高中英语必修二unit4usinglanguage.ppt

1、Using language,what are they?,dinosaurs,milu,dodos,Guess: What the reasons might be for their disappearance?,Reading:,1. When did the dinosaurs live?,Read the passage to answer the questions,2. What researches have people done on the dinosaurs ?,3. Why did the dinosaurs die out?,1.When did the dinos

2、aurs live?,They lived on the earth tens of millions of years ago, long before humans came into being.,2.What researches have people done on the dinosaurs ?,1). The eggs of twentyfive species have been found in Xixia County, Nan yang, Henan Province. 2). The rare new species of birdlike dinosaur was

3、discovered in Chaoyang County, Liaoning Province.,3. Why did the dinosaurs die out?,1). A large rock hit the earth, and put too much dust into the air. 2). The earth got too hot for the dinosaurs to live on it any more. 3). Nobody knows for sure.,1. There are many different species of dinosaur and a

4、ll of them have been found in China. 2. Not long ago, a rare new species of bird-like dinosaur was discovered in Henan Province. 3. Some scientists are sure dinosaurs died out because the earth got too hot for the dinosaurs to live on any more. 4. Dinosaurs died out quickly about 65 million years ag

5、o and many animals have died out in the same way.,a number of,Liaoning,think,F,F,F,T,True or false,Discuss the possible reasons for the disappearance of dinosaurs. Think about what is mentioned in the text. 1. It came after an unexpected incident when a huge rock from space hit the earth and put too

6、 much dust into the air. 2. The earth got too hot to live on.,e into being: 形成；产生；开始存在 我们不知道地球是何时开始存在的 We dont know when the earth came into being. 这个组织诞生于1990年。 The organization came into being in 1990. 拓展: bring into being: from the time being: come into use： come into flower: come into ones mind

7、/ head: come into fashion: come into existence: come into consideration:,使形成，使产生,暂时，眼下,开始被使用,开花,突然想到,开始流行,开始存在,开始考虑,2.before long与long before的区别 1). before long 的意思是“不久，很快”。 （用于一般将来时或一般过去时） Ill be back before long. 不久我就回来。（一般将来时） Before long he got married. 不久他就结婚了。（一般过去时）,2). long before有两个用法： (1)

8、老早，早就 (单独使用，表示比过去某时早得多的时间。用于过去完成时) She had left long before. 她老早就离开了。（过去完成时） That had happened long before. 那事老早就发生了。（过去完成时） (2) 在的很久以前，在还没有的很久以前。 She had left long before his return/ he returned. （过去完成时） He had worked in the factory long before he got married. （过去完成时）,【注】： long ago 表示“很久以前”，指的是从现在算

9、起的很久以前， 通常与一般过去时连用： I met him long ago. 我很久以前就认识他了。（一般过去时）,3 .inspect vt. 检查；视察 1). It was strange that nobody inspected my ticket before I got on the train. 2). Police were called out to keep at the airport, and inspect the arriving planes. check 检查，（确保某事物正确，安全或出于良好状态） Check to see if they have don

10、e the work. examine 仔细观察，检查，调查（查验事实，理论，依据） The police examined the window for fingerprints. inspect 指仔细查看是否有不足之处或不标准的地方。 They inspected the work of the institute.,4. incident n. Can event which is either unpleasant or unusual: 发生的事, 小插曲 敌对行动, 军事冲突 骚乱, 事故, 暴力事件 Xian Incident 西安事变 a short scene or inc

11、ident from a movie 电影中的小插曲,Listen to the tape and choose the sentence which is the best for describing what happened.,Listening-answering the following questions (5m) (p30 Ex2),This story is about how foolish the dodo was. This story is about why the dodo appeared. This story is about how the dodo a

12、nd man made friends. This story is about how the other birds and the monkeys tried to save the dodo.,Listen to the tape and choose the sentence on page 30 which gives the main idea of the story:,This story is about how the dodo became extinct.,No 1 is wrong. It is not fair to blame the dodo for his

13、disappearance. No 3 only explains half the story. The dodo and man did become friends but only because man wanted to kill the dodos as easily as possible. No 4 is wrong because the other animals and birds did not do much to save the dodo. They warned him but did not help him.,Listen again and choose

14、 the correct answer on page 30.,Keys: 1 C 2 B 3 C,Fill in the text. Once upon a time I lived on the earth too. I was called “dodo”. My home was an _ called Mauritius. I was _ and _ and quite _from most of the animals there. I liked to make friends with the other animals and never _. I have no enemie

15、s. We were birds too, but we were large and only had small _. My favorite activity was to _ along the beach and wait till the insects were ready to be eaten.,island,curious,kind-hearted,different,quarreled,wings,wander,Listen to the tape,Once upon a time I lived on earth too. I was called “dodo”. My

16、 home was an island called Mauritius. I was curious and kind-hearted and quite different from most of the other animals there. I liked to make friends with the other animals and never quarreled. I had no enemies. My best friends were the other birds, the monkeys and all the other dodos of course. Th

17、ere were many of us. We were birds too but we were large and only had small wings. My favourite activity was to wander along the beach and wait till the insects were ready to be eaten. One day a new animal came to my island. It was called man and at first we seemed to be good friends. Man followed m

18、e everywhere and I gave him some of my insects to eat. But one day I wondered where my other dodo friends were. Several of them seemed to have disappeared. I asked the other birds and the monkeys. They all said the same thing. “Your friends are being hunted and killed while you are walling on the be

19、ach.” Had man eaten them? I could not believe it. So I asked my friends man, if it was true. He seemed surprised. “I have not seen the other dodos lately,” he said, “Perhaps they are being killed and eaten by some other animals.” When more dodos disappeared, I set a trap. I pretended to go for my wa

20、lk but instead I hid in the forest and waited. Sure enough man came along. He ran after the last of my dodo friends and I saw him kill her. I felt so angry that I rushed out straight at mans spear. He killed me too. I was the last of my species. After that there were no more dodos in the world. My a

21、dvice is : be careful who you trust.,Listening text,In pairs choose another endangered animal which you know about. Analyse why this animal is endangered.,over hunted lack of food habitat is being threatened,Speaking,Imagine you are with the dodo and you try to help it.,How could you help him?,Im go

22、ing to I intend / mean / plan to I will I feel like Id like to I m ready to I would rather not tell you,help the dodo hide it in a cave. trap man as he kills a dodo. attacking man myself put man in a cage. teach man how to be friends. what I think of man.,Intension :help to explain your ideas to help the dodo,Purpose: suggestions to give you an idea of what they might put forward.,e.g. Im going to help the dodo, for it was so lovely. I mean to drive it