新概念英语第二册43课市公开课金奖市赛课一等奖课件

1、第1页第2页Lesson 43Over the south pole第3页单词学习pole flight explorer lie serious point seem crash sack clear aircraft endless plain n.（地球）极n. 飞行n. 探险家v. 处于adj. 严重n. 地点v. 似乎v. 坠毁n. 袋子v. 越过n. 飞机adj. 无尽n. 平原第4页pole n.（地球）极the South Pole 南极the North Pole 北极Pole Star 北极星explorer n. 探险家, 探测者, 探测器explore v.探险, 探测

2、, 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)第5页lie v. 处于 lie（躺，位于）-lay-lain-lying vi. 处于,位于(+地点)现在这条山脉正位于我们下面。The mountains lie below us now.小镇位于伦敦东部The town lies to the east of London. vi. 躺，（平）卧躺在床上stay in bed = lie in bed当我坐在篝火旁时候，我狗躺在我旁边。While I sat by the fire, my dog

3、 lay beside me.第6页 vt. 撒谎 lie(说谎)-lied-lied-lyingtell a lie 撒谎You lied. = You lied to me.你骗人! 你撒谎! You,liar! 你, 骗子! n.谎言 ablacklie恶意谎言awhitelie善意谎言lay（放，置于）-laid-laid-layingLaythebookwhereitwas把书放回原处laythetable放桌子第7页lie(说谎)-lied-lied-lyinglie（躺，位于）-lay-lain-lyinglay（放，置于）-laid-laid-laying第8页seriousa

4、dj.1)严厉，正经aseriousconversation一次严厉谈话aseriousperson一个严厉人eg：Imseriousthistime. 我这次是认真。2)重大，危险(grave)，（疾病，伤痛等）严重aseriousproblem严重问题aseriousaccident重大事故第9页eg：Takeiteasy.Nothingserious别担心，没什么严重。seriouslyadv.认真地；危险地eg：Dontlookatmesoseriously.别那样一本正经地看着我。Hewasseriouslyinjuredinthetrafficaccident.他在交通事故中受伤严

5、重。第10页pointn1)尖端，尖头aknife-point刀尖 apencil-point铅笔尖2)点（几何中）eg：ABandCDintersectatpointP AB与CD交于P点。3)小数点，句号2.6读作：twopointsixbesidethepoint离题gettothepoint言归正传4)地点，位置aparticularpoint某个地点apointofdeparture出发点aturningpoint转折点第11页seem 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 seems as if he had never

6、lived in England before.seem + adj. 他看起来很有钱。He seems rich.seem to beHe seems to be rich.seem that 看起来似乎It seems that he is rich.第12页sackn1)大口袋，大袋子asackofrice一袋大米asackoffood一袋食物putflourinthesack把面粉装进口袋去2)（美）（超级市场等供给用户）购物袋apapersack纸袋3)(口)辞退，革职getthesack被辞退giveapersonthesack辞退sack(v.)sb 辞退4)床，睡袋hitthe

7、sack（美口）就寝睡觉holdthesack背黑锅，被留下来负担全责第13页clear v. 越过(凌空、不接触地)越过, 跳过，没有接触面飞跃飞跃山峰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. 平原plain girl 平凡女孩第14页 crashv. 坠毁crash(从上向下掉)aircrash 空难strike 撞击clash 撞击,冲突第15页听录音，然后回答以下问题。 How was the plane able to clear the mount

8、ains?The American explorer ordered his men to throw out two heavy food sacks so the plane rose to10000 feet.第16页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. Though, at first, Byrd and his men we

9、re 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 once ordered his men to throw out two heavy food sacks.

10、第17页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 endless white plains without difficulty.第18页课文讲解1、In 19

11、29, 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”，还能够说this time，last time，next time，another time，each time，for the last time我最终一次提醒你，假如你不快点，你就会赶不上火车。 I remind you for the

12、last time that if you dont hurry, youll miss the train.下次你见到他时候，把这些照片给他。 Give him these photos next time you see him.第19页（1）这句话包含两个同位语。three years after为 1929同位语，作插入性补充说明；REByrd 作 the American explorer 同位语。第20页2、Though, at first, Byrd and his men were able to take a great many photographs of the mou

13、ntains that lay below, they soon ran into serious trouble.连词though引导让步状语从句，其含义是“即使，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 拍照片在他离开家之前，他给他房子照了张照片。He took a photograph of his house before he left home.run into trouble = get into trouble 碰到麻烦，陷入困境每次他碰到困难了，他都向父

14、母寻求帮助。Each time he ran into trouble, he asked his parents for help.第21页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为先行主语，真正主语为that引导从句。it作先行主语时经常与seem，appear，look等连用：现在似乎能够

15、必定会议将被推迟。 It now looks certain that the meeting is going to be put off.第22页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 400 feet.by表示“相差，以之差”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

16、 is younger than me by two years. 第23页for there were no more mountains in sight. 因为前面再没有山了。for表示“因为”。 in sight表示“在看得见范围内”、“在可看见之处”：No man was in sight.一个人也看不见。第24页Can 和be able to区分can与be able to 使用方法上区分口语中, can 与be able to在使用方法上现有相同首先, 又有不一样地方,这是应该引发注意。当它们表示能力时候，是同义。如：He can speak two foreign langua

17、ges.He is able to speak two foreign languages.第25页表示过去经过努力终于做成了某事要用be able to，而不能用can。如： I was able to swim to the bank after the boat turned over.can 和be able to 都能够表示能力.can泛指普通能力,而且只有两种形式,即:can, couldbe able to 则主要指详细做到了某件事能力，其形式主要是靠be 发生改变，所以形式比can 多能够说：I can swim. I am able to swim. 不过不能说：All th

18、e people could escape from the big fire in time. 只能说：All the people were able to escape from the fire in time.第26页can能表猜测，be able to不能。can这种使用方法主要用于疑问句和否定句。Somebody is knocking at the door. Who can it be?It cant be our teacher who is knocking at the door.其必定形式是must be。如:It must be our teacher who is

19、 knocking at the door.第27页. be able to 后边接动词不定式表示一个实际情况时，其否定形式不是be not able to，而是cannot。如：Were you able to catch the first bus yesterday morning?No, I couldnt.7. 普通说来, be able to 后边动词不定式没有被动语态。如:Im sure he is able to correct his mistakes in grammar.不说: *Im sure his mistakes are able to be corrected by him.第28页1.Did