新概念第二冊(cè)lesson53(共54張)課件

1、Lesson 53Hot snakeRevision lesson 52move intoget a big surpriseget / put in ordergaze atto make matters worsefor some timeat the momentin ones spare timeevery inch 搬進(jìn)大吃一驚整理好/收拾整齊盯著看更糟糕的是一段時(shí)間/有一會(huì)兒目前，此刻某人空閑的時(shí)候徹底，每一英寸單詞學(xué)習(xí)hot fireman cause examine accidentally remains windwire volt power line solve myst

2、ery 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Revision lesson 53趁熱打鐵. Strike while the iron is hot.棘手或討厭的事物或情況a hot potato木已成舟Whats done is done.n.消防栓hydrant haidrnt滅火器fire extinguisher Revision lesson 53力所不能及not within ones powe

3、r= beyond ones power 電力electric power發(fā)電廠 / 發(fā)電站power plant/station解開謎團(tuán)solve a mysteryRevision lesson 53Put out a big forest fireSince thenFind out / discoverBroken glassCigarette endsThrow away/at/ toExamine / checkStart / cause the fireaccidentally/ by chance/ by accidentRevision lesson 53The remain

4、s of The cause of The reason for Wind roundWind ones wayPower lineIn this waySnatch uphot 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 chilly 寒冷的 cold 寒冷的,嚴(yán)寒的2）(調(diào)味品)辣的Pepper and mustard are hot.辣椒和芥末是辣的.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hotadj.熱的

5、；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hotline熱線；hottopic熱門話題hotnews最熱點(diǎn)的新聞hotcake熱蛋糕Itsellslikeahotcake/cakes.表示一個(gè)東西的暢銷,熱銷bestseller暢銷的東西fireman n 消防隊(duì)員hydrant haidrnt n.消防栓fire extinguisher 滅火器 Extinguish put out 滅火cause 1）V. 引起cause sth : 引起（麻煩）粗心導(dǎo)致事故Carelessness cau

6、ses 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Now you tryCause / reason1. A man can _ but an animal cant.2. The earthquake _ great damage.3. It is difficult to relate _ and eff

7、ect in this case. 4.One _ was that he had a sense of humor and could take a joke at his own expense. 5. Whatwasthe _ ofthedelay?1. reason 2. caused3.cause 4. reason5. reason / cause 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。(徹底檢查)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

8、 doctor examined his patient carefully. 3）v. 考試,測(cè)試examine students in Englishn. exam 考試=examination accidentally adv. 意外地,偶然地adj. accidental 意外的,偶然的 反義詞 intentional意外死亡an accidental deathaccident n. 事故,意外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. remain

9、s1）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 dead body毛主席的遺體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,遺留大火之后，我的房子里什么也沒剩下。After the fire, nothing remained in my house. 要做的事還很多。Much remains to be don

10、e. Whats done is done.木已成舟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 with a piece of wire.telephone wires 電話線Electric wires 電線wireless adj. 無線的 wireless telegraph 無線電報(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）

11、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 力所不能及我無法理解計(jì)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解決問題solve a problem解開謎團(tuán)solve a mysteryn. solution 解決,解答花費(fèi)了很長時(shí)間才找出解決方法。It took

12、 a long time to find the solution.snatch1）v. 搶,奪,掠取 賊把她的包抓起來逃跑了。The thief 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. snatch up 抓起來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 snatched a kiss from her.辨析snatch 迅速而有力(粗魯?shù)?抓住,搶, 強(qiáng)調(diào)動(dòng) 作的突然性 snatch a

13、 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 chance 抓住機(jī)會(huì) 2)掌握 grasp a languagehold 抓住,握住,托住 Seize 抓?。ㄓ昧Γ﹕eize my arm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. Fores

14、t fires are often caused by broken 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 a

15、ccidentally discovered the cause. 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 o

16、n to the wires. 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.【課文講解】1、Hotsnakehotsnake觸電的蛇getanelectricshock觸電1. At last firemen have put out a big forest fire in California.at last 最后，終于，過程很艱難。他們終于翻過了這座大山。At last

17、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。Please put the light out.Make a fire 生火Start a fire 引起火災(zāi)2.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

18、the person who saved my life yesterday.3.Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.brokenglass被打碎的玻璃片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（無目標(biāo)性） 4.Yesterday the firemen examined the ground carefully, b

19、ut were not able to find any broken glass. be able to 能夠 ；be not able to 沒有能夠5.They were also quite sure that 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

20、 a fire start vt. 使發(fā)生，引起6.This morning, however, a firemen accidentally discovered the cause.However與but區(qū)別：However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（以前沒有的東西）我不知道誰發(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?7.He no

21、ticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.notice 注意別人沒注意的東西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.Power line 電力線;輸電線;電源線electric wirewind vt.1)vt. 纏繞，卷在上（

22、常與around/round連用）你介意我把這段電線纏在樹上嗎？Did you mind me winding this piece of wire round the tree?2) vt. 蜿蜒，盤旋一條小徑沿著山谷蜿蜒而上。A path wound up the valley.wind ones way 蜿蜒、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 window8.In thi

23、s way, he was able to solve the mystery.in this way 就這樣9.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. snatched up sth from the ground從地上抓起來drop vt&vi.無意掉下去的,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

24、里掉了出來。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。When leaves fall in autumn, Ill come back.他從樓梯上摔下來，把他的腿摔斷了。He fell down the stairs and broke his leg.書從桌子上掉到了地上。The book fell from the table to the floor。10.The snake th

25、en 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)詞之后，代指前面提過的某個(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【Summarywriting】1HavefiremenputoutabigforestfireinCalifo

26、rniaornot?Havetheybeentryingtodiscoveritscause? (Nowthat.)2Wasthereanyevidencethatitwasstartedbybrokenglassorbyacigaretteendornot?3.Who has just solved the mystery? (however)4. What did he notice ? Had it been dropped by a bird on to the electric wires or not ? (which)5Wheredidthesnakewinditself?Wha

27、thaditsenttotheground?Didthiscausethefireornot? (Inwinding.and)【Keystructures】一般過去時(shí)、現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)一般過去時(shí)通常與一個(gè)表示確切的時(shí)間的狀語連用，現(xiàn)在完成時(shí)則有時(shí)與表示一段時(shí)間的狀語連用，有時(shí)不需要時(shí)間狀語，而現(xiàn)在完成進(jìn)行時(shí)則有時(shí)與表示一段時(shí)間的狀語連用，有時(shí)與all+表示時(shí)間的名詞連用。現(xiàn)在完成時(shí)與一般過去時(shí)中既可以用狀態(tài)動(dòng)詞（表示存在、擁有、感情、思想、需求等的動(dòng)詞）也可以用行為動(dòng)詞，現(xiàn)在完成進(jìn)行時(shí)則通常與行為動(dòng)詞連用?！維pecialDifficulties】Throwto，Throwatand

28、Throwawaythrow作及物動(dòng)詞主要含義為“投，擲，拋，扔”。throwto(sb.)扔給（某人）HethrewtheballtomeandIcaughtit.throwat對(duì)準(zhǔn)某一目標(biāo)扔 Theboythrewastoneatthewindowandbrokeit.throwaway扔掉，丟棄Manypeoplethrowawaycigaretteendscarelessly.CauseandReasoncausen.原因，起因；Doyouknowthecauseofthewar?v.使產(chǎn)生/發(fā)生，引起causesth.導(dǎo)致,引起Whatcausedtheaccident?Causes

29、b.todosth.導(dǎo)致某人做某事reasonn.理由，原因Givemeyourreasonsforgoingthere.Whatwasthereasonforthedelay?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：Thatwasthereasonwhythemeetingwasputoff.v.推理，勸導(dǎo)，說服reasonwithsb.勸說(以道理)Howcanyoureasonwithhimwhenheissoworried?DropandFalldropvi.&vt.（使）掉

30、下，（使）落下，放下（強(qiáng)調(diào)的是不小心掉下來）Ashewalkedpastthetree,anappledroppedfromit.Thewaiterdroppedafork.fallvi.落下，（雨、雪）下，降，跌倒，摔倒（強(qiáng)調(diào)的是掉下來的概念,動(dòng)作）Ifellandhurtmyself.Whenleavesfallinautumn,Illcomeback.現(xiàn)在完成進(jìn)行時(shí)構(gòu)成：have/has been+doing含義：1）表示從過去某時(shí)開始一直持續(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

31、.我一直在寫一本書。（動(dòng)作還將繼續(xù)下去） I have written a book.我已經(jīng)寫了一本書。（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 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。 和現(xiàn)在完成時(shí)態(tài)連用的時(shí)間狀語主要有以下三種：1句中出現(xiàn)jus

32、t，never，ever，already，yet，lately,recently，before,theseyears/months/days等詞時(shí)。2句中出現(xiàn)“for+時(shí)間段”或since+時(shí)間點(diǎn)或since引導(dǎo)的時(shí)間狀語從句（一般多為過去時(shí)）。3句中出現(xiàn)uptonow（直到現(xiàn)在），sofar（到目前為止），sincethen，inthepast/last+表示一段時(shí)間的詞語時(shí)。二、現(xiàn)在完成進(jìn)行時(shí)由“助動(dòng)詞have/has+been+動(dòng)詞的現(xiàn)在分詞”構(gòu)成，即have/hasbeendoing，其否定形式是在have/has后面加not，一般疑問句把have/has提到句首即可。1表示從過去某時(shí)開始一直延續(xù)到說話時(shí)還在進(jìn)行的動(dòng)作，可能還會(huì)繼續(xù)進(jìn)行下去，它通常和“for+時(shí)間段”或“since+時(shí)間點(diǎn)/從句”連用。2表示從過去某時(shí)開始，一直延續(xù)到說話的時(shí)刻，剛剛結(jié)束的動(dòng)作，在某種情況下與現(xiàn)在有關(guān)聯(lián)?！咀⒁狻?）有些不能用于現(xiàn)在進(jìn)行時(shí)的動(dòng)詞（如be，have，like，