新概念二43课(共40张)课件

1、Hello ! Everyone !Lets have a happy class!Lesson 43Over the South PoleFirst listen and then answer the question.听录音，然后回答以下问题。 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、 生词和短语pole n. （地球的）极flight n. 飞行explorer n. 探险家lie v. 处于serious adj. 严重的point n. 地点seem v. 似乎crash v. 坠毁sack n. 袋子clear v. 越过aircraft n. 飞机endless adj. 无尽的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 比较can和beableto表示成功地做了某事时，只能用was/wereableto，不能用could。 Hecouldswimh

10、alfwaybeforehegottired.(not correct) Hewasabletoswimhalfwaybeforehegottired.(correct) can用于表示“能力”时是指现在的能力，过去或将来的能力通常用was/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?句型转换1. Jane can use a computer. (改为否定句)2. Can you draw. (作否定回答) 3. I think he can play the soccer.(变否定句)4. She could swim when she was five.(提问)Sum up the language points习惯用语: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语法知识:情态动词: can/cant重点句型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.美国探险家 R.E. 伯德在飞越北极3年之后，于1929年第一次飞越了南极。虽然开始时伯德和他的助手们拍下了飞机下面连绵群山的大量照片，但他们很快就陷入了困境。在有个地方，飞机似乎肯定要坠毁了。只有在飞至10,000英尺的高度时，它才能飞过这些山头。伯德马上命令他的助手们把两个沉重的食物袋扔掉，于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。飞机可以毫无困难地飞过这片茫茫无际的白色原野！Homework:1.Rec

16、ite the new words and expressions 2.Do the exercises of lesson43【New words and expressions】 生词和短语 polen.（地球的）极South Pole 南极North Pole 北极Pole Star 北极星explorern. 探险家explore v.探险exploration n.(科研相关)探险,探求,开发adventuren.冒险(追求刺激)venture n. 冒险(为了财富,没有生命保障)liev. 处于tell a lie 撒谎lie n.谎言; lie v.撒谎 Eg.:You lied

17、. You,liar!lie,lied,lied 撒谎lie/lai/,lay/lei/,lain/lein/处于,位于stay in bed/lie in bed 躺在床上in bed 介词短语, lie vi.lie 现在分词- lyinglay v. 放,放置;lay an egg下一个蛋lay vt. lay sth. 放,放置lay,laid,laidpointn. 地点point 点,一般指从飞机上向下看的点地点place,spotdot 点- 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.看起来似乎.seem as if 看起来似乎Eg.: He seems as if he had never lived in England before.crashv. 坠毁crash(从上向下掉)aircrash 空难strike 撞击clash 撞击,冲突clearv. 越过over越过(距离)clear(凌空)越过go over飞跃clear the mountain 飞跃山峰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.美国探险家 RE伯德在飞越北极3年之后，于1929年第1次飞越了南极。（1）这句话包含两个同位语。three years after为 1929的同位语，作插入性的补充说明；REByrd 作 the American explorer 的同位语。（2）for the first time 表示“第一次”，time在这里表示“次”、“回”，还可以说 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，如果不快点，你会误了火车的。Give him these photos next time you see him.下次你见到他时把这些相片给他。 虽然开始时伯德和他的助手们拍下了飞机下面连绵群山的大量照片，但他们很快就陷入了困境。（1）连词though引导的是让步状语从句，其含义为“虽然”、“尽管”。这个从句中的时间状语at first被单独用逗号隔开了，它如果按正常的词序应放在从句的末尾，但有可能会引起误解。（2）at first与主句中的 soon形成时间上的照应，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.他离家前给他家的房子拍了一张照片。（4）that lay below为 the mountains的定语从句，that为从句的主语。（5）run into trouble的含义与 get into trouble相似，表示“陷入困境”：Each