新概念第二册lesson42-43课件.ppt

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1、1What can the snake do?Where is the snake?What do you think of this snake?2lion(s)3monkey(s)4elephant(s)5deer6giraffe(s)7A hippo891011121314musical adj.精通音乐的精通音乐的market n.市场，集市市场，集市snake charmer 玩蛇者（通常借音乐控玩蛇者（通常借音乐控制）制）pipe n.（吹奏的）管乐器（吹奏的）管乐器tune n.曲调曲调glimpse n.一瞥一瞥snake n.蛇蛇movement n.动作动作continue

2、 v.继续继续dance v.跳舞跳舞obviously adv.显然显然difference n.差别差别Indian adj.印度的印度的151.Where had the writer had a long walk?2.Why did he stop at a square?3.Who did he notice after a time?4.How many baskets did a snake charmer have?5.What was his pipe covered with?6.When did the writer have the first glimpse of

3、the snake?7.Did the snake rise out of the basket?8.What movement did the snake begin to follow?9.What kind of music did the snake charmer play?10.How did the writer feel?161.have a long walk 复习有关have词组(L18)2.through,across 3.notice/see/watch/hear sb.do/doing sth.4.at the other side of,another,other,

4、the other,others,the others5.be covered with6.play jazz,play a tune7.have/catch/get the first glimpse of 8.rise out of,raise ones hand=hands up9.continue=go on to do sth.10.tell the difference between and 17What kind of music do you like?a.When you want to relax?b.when you are dancing?c.at a concert

5、?Give reasons for your choice.18Classical music is the one that happened in European country such as Germany,France,Poland before the world war second.It includes serenade,symphony,piano music,concerto,violin music,quartet etc.After the second world war,most of the music is PoP,including Jazz,Hip-ho

6、p,Rock and Roll,R&B,Nature music,Rap,light music,etc.Folk music is created by one people through many years.Polka,Mazurka are foreign countrys folk music.Chinese zither music,Chinese flute music,erhu fiddle musicare our countrys folk music.古典音乐是发生在二战以前欧洲所流行的音乐，流行于德国，法国，波兰等国家。它包括小夜曲，交响乐，钢琴曲，协奏曲，小提琴曲，

7、四重奏等。二战过后大部分的音乐是流行歌曲，包括爵士乐，嘻哈音乐，摇滚乐，蓝调音乐，自然派音乐，绕舌音乐，轻音乐等。民族音乐是一个民族经过若干年创造的音乐，波尔卡，玛祖卡等是外国的民族音乐，古筝曲，古笛曲，二胡曲等是我国的民族音乐。1920FFour oceans in the world Pacific oceanIndian oceanArctic oceanAAtlanticoceanearth太平洋太平洋大西洋大西洋印度洋印度洋北冰洋北冰洋21The map of the world Latin/South/North America2223单词学习单词学习pole flight exp

8、lorer lie （lay,lain)serious point seem crash sack clear aircraft endless plain n.（地球的）极（地球的）极n.飞行飞行n.探险家探险家v.处于处于adj.严重的严重的n.地点地点v.似乎似乎v.坠毁坠毁n.袋子袋子v.越过越过n.飞机飞机adj.无尽的无尽的n.平原平原242023/6/3pole n.（地球的）极（地球的）极the South Pole 南极南极the North Pole 北极北极Pole Star 北极星北极星explorer n.探险家探险家,探测者探测者,探测器探测器explore v.探

9、险探险,探测探测,探究探究exploration n.(科研相关科研相关)探险探险,探求探求,开发开发adventure n.冒险冒险(追求刺激追求刺激)venture n.冒险冒险(为了财富为了财富)252023/6/3lie v.处于处于 vi.处于处于,位于位于(+地点地点)现在这条山脉正位于我们的下面。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小镇位于伦敦的东部The town lies to the east of London.vi.躺，（平）卧躺，（平）卧躺在床上躺在床上stay in bed=lie in be

10、d当我坐在篝火旁的时候，我的狗躺在我的旁边。当我坐在篝火旁的时候，我的狗躺在我的旁边。While I sat by the fire,my dog lay beside me.vt.撒谎撒谎tell a lie 撒谎撒谎You lied.=You lied to me.你骗人你骗人!你撒谎你撒谎!You,liar!你你,骗子骗子!n.谎言谎言 262023/6/3seem v.似乎，看起来似乎，看起来seem+as if 看起来似乎看起来似乎他看起来似乎以前从来没有在英国居住过。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 E

11、ngland before.seem+adj.他看起来很有钱。他看起来很有钱。He seems rich.seem to beHe seems to be rich.seem that 看起来似乎看起来似乎It seems that he is rich.272023/6/3clear v.越过越过(凌空、不接触地凌空、不接触地)越过越过,跳过，没有接触面跳过，没有接触面的飞跃的飞跃飞跃山峰飞跃山峰clear the mountain那匹马越过了栅栏那匹马越过了栅栏The horse cleared the fence.over adv.越过越过(距离距离)go over飞跃飞跃plain n

12、.平原平原plain girl 平凡的女孩平凡的女孩282023/6/3Enjoy the storyHow was the plane able to clear the mountains?292023/6/3The American explorer ordered his men to throw out two heavy food sacks so the plane rose to 10,000 feet.302023/6/3In 1929,three years after his flight over the North Pole,the American explorer

13、,R.E.Byrd,successfully flew over the South Pole for 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 mou

14、ntains if it rose to 10,000 feet.Byrd at once ordered his men to throw out two heavy food sacks.312023/6/3The 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

15、sight.The aircraft was able to fly over the endless white plains without difficulty.322023/6/3课文讲解课文讲解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 第一次第一次time表示表示“次，回次，回”，还可以说，还可以说

16、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，你就会赶不我最后一次提醒你，如果你不快点，你就会赶不上火车的。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。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.332023/6/32、Though,at f

17、irst,Byrd and his men were able to take a great many photographs of the mountains that lay below,they soon ran into serious trouble.连词连词though引导让步状语从句，其含义是引导让步状语从句，其含义是“虽然虽然，尽管，尽管”。它永远不与。它永远不与but连用。连用。can.可能性（只用于现在式和过去式）可能性（只用于现在式和过去式）be able to.可能性可能性,成功地做（可用于各种时态）成功地做（可用于各种时态）take a photograph of

18、拍拍的照片的照片在他离开家之前，他给他的房子照了张照片。在他离开家之前，他给他的房子照了张照片。He took a photograph of his house before he left home.run into trouble=get into trouble 遇到麻烦，陷入遇到麻烦，陷入困境困境每次他遇到困难了，他都向父母寻求帮助。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.342023/6/33、At one point,it seemed certain that

19、their plane would crash.at one point 在某一地方，在某一时刻（在某一地方，在某一时刻（point也指时间上的某一点）也指时间上的某一点）他曾一度下决心要当个画家。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为先行主语，真正的主语为为先行主语，真正的主语为that引导的从句。引导的从句。it作先行主语时经常与作先行主语时经常与seem，appear，look等连等连用：用：现在似乎可以肯定会议将被推迟。现在似乎可以肯定会议将被推迟。It now looks certai

20、n that the meeting is going to be put off.352023/6/34、It could only get over the mountains if it rose to 10,000 feet.rise to 上升至上升至5、The plane was then able to rise and it cleared the mountains by 400 feet.by表示表示“相差，以相差，以之差之差”的意思的意思我晚了我晚了10分钟，没赶上火车。分钟，没赶上火车。I missed the train by ten minutes.他比我小两岁。他

21、比我小两岁。He is younger than me by two years.362023/6/31.over,on,above 2.can,could,be able to 区别区别3.explorer,explosion4.at first at/in/on 词组词组5.a great many6.lie,lay,lain/lay,laid,laid/lie,lied,lied7.run into 8.seem to do sth./seem to be+adj./seem+adj./It seems that 9.rise,raise10.by 11.in sight/out of

22、sight12.without difficulty37Can 和和be able to 1.can和和could 我们已经讲过我们已经讲过can和和could都可以表示都可以表示“请求允许做某事请求允许做某事”，can比较生硬，用于和自己同等的人或是熟悉的朋友。而比较生硬，用于和自己同等的人或是熟悉的朋友。而could相对比相对比较客气，显得更加礼貌，同时也反映出请求者的犹豫不决。较客气，显得更加礼貌，同时也反映出请求者的犹豫不决。Can I use your telephone?我能用一下你的电话吗？我能用一下你的电话吗？Could I use your telephone?我能用一下您的

23、电话吗？我能用一下您的电话吗？2.can和和be able to can和和be able to都可以解释为都可以解释为“能够、可以能够、可以”。可以表示。可以表示“有能力有能力来做某事、有时间来做某事，有办法来完成某事来做某事、有时间来做某事，有办法来完成某事”等等。我们在等等。我们在区别他们时，需要注意的区别他们时，需要注意的38a.在表示现在或过去的智力、体力、技能等方面的“能力”时,can、could常可与 be able to互换。I can swim now.=I am able to swim.我会游泳。b.can表示“能够做某事”，不一定就真的做了。而be able to表示“

24、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.我现在能够游300米，去年我可以游100米的。这句话中，第一部分“I can swim 300 meters now”，表示“我现在能够游300米”只是说说而已，并不说明已经游过了。而后面部分“last year I was able to swim 100 meters”，表示我去年的确是游过了，可以游100米的。39c.be able to 有比 can 更多的形式

25、。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，除了现在时和过去时，还有将来时和完成时。He will come if he can.=He will come if he is able to.I can see you tomorrow.Ill be able to see you tomorrow.（将来时使用will be able to结构）I couldnt understand him.=I wasnt able to understand him.（过去时使用was/were able to结构）He said he cou

26、ld see me next week.=He said he would be able to see me next week.(过去将来时使用would be able to结构)请大家注意，如果要体现将来时和完成时，那只能用be able to。因为can作为情态动词只有现在时和过去时。40综合上面的几点，我们简单总结一下：can和be able to在表示个人能力时，一般可以进行互换。Can表示“能够做某事”，是未经尝试过的能力；而be able to则多表示“有能力做某事”多为已经过事实验证的。Can用于现在时和过去时；而be able to由于有个be动词，所以它时态的使用就灵活

27、了许多，将来时、完成时等时态用be able to表示则非常清晰方便。下面最后一点：当我们要表示一个动作已经成功的在过去完成的时候，我们必须使用was able to，而不能使用could。41He was able to go to London yesterday and he enjoyed himself very much.他昨天去了伦敦，玩得非常高兴。He didnt agree with me at first but I was able to persuade him.他开始不同意我的观点，但我最终说服了他。He was able to leave Europe before the war began.他在战争开始之前得以离开欧洲。42Do more exercises on P.197Do more exercises on P.1971.b 2.b 3.a 4.a 5.d 6.d 7.a 8.c 9.c 10.d 11.a 12.c43