新概念二 Lesson 43课件

1、Lesson 43Lesson 43over the south PoLeover the south PoLeWarm up-English jokes Three turtles decided to have a cup of coffee. Just as they got into the cafe, it started to rain. The biggest turtle said to the smallest one, Go home and get the umbrella. The little turtle replied, I will, if you dont d

2、rink my offee. We wont, the other two promised. Two years later the big turtle said to the middle turtle, Well, I guess he isnt coming back, so we might as well drink his coffee. Just then a voice called from outside the door, If you do, I wont go.New words and expressionspole n.（地球的）极the South Pole

3、 南极；the North Pole 北极Pole Star 北极星flight n. 飞行fly v. 飞explorer n. 探险家, 探测者, 探测器 计Windows资源管理器explore v.探险, 探测, 探究exploration n.(科研相关)探险,探求,开发adventure n.冒险(追求刺激)venture n. 冒险(为了财富,没有生命保障)lie v. 处于 vi. (laylei，lainlein) 处于,位于(+地点)The mountains lie below us now.The town lies to the east of London. vi.

4、 (laylei，lainlein) 躺，（平）卧lie 现在分词- lying stay in bed = lie in bed 躺在床上 While I sat by the fire, my dog lay beside me. vt.（lied，lied） 撒谎 You lied. = You lied to me.你骗人! 你撒谎! You,liar! 你, 骗子! n.(惯于)说谎者) n.谎言 lay （laid,laid） vt. 放,放置 lay sth. vt. 下蛋, 产卵lay an egg 下一个蛋hang（hung，hung） 挂,悬挂hang（hanged，han

5、ged） 绞刑point n. 地点 point 点，一般指从飞机上向下看的点地点 place，中的 “.” 读为dot（点）读为atseem v. 似乎，看起来seem + as if 看起来似乎He seems as if he had never lived in England before.seem + adj. He seems rich.seem to be He seems to be rich.seem that看起来似乎 It seems that he is rich.crash v. 坠毁（从上向下掉）；n. 冲突, 撞击声, 抵触 aircrash 空难 ， carc

6、rash 车祸strike v. 撞击collide vi.碰撞, 抵触(两个都运动的东西相撞)clear v. 越过clear v. (凌空、不接触地)越过, 跳过，没有接触面的飞跃clear the mountain 飞跃山峰The horse cleared the fense. （fense n.篱笆,栅栏,墙 v.围住,防护）over adv. 越过(距离)go over飞跃plain n. 平原plain girl 平凡的女孩Im a plain girl.mountains n. 高山Listening & comprehension 1. When did the ma

7、n 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 reach the South Pole ? 6.Was there any difficulties? Lead-in F Fou

8、r oceans in the world Pacific oceanIndian oceanArctic oceanAAtlanticoceanearthThe map of the world南极洲：Antarctica Latin/South/North AmericaText analysis1、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 ti

9、me. for the first time 第一次 time表示“次，回”，还可以说 this time，last time，next time，another time，each 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

10、, Byrd and his men were able to take a great many photographs of the mountains that lay below, they soon ran into serious trouble. 连词though引导让步状语从句，其含义是“虽然，尽管”。它永远不与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 在他离开家之前，他给他的房子照了张照片。 He took a photograph of his hous

11、e before he left home. 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, it 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 mi

12、nd to become a painter. it为先行主语，真正的主语为that引导的从句。it作先行主语时经常与seem，appear，look等连用： 现在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 rose to 10,000 feet. rise to 上升至5、The plane was then able to rise and it cleared the mountains by

13、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 structuresCan and Be able to情态助动词can/could用于表示请求别人允许或答复时的情况:Can/Could I borrow you pen?can有时可以表示可能性：I can have lunch with your tomorrow if you like.在表示天生的或学到的能力时，can/could可用于现在

14、时和过去时，can/could与be able to通常可以互换，表示将来的“能力”时，则用will be able to：I could drive a car by the time I was sixteen. I tried again and found I could/was able to swim.Can Jane swim yet?No, but shell be able to swim in a few months time.在谈到说话时正在发生的事时，一般不用be able to：Look! I can stand on my head.在表示成功地完成某一具体动作时

15、，通常不用could，而用be able to；如果表示某一动作没有取得成功， 则可用couldnt：Its pity he couldnt visit Mary.Oh, didnt you know? He was able to visit her after all.He was able to leave Europe before the war began. 他在战争开始之前得以离开欧洲。He was able to go to London yesterday and he enjoyed himself very much.在问及过去某一具体活动时可用could，但回答是肯定的

16、时候则不能：Could he borrow a car?Yes, he was able to borrow a car after all./No, he couldnt.Special Difficulties 含有介词at的词组at与许多词可以构成固定词组，其中表示时间的有：at first（开始时，最初），at once（马上，立刻），at present（目前，现在），at last（最后，终于），at times（有时），at the moment（现在）；表示地点的有：at home（在家），at school（在学校）；表示程度的有：at least（至少），at any rate（不管怎样）；其它词组有at heart（内心里，实际上），at a loss（困惑不解，不知怎么办）等。At any rate, Im determined to stay here at present.At least, Im not