新概念英語(yǔ)第二冊(cè)53課(40張)(共40張)課件

1、Lesson 53Hot snake單詞學(xué)習(xí)hot fireman cause examine accidentally remains windwire volt power line solve mystery snatch spark adj. 帶電的，通電的n. 消防隊(duì)員v. 引起； n. 原因v. 檢查adv. 意外地，偶然地n. 尸體，殘骸v. 纏繞n. 電線n. 伏特（電壓?jiǎn)挝唬╇娏€v. 解決n. 謎v. 抓住n. 電火花hot adj 1）熱的，炎熱的Strike while the iron is hot. 趁熱打鐵.hot 炎熱的 warm 溫暖的 cool 涼爽的 ch

2、illy 寒冷的 cold 寒冷的,嚴(yán)寒的2）調(diào)味品辣的辣椒和芥末是辣的.Pepper and mustard are hot. 3）強(qiáng)烈的,激烈的,熱烈的.have a hot temper 脾氣暴躁a hot potato 棘手或討厭的事物或情況1.hot adj. 帶電的, 充電的adj. 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；hot dog 熱狗hot-tempered 火暴(脾氣)的 temper n. 脾氣 hot line 熱線；hot topic 熱門(mén)話題It sells like a hot cake/cakes.

3、表示一個(gè)東西的暢銷, 熱銷best seller 暢銷的東西hot potato 棘手的問(wèn)題hot news 最熱點(diǎn)的新聞fireman n 消防隊(duì)員hydrant haidrnt n.消防栓fire extinguisher 滅火器 Extinguish ikstigwiput out 滅火cause 1）V. 引起cause sth : 引起（麻煩）粗心導(dǎo)致事故Carelessness causes accidents. 驕傲使人失敗Pride causes failurecause sb to do sth 引起某人做某事, 導(dǎo)致某人做某事2）n. 原因 cause : 強(qiáng)調(diào)事情發(fā)生的直

4、接原因(一個(gè))reason : 其他各種的理由(很多個(gè))The cause of sth 的起因The reason for sth 的理由 examine1）v. 仔細(xì)觀察,檢查,調(diào)查消防隊(duì)員檢查了森林的每一寸土地。The firefighters examined every inch of the forest.2）v. 診查醫(yī)生仔細(xì)的診察了病人。The doctor examined his patient carefully 3）v. 考試,測(cè)試examine students in Englishn. exam 考試=examination accidentally adv. 意外

5、地,偶然地adj. accidental 意外的,偶然的 反義詞 intentional意外死亡an accidental deathaccidentn. 事故,意外車禍a car accidentAccidentally=by chance=by accident我偶然間發(fā)現(xiàn)了金礦I found a gold mine by accident. remains1）n. 剩余物,殘余物 殘湯剩飯the remains of a meal2）n. (古建筑等物)遺址,廢墟 圓明園遺址the remains of Yuanmingyuan3）n. 遺體,遺骸 毛主席的遺體被保存在水晶棺材里。The

6、 remains of Chairman Mao were kept well in a crystal coffin.remain1）v. 留下,剩下,遺留大火之后，我的房子里什么也沒(méi)剩下。After the fire, nothing remained in my house. 要做的事還很多。Much remains to be done. 木已成舟Whats done is done.2）v. 仍是,保持不變他保持沉默。He remained silent. wiren. 金屬線，電線 他用一根金屬線把筐綁到了自行車上。He tied a basket to the bicycle w

7、ith a piece of wire.telephone wires 電話線Electric wires 電線wireless adj. 無(wú)線的 wireless telegraphy 無(wú)線電報(bào)volt n. 伏特voltage n. 電壓,伏特?cái)?shù) power1）電力，動(dòng)力 electric power 電力water power 水力2）力,能力 （自然的體力、智力）His power is failing.他的體力在衰退。3）權(quán)力,支配力,勢(shì)力 political power 政治權(quán)力not within ones power= beyond ones power 力所不能及我無(wú)法理解計(jì)

8、算機(jī)是如何工作的。It is beyond my power to understand how the computer works.solve v. 解決,解答,回答 =work out解決問(wèn)題solve a problem解開(kāi)謎團(tuán)solve a mystery我們必須解決經(jīng)濟(jì)危機(jī)。We must solve the economic crisis.n. solution 解決,解答花費(fèi)了很長(zhǎng)時(shí)間才找出解決方法。It took a long time to find the solutionsnatch1）v. 搶,奪,掠取 snatch up 抓起來(lái)賊把她的包抓起來(lái)逃跑了。The thi

9、ef snatched her bag and ran away.在他媽媽剛要看那張紙的時(shí)候，他把它奪走了。He snatched the paper as his mother was about to see it.2）v. (趁機(jī))迅速取得,急急忙忙吃完飯 他出其不意,吻了她一下。He snathed a kiss from her.辨析snatch 迅速而有力(粗魯?shù)?抓住,搶 snatch a chancegrab 抓,搶,搶奪,抓住(熱切而拼命地) grab sth from sb/ grab sth from sth grasp 1) 抓住或咬住,抓緊 grasp a chanc

10、e 抓住機(jī)會(huì) 2)掌握 grasp a languagehold 抓住,握住,托住 現(xiàn)在完成進(jìn)行時(shí)構(gòu)成：have/has been+doing含義：1）表示從過(guò)去某時(shí)開(kāi)始一直持續(xù)到現(xiàn)在的動(dòng)作，并且還將持續(xù)下去。2）表示在說(shuō)話時(shí)刻之前到現(xiàn)在正在進(jìn)行的動(dòng)作。與現(xiàn)在完成時(shí)的區(qū)別I have been writing a book.我一直在寫(xiě)一本書(shū)。（動(dòng)作還將繼續(xù)下去） I have written a book.我已經(jīng)寫(xiě)了一本書(shū)。（動(dòng)作已經(jīng)完成） 與現(xiàn)在完成時(shí)的聯(lián)系They have been living in this city for ten years. They have lived in

11、 this city for ten years. 他們?cè)谶@個(gè)城市已經(jīng)住了10年了。 I have been working here for five years. I have worked here for five years. 我在這里已經(jīng)工作五年了。 課文講解At 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 fires are often caused by bro

12、ken glass or by cigarette ends which people carelessly throw away. Yesterday the firemen examined 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 firemen accidentally discovered the caus

13、e. He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power 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

14、wound itself round the wires. When it did so, it sent sparks down to the ground and these immediately started a fire.At last firemen have put out a big forest fire in California.at last 最后，終于，過(guò)程很艱難。他們終于翻過(guò)了這座大山。At last they climbed over the mountainCalifornia=Golden State 黃金州put out 撲滅，熄滅，關(guān)掉請(qǐng)把燈關(guān)掉。Ple

15、ase put the light out.Make a fire 生火Start a fire 引起火災(zāi)Since then, they have been trying to find out how the fire began.since then 從那時(shí)起，到現(xiàn)在為止find out （經(jīng)過(guò)研究、努力等）找出，發(fā)現(xiàn)，查出我會(huì)試著查出昨天救了我的人的名字。Ill try and find out the name of the person who saved my life yesterday.Forest fires are often caused by broken glass

16、 or by cigarette ends which people carelessly throw away.cigarette ends 煙頭Throw away 扔掉，丟棄Throw about 隨處扔Throw at 扔向（有目標(biāo)性）Throw to 扔向（無(wú)目標(biāo)性） Yesterday the firemen examined the ground carefully, but were not able to find any broken glass. be able to 能夠 ；be not able to 沒(méi)有能夠They were also quite sure tha

17、t a cigarette end did not start the fire.be sure that 對(duì)很有把握；quite sure 相當(dāng)?shù)陌盐招詒ather adv. 相當(dāng)fairly adv. 相當(dāng), 公正地, 誠(chéng)實(shí)地quite(completely)ratherfairly 程度一個(gè)比一個(gè)輕quite a few 頗有幾個(gè)(相當(dāng)多的)start a firecause a fire start vt. 使發(fā)生，引起This morning, however, a firemen accidentally discovered the cause.However與but區(qū)別：How

18、ever要接逗號(hào)，再加句子。But直接與句子相連。accidentally =by chance 偶然地discover 偶然發(fā)現(xiàn)（某個(gè)已經(jīng)存在的東西）Invent 發(fā)明（以前沒(méi)有的東西）我不知道誰(shuí)發(fā)現(xiàn)的美洲。I dont know who discovered America.你知道起火原因嗎？Do you know the cause of the fire?He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.notice 注意別人沒(méi)注意

19、的東西the remains表示“尸體，殘骸”，必須用復(fù)數(shù)形式村民們很驚奇的看到在湖的旁邊有一架飛機(jī)的殘骸。The villagers were surprised to see the remains of an aeroplane near the lake.wind vt. 1)vt. 纏繞，卷在上（常與around/round連用）你介意我把這段電線纏在樹(shù)上嗎？Did you wind this piece of wire round the tree?2) vt. 蜿蜒，盤(pán)旋一條小徑沿著山谷蜿蜒而上。A path wound up the valley.wind ones way 蜿

20、蜒、迂回而行他們?cè)讵M窄的山谷中迂回前進(jìn)They wound their way through the narrow valley.3）轉(zhuǎn)動(dòng)（把手等），擰緊wind up ones watch上緊某人手表的發(fā)條把 (車子的) 窗子搖下wind down a windowIn this way, he was able to solve the mystery.in this way 就這樣The explanation was simple but very unusual. A bird had snatched up the snake from the ground and then d

21、ropped it on to the wires. snatched up sth from the ground從地上抓起來(lái)drop vt&vi.無(wú)意掉下去的,使落下,使掉落她把花瓶掉到了地板上。She dropped the vase on the floor.茶壺從她手里掉了出來(lái)。The teapot dropped out of her hand。fall vi. 落下，（雨、雪）下，降，跌倒，摔倒強(qiáng)調(diào)的是掉下來(lái)的概念, 動(dòng)作我跌倒了，傷到了我自己。I fell and hurt myself.當(dāng)秋天葉落的時(shí)候，我就會(huì)回來(lái)。When leaves fall in autumn, Il

22、l come back.他從樓梯上摔下來(lái)，把他的腿摔斷了。He fell down the stairs and broke his leg.書(shū)從桌子上掉到了地上。The book fell from the table to the floor。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.do so 這么做I refuse to do so. 我拒絕這么做so常用于一些動(dòng)詞之

23、后，代指前面提過(guò)的某個(gè)動(dòng)作/某件事，以免重復(fù)我也這樣認(rèn)為。I think/believe so.start a fire=cause a fire 引起一場(chǎng)大火Comprehension questions1 Where was there a big forest fire? In California. 2 Have firemen put it out? Yes, they have. 3 What have they been trying to find out since then? How the fire began. 4 What are forest fires often

24、 caused by? Broken glass or cigarette ends. 5 People are careless, arent they? Yes, they are. 6 When did the firemen examine the ground? Yesterday. 7 Did they find any broken glass? No, they didnt. 8 Did they think a cigarette end started the fire? No, theydidnt. 9 They were quite sure it didnt, wer

25、ent they?(Yes, they were. )10 When was the cause discovered? (This morning. )11 Who discovered it? (A fireman did. )12 Was it what he was looking for? (No, it wasnt. )【Special Difficulties】 Throw to，Throw at and Throw awaythrow作及物動(dòng)詞主要含義為“投，擲，拋，扔”。throw to (sb.) 扔給（某人） He threw the ball to me and I c

26、aught it.throw at 對(duì)準(zhǔn)某一目標(biāo)扔 The boy threw a stone at the window and broke it.throw away 扔掉，丟棄 Many people throw away cigarette ends carelessly.Cause and Reasoncause n. 原因，起因； Do you know the cause of the war?What was the cause of the delay? v. 使產(chǎn)生/發(fā)生，引起cause sth. 導(dǎo)致, 引起What caused the accident?cause s

27、b. to do sth. 導(dǎo)致某人做某事reason n. 理由，原因Give me your reasons for going there.What was the reason for the delay?作“原因”講時(shí)，reason與cause可以互換，但reason與介詞for連用；而cause則與介詞of連用。reason后面通常跟why引導(dǎo)的從句： That was the reason why the meeting was put off. v. 推理，勸導(dǎo)，說(shuō)服reason with sb. 勸說(shuō)(以道理) How can you reason with him when he is so worried?Drop and Falldrop vi.&vt. （使）掉下，（使）落下，放下（強(qiáng)調(diào)的是不小心掉下來(lái)） As he walked past the tree, an apple dropped from it. The waiter dropped a fork.fall vi. 落下，（雨、雪）下，降，跌倒，摔倒（