在这里不表示“蜿蜒”，而表示“卷在上”、“缠绕”，常与aroundround连用：Did you wind this piece of wire round the tree? 是你把这根铁丝缠在树上的吗？In this way, he was able to solve the mystery. The explanation was simple but very unusual.Solve v. 解决e.g. sol
19、ve the problem 解决问题A bird had snatched up the snake from the ground and then dropped it on to the wires1.snatch v. 抓The man snatched her purse and ran.那人抓起她的钱包就跑。（强调动作很快很猛）2.drop & falla. drop 表示 “使落下、使掉落”，是及物动词, 带宾语：He dropped the bag.b. fall 表示 “掉下、跌倒”，是不及物动词，不能带宾语。He fell down the stairs and brok
20、e his leg.The snake then wound itself round the wires. When it did so, it sent sparks down to the ground and these immediately started a fire.When it did so当它这样做时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：Has Susan got into University?I believe / think so.🌻Part4: Grammar&Difficult points现在完成进行时构成：have/has been+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。与现在完成时的区别I have been writing a book.我一直在写一本书。（动作还将继续下去）I have written a book.我已经写了一本书。（动作已经完成）🌻Part5: Homework1.背诵lesson 53单词&课文2.Retell the text3.练习总结课文学科网（北京）股份有限公司