新概念二43課(共40張)課件

1、Hello ! Everyone !Lets have a happy class!Lesson 43Over the South PoleFirst listen and then answer the question.聽錄音，然后回答以下問題。 How was the plane able to clear the mountains?The American explorer ordered his men to throw out two heavy food sacks so the plane rose to10000 feet.New words and expressions

2、 生詞和短語pole n. （地球的）極flight n. 飛行explorer n. 探險家lie v. 處于serious adj. 嚴(yán)重的point n. 地點seem v. 似乎crash v. 墜毀sack n. 袋子clear v. 越過aircraft n. 飛機(jī)endless adj. 無盡的plain n. 平原 In 1929, three years after his flight over the North Pole, the American explorer, R.E. Byrd, successfully flew over the South Pole fo

3、r the first time. Though, at first, Byrd and his men were able to take a great many photographs of the mountains that lay below, they soon ran into serious trouble. At one point, it seemed certain that their plane would crash. It could only get over the mountains if it rose to 10,000 feet. Byrd at o

4、nce ordered his men to throw out two heavy food sacks. The plane was then able to rise and it cleared the mountains by 400 feet. Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight. The aircraft was able to fly over the endl

5、ess white plains without difficulty. Ask and answer:1. When did the man successfully fly over the South Pole for the first time ?2.Who successfully flew over the South pole for the first time ?3.Would the plane crash?4.How did they clear the mountain?5.Why did Byrd now know that he would be able to

6、reach the South Pole ?6.Was there any difficulties?can Can is one of the most commonly used modal verbs in English. It can be used to express ability or opportunity, to request or offer permission, and to show possibility or impossibility. Examples: I can ride a horse. ability We can stay with my br

7、other when we are in Paris. opportunity She cannot stay out after 10 PM. permission Can you hand me the stapler? request Any child can grow up to be president. possibility Could Could is used to express possibility or past ability as well as to make suggestions and requests. Could is also commonly u

8、sed in conditional sentences as the conditional form of can. Examples: Extreme rain could cause the river to flood the city. possibility Nancy could ski like a pro by the age of 11. past ability You could see a movie or go out to dinner. suggestion Could I use your computer to email my boss? request

9、 We could go on the trip if I didnt have to work this weekend. conditional Could cannot be used in positive sentences in which you describe a momentary or one-time ability. e.g. Yesterday, I could lift the couch by myself. Not Correct 比較can和beableto表示成功地做了某事時，只能用was/wereableto，不能用could。 Hecouldswimh

10、alfwaybeforehegottired.(not correct) Hewasabletoswimhalfwaybeforehegottired.(correct) can用于表示“能力”時是指現(xiàn)在的能力，過去或?qū)淼哪芰νǔＳ脀as/wereableto或will/shallbeableto表示。 can/cant/could/couldntI can dance the disco. I cant perform ballet.I could row a boat one year ago.I couldnt swim when I was four.fly kites/make m

11、odel planes/take photos /sing English songs. Review Exercise 1. Tom isnt at school today, because he was _ yesterday. A. in the hospital B. in hospital C. in a hospital D. at hospital2. He _ play the piano now, but he_ play the piano two years ago. A. could; can B. can; couldnt C. can; could D. can;

12、 cant3. I bought a doll for Mary _ a birthday present. A. as B. at C. to D. with4. Tim cant play _ piano, but he can play _ tennis. A. /; the B. the; / C. /; / D. the; the5. Can you skate? _ , I can. A. Of course B. Sorry C. No D. /Jane cant use a computer.No, I cant.I dont think he can play the soc

13、cer.When could she swim?句型轉(zhuǎn)換1. Jane can use a computer. (改為否定句)2. Can you draw. (作否定回答) 3. I think he can play the soccer.(變否定句)4. She could swim when she was five.(提問)Sum up the language points習(xí)慣用語:dance the disco /perform ballet/ take photos /word out /taketo/row a boat /be good at /sing songs/fly

14、 a kite/make model planes /be in hospital/have a good time語法知識:情態(tài)動詞: can/cant重點句型He can sing very well/a little.She cant dance at all.Can you dance? Yes, I can. /No, I cant.Could you ride a bike? Yes, he could, No, he couldnt.Can/Could he do? Yes he could./ No, he couldnt.What can/could he do? He ca

15、n/could swim.Whats eleven plus seven? Its eighteen.美國探險家 R.E. 伯德在飛越北極3年之后，于1929年第一次飛越了南極。雖然開始時伯德和他的助手們拍下了飛機(jī)下面連綿群山的大量照片，但他們很快就陷入了困境。在有個地方，飛機(jī)似乎肯定要墜毀了。只有在飛至10,000英尺的高度時，它才能飛過這些山頭。伯德馬上命令他的助手們把兩個沉重的食物袋扔掉，于是飛機(jī)可以上升了，它在離山頭400英尺的高度飛越了過去。伯德這時知道他能夠順利飛抵300英里以外的南極了，因為前面再沒有山了。飛機(jī)可以毫無困難地飛過這片茫茫無際的白色原野！Homework:1.Rec

16、ite the new words and expressions 2.Do the exercises of lesson43【New words and expressions】 生詞和短語 polen.（地球的）極South Pole 南極North Pole 北極Pole Star 北極星explorern. 探險家explore v.探險exploration n.(科研相關(guān))探險,探求,開發(fā)adventuren.冒險(追求刺激)venture n. 冒險(為了財富,沒有生命保障)liev. 處于tell a lie 撒謊lie n.謊言; lie v.撒謊 Eg.:You lied

17、. You,liar!lie,lied,lied 撒謊lie/lai/,lay/lei/,lain/lein/處于,位于stay in bed/lie in bed 躺在床上in bed 介詞短語, lie vi.lie 現(xiàn)在分詞- lyinglay v. 放,放置;lay an egg下一個蛋l(fā)ay vt. lay sth. 放,放置lay,laid,laidpointn. 地點point 點,一般指從飛機(jī)上向下看的點地點place,spotdot 點- atseemv. 似乎seem + as ifseem + adv.seem to beseem that.Eg. : He seems

18、rich.He seems to be rich.It seems that he is rich.it seems that.看起來似乎.seem as if 看起來似乎Eg.: He seems as if he had never lived in England before.crashv. 墜毀crash(從上向下掉)aircrash 空難strike 撞擊clash 撞擊,沖突clearv. 越過over越過(距離)clear(凌空)越過go over飛躍clear the mountain 飛躍山峰The horse cleared the fense.plainn. 平原mou

19、ntains 高山plain girl 平凡的女孩Eg.: Im a plain girl.美國探險家 RE伯德在飛越北極3年之后，于1929年第1次飛越了南極。（1）這句話包含兩個同位語。three years after為 1929的同位語，作插入性的補(bǔ)充說明；REByrd 作 the American explorer 的同位語。（2）for the first time 表示“第一次”，time在這里表示“次”、“回”，還可以說 this time, last time, next time, another time, each time, for the last time等：I

20、remind you for the last time that if you dont hurry, youll miss the train.我最后一次提醒你，如果不快點，你會誤了火車的。Give him these photos next time you see him.下次你見到他時把這些相片給他。 雖然開始時伯德和他的助手們拍下了飛機(jī)下面連綿群山的大量照片，但他們很快就陷入了困境。（1）連詞though引導(dǎo)的是讓步狀語從句，其含義為“雖然”、“盡管”。這個從句中的時間狀語at first被單獨用逗號隔開了，它如果按正常的詞序應(yīng)放在從句的末尾，但有可能會引起誤解。（2）at first與主句中的 soon形成時間上的照應(yīng)，表示先后次序。（3）take a photograph of 表示“拍的照片”：He took a photograph of his house before he left home.他離家前給他家的房子拍了一張照片。（4）that lay below為 the mountains的定語從句，that為從句的主語。（5）run into trouble的含義與 get into trouble相似，表示“陷入困境”：Each