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人教版英语选修七第三单元课件.ppt

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1、Unit 3,Under the sea,What can you see in the video?,coral 珊瑚,anemone fish海葵鱼,jellyfish 水母,turtle 海龟,1,2,3,4,5,sea star海星,dolphin 海豚,shark 鲨鱼,Which one is crueler ?,killer whale 虎鲸,baleen whale 须鲸,Which one is crueler ?,Pre-reading,Read the text in the page 19 and then complete the chart.,anecdote,an

2、 old man called Clancy,a whaler,on the southeastern of Australia,at the beginning of the 20th century,Killer whales helped whalers catch the baleen whales.,baleen,killer,blow-hole,whalers,_ whale,_whales,catch/kill,help,The whaler hunting at the beginning of 20th century,捕鲸(whale hunting),将系有绳索的铦或叉、

3、镖等,采用射击或投掷方式刺入鲸体进行猎捕。猎捕对象有须鲸和齿鲸两类,以蓝鲸、长须鲸、露脊鲸、抹香鲸、座头鲸、北极鲸、灰鲸、鳁鲸、小鳁鲸等为主。由于鲸油是贵重的工业原料,历史上欧洲和美洲一些国家的捕鲸活动长盛不衰。自20世纪中叶起,由于过度猎捕导致资源衰退以及国际上对捕鲸的限制,捕鲸业已趋衰落。,Background,传统捕鲸方法:6名捕鲸者离开大船,乘小艇追逐鲸鱼,小艇通常长8.5公尺,装备有具倒钩的捕鲸铦和长索。鲸一旦被铦刺中,便带着绳索逃遁,直到筋疲力尽浮出水面,人们在那儿用捕鲸枪(一种更长的捕鲸铦)将它杀死,用绳索拖到大船边,用有刃的长枪割取油脂,并把尸体抛弃。现代捕鲸业肇: 挪威人福伊

4、恩发明了一种捕鲸炮,用来发射内充炸药的标枪。后来又使用了动力船,与捕鲸炮相得益彰,这些方法使用至今几乎没有什么变化。,Fast-reading,Task 1 : Read the text and then fill in the blanks with their names.,1._ was 16 years of age when he went to work at the whaling station. 2._ ordered Clancy to go to the boat as there was a whale out there in the bay. 3._ was sw

5、imming by the boat,showing the whalers the way. 4._ told Clancy that they would return the next day to bring in the body of the whale. 5._ was carried by the waves further and further away from the whalers. 6._ knew that Old Tom would protect James.,Clancy,George,Old Tom,Jack,James,Red,The passage i

6、s mainly about _ parts.,Task 2 : Main idea,Old Tom _ the whaler from the shark,Old Tom _ the whalers to hunt the whales.,helped,protected,2,Careful-reading,Part 1,Put the following sentences in order.,( ) He ran down to the shore and saw a huge animal in the water, which was Old Tom, the killer whal

7、e. ( ) The killer whale guided the team to the hunt. ( ) The killers ate the lips and tongue of the baleen whale. ( ) Clancy arrived at the whaling station. ( ) He heard a loud noise coming from the bay as he was sorting out his accommodation. ( ) The men went to the boat and headed out for a whale

8、hunt. ( ) Clancy and his men killed the baleen whale with the help of the killers. ( ) The men returned for the baleen whale the next day.,3,5,7,1,4,6,2,8,_itself out of the _and then _again.,Tell the whalers theres a _ out there.,Throwing,water,crashing down,whale,Questions: What did the killer wha

9、le do in the whale-hunt?,Swimming _ showing the whalers_,by the boat,the way,Lead the whalers to the hunt.,Help the whalers kill the whale,Throwing themselves _; Stopping it_ and _,on top of the whales blow hole to stop it breathing,diving,fleeing out to sea,drag the body swiftly down to the _of the

10、 sea.,depths,have a good feed on its_ and _,lips,tongue,Why did the whalers go home without bringing in the body of the whale? A. They just did the hunting for fun. B. They left it eaten up by the killers. C. It was dragged to the depths of the sea. D. They just waited for it to float up.,D,What may

11、 happen to the man ?,Part 2,T or F,1. Because Old Tom and the other killers were too fierce, they also would harm or attacked people.2.James was afraid of being abandoned by us.3.No one saved James, and he was killed by a shark.,F,T,F,washed off,rough,difficult,waves,a shark,terrified,near,held up,p

12、ulled back,We can infer from the text that_. A. The killer whales may be trained by the whalers. B. The killer whales want to help man catch the whales themselves C. The killer whales need no training for helping the whalers D. The killer whales want to eat the whales after killing them,A,Conclusion

13、,Although the killers were _hunters, they never _ or _ people. In fact, they _ them. However, whales are now in _. They are _ out.,Fill in the forms according to the text,fierce,harmed,attacked,protected,danger,dying,Discussion,The last whaling station in Australia closed in 1978. Whales are now an

14、endangered species and inneed of conservation. They are now protected by an international ban on whaling. However, some countries oppose the ban. In groups, discuss the reason for and againstbanning whaling.,Useful expressions,As far as Im concerned, In my opinion, From my point of view, Personally, I think, It would seem to me that As far as Im able to judge, As I see it, Frankly, I think,

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