新概念英语第二册lesson43精编课件

1、Lesson 43 F Four oceans in the world Pacific oceanIndian oceanArctic oceanAAtlanticoceanearthThe map of the world Latin/South/North AmericaWhat do you know about the South Polepenguinspole n.（地球的）极the South Pole 南极the North Pole 北极Pole Star 北极星explorer n. 探险家, 探测器explore v.探险, 探测, 探究Scientist likes

2、to explore the universeexploration n.(科研相关)探险,探求,开发lie v. 处于 vi. 处于,位于(+地点)现在这条山脉正位于我们的下面。The mountains lie below us now.小镇位于伦敦的东部The town lies to the east of London. vi. 躺，（平）卧躺在床上stay in bed = lie in bed vt. 撒谎You lied. = You lied to me.你骗人! 你撒谎! n.谎言 tell a lie 撒谎lie 撒谎 lied lied lyinglie 位于 lay

3、lain lyinglay 放置 laid laid 注意：serious 严肃的，认真的Dont worry.It is not serious I am seriouspoint 地点；指向point to 指向远处事物point at 指向近处事物point out 指出来My teacher pointed out my mistakeseem v. 似乎，看起来seem + as if 看起来似乎他看起来似乎以前从来没有在英国居住过。He seemed as if he had never lived in England before.seem + adj. 他看起来很有钱。He

4、seems rich.seem to beHe seems to be rich.seem that 看起来似乎It seems that he is rich.crash 坠毁car crash 撞车air crash 撞机endless 无尽的 end in the end=at last at the end of the roadThe road is endlessclear v. (凌空、不接触地)越过飞跃山峰clear the mountain那匹马越过了栅栏The horse cleared the fence. over adv. 越过(距离)go over飞跃plain n

5、. 平原;平凡的plain girl 平凡的女孩Enjoy the storyIs it easy to fly over the South Pole?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

6、 Byrd now know that he would be able to reach the South Pole ?6.Was there any difficulties?课文讲解1、In 1929, three years after his flight over the North Pole, the American explorer, R.E. Byrd, successfully flew over the South Pole for the first time.for the first time 第一次time表示“次，回”，还可以说this time，last

7、time，next time，another time，for the last time我最后一次提醒你，如果你不快点，你就会赶不上火车的。 I remind you for the last time that if you dont hurry, youll miss the train.下次你见到他的时候，把这些照片给他。 Give him these photos next time you see him.2、Though, at first, Byrd and his men were able to take a great many photographs of the mo

8、untains that lay below, they soon ran into serious trouble.though，其含义是“虽然，尽管”。不与but连用。can.可能性（只用于现在式和过去式）be able to.可能性,成功地做（可用于各种时态）take a photograph of 拍的照片run into trouble = get into trouble 遇到麻烦，陷入困境每次他遇到困难了，他都向父母寻求帮助。Each time he ran into trouble, he asked his parents for help.3、At one point, i

9、t seemed certain that their plane would crash.at one point 在某一地方，在某一时刻（point也指时间上的某一点）他曾一度下决心要当个画家。 At one point, he made up his mind to become a painter.it为形式主语，真正的主语为that引导的从句。似乎可以肯定会议将被推迟。 It now looks certain that the meeting is going to be put off.4、It could only get over the mountains if it ro

10、se to 10,000 feet.rise to 上升至5、The plane was then able to rise and it cleared the mountains by 400 feet.by表示“相差，以之差”的意思我晚了10分钟，没赶上火车。 I missed the train by ten minutes. 他比我小两岁。 He is younger than me by two years. Key structuresover, on, above can, could, be able to 区别 explorer, explosion at first at

11、/in/on 词组 a great many lie, lay, lain / lay, laid, laid / lie, lied, lied run into seem to do sth. / seem to be + adj. / seem + adj. / It seems that rise, raise by in sight / out of sight without difficultyGrammarCan 和be able to 1.can和could can比较生硬，而could相对比较客气， Can I use your telephone? 我能用一下你的电话吗？

12、 Could I use your telephone? 我能用一下您的电话吗？ 2.can和be able to can表示“能够做某事”，不一定就真的做了。而be able to表示“有能力做某事”。说明是真的尝试过了，做过了这件事情。所以赶拍胸脯说自己有这个能力。比如： I can swim 300 meters now and last year I was able to swim 100 meters. Grammar2. be able to 有比 can 更多的形式。从时态上来说：can做为情态动词，只有现在时和过去时。而be able to则有比can更多的形式，除了现在时和

13、过去时，还有将来时和完成时。 I can see you tomorrow.Ill be able to see you tomorrow.（将来时使用will be able to结构） GrammarExercise 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; 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 ca