人教新课标高中英语必修2《Unit4 Using language》课件

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1、Using Language,Animal extinction,Reading,Reading and listening,Look at these pictures and answer questions:,They _a long time ago.,disappeared,/died out,Why, how and when,Q1:What are they?,Q2:What happened to them?,They are _,dinosaurs,Whats your impression of the dinosaur?,Large /huge,strong,fierce

2、,violent,cruel,How much do you know about dinosaurs?,Pterosaur,翼龙,Triceratops,三角龙,Stegosaurus,剑龙,tyrannosaurus,霸王龙,disaster? climate changing? over hunting? ,What might be the reasons for their extinction?,Guessing,When did dinosaurs live?,Tens of millions of years ago, long before humans came into

3、being.,When did dinosaurs disappear?,Reading,Dinosaurs died out suddenly about 65 million years ago.,What might be the possible reasons for their extinction?,Maybe thats because a huge rock from space hit the earth and put too much dust into the air or because the earth got too hot to live on.,Detai

4、led reading: True or false,There were many different kinds of dinosaur and all of them have been found in China. Not long ago, a rare new species of bird-like dinosaur was discovered in Henan Province.,a number,Liaoning,F,F,3. Some scientists are sure dinosaurs died out because the earth got too hot

5、 for the dinosaurs to live on any more. 4. Dinosaurs died out suddenly about 65 million years ago and many animals have disappeared in the last 500 years.,F,T,think,For reference,The sudden mass extinction of the non-avian dinosaurs, which occurred around 65 million years ago, is one of the most int

6、riguing mysteries in paleontology (古生物学). The nature of the event that caused this mass extinction has been extensively studied since the 1970s. At present, several related theories are broadly supported by paleontologists:,Asteroid collision Multiple collisions Environment changes,long before “早在之前

7、很久”. It will (not) be long before +从句(不久后将会) 从句用一般现在时或一般过去时, 主句用一般将来时或一般过去将来时。,Language points,Ex. It _ long before we_ the result of the experiment. A. will not be; will know B. is; will know C. will not be; know D. is; know,拓展：before long 不久以后, come into being,:形成, 产生, 漏油事件危害到了许多海鸟的生存，这促使了许多以保护鸟类为

8、目标的社会团体形成,_with oil spills _many sea birds, this has encouraged societies to _, whose _ is to save the birds,Incidents,harm,come into being,goal, 我们的学校是1997年被建立的, Our school _ in 1997,A B,set up,was set up, Our school _ in 1997,came into being,A B,was come into being,come into being 不可以用被动语态,There i

9、s a story about how the word “ sandwich”_ A came into being B was came into beingC came to power D was came to power,A, according to,: 按照，根据.所说, 根据标题和图片, 这篇文章主要讲的是什么内容？,What is the main idea of the passage _ the _ and the pictures,according to,title, We are paid _ how much work we did, _ many old pe

10、ople, he likes this kind of song,A B C D,according to,according to,as a result of,With the help of,In common with,野生动植物保护基金会定期视察大熊猫保护区，结果 那里的大熊猫得到了很好的保护。 他们确保任何大熊猫捕猎者会受到惩罚，毫不留情,The WWF _ the panda_ regularly _the pandas there are well protected. They make sure that anyonewho _ a panda will be punish

11、 _,inspects,reserve,so that,hunts,without mercy,so that,“结果”,引导结果状语从句, Please speak loudly and clearly so that,“为了”,引导目的状语从句, sothat,“如此以至于”, We turned on the light so that, The flying carpet travelled so fast that next minute they were in Zimbabwe,we may see what it was,(为了),everyone can hear you,(

12、为了),so taht,Listening,Portuguese(葡萄牙人) found the bird when they got on the Island of Mauritius and named it Dodo. In Portuguese, dodo means foolish and clumsy.,Name: Dodo Birthplace: Island of Mauritius (毛里求斯) Figure: extremely big Favorite food: fruit Appearance: bird-like,Before listening to the d

13、odos story, try to predict in pairs how it might have become extinct.,The change of weather Dodos killed each other. Human beings killed them. Lack of food Environment was destroyed. ,Possible reasons of dodos extinction.,Listen to the tape and choose the sentence on page 30 which gives the main ide

14、a of the story:,This story is about how foolish the dodo was. This story is about why the dodo became extinct. This story is about how the dodo and Man made friends. This story is about how the other birds and animals tried to save the dodo.,No 1 is wrong. It is not fair to blame the dodo for his di

15、sappearance.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.,1.How did dodo get along wi

16、th Man at first?,His name was Man, and at first we seemed to be _ _. We went _ together and I _ my food with him.,He went off _ _ he was going to hunt but instead he _ in the forest and waited.,good friends,everywhere,shared,as if,hid,2.When more dodos disappeared, what did the dodo do?,QUESTIONS,Ch

17、oose the correct answer to complete each sentence.,1. The dodo is_.A. fierce B. unkind C. friendly D. foolish,2. He wants to believe that Man is telling the truth because _.A. Man is friendly B. he think Man is friendlyC. he thinks the bears and monkeys lie D. Man is his best friend,3. He didnt real

18、ize who had killed many of his friends until _.A. Man told him the truth B. the other birds told himC. he saw how his friend was being killed by Man D. the monkeys told him,The story of the dodoOnce upon a time I lived on the island of Mauritius. I was called “dodo”. There were many of us and we wer

19、e friends with all the other animals on the island.One day a new animal came to my island. His name was Man, and at first we seemed to be good friends. We went everywhere together and I shared my food with him.,Listening text,However, I began to wonder why several of my dodo friends had disappeared.

20、 Then the number of our species began to decrease quickly. I was so worried that I asked the other animals and they all told me, “Your friends are being killed and eaten by Man while you are hunting for food.” Had Man eaten them? I couldnt believe it! When I asked Man directly, he seemed surprised.

21、“I havent seen the other dodos either.” he said. “Maybe someone else killed them.”,I believed him but when more dodos disappeared I set a trap. I went off as if I was going to hunt but instead I hid in the forest and waited. Sure enough Man came along. He ran after the last of my dodo friends and ki

22、lled her. I felt so angry that I rushed out of my hiding place and straight at Mans spear. He killed me too. After that there were no more dodos in the world. So my motto is: be careful who you trust.,In pairs choose another endangered animal which you know about. Analyse why this animal is endanger

23、ed.,over hunted lack of food habitat is being threatened,Speaking,For example,North Pole,Africa,Warming of the seas means it is losing its habitat of ice flows,1 Destruction of the grasslands where it lives 2 Hunting for its horn 3 Too friendly and so easily caught,INTENTION,PURPOSE,Im going to ,to

24、help/save,I intend/mean/ plan to ,to protect from,I will ,so that ,Discuss what you might do to save it. Useful phrases,I feel like ,Id like to ,Im ready to ,Id rather not ,in order to ,but do ,to teach them a lesson,to punish those who do harm to wildlife,Support zoos, reserves, and organizations t

25、hat help animals. Volunteer your money, time and ideas.,Everyone shares a responsibility in helping to save endangered animals that live on Earth. Here are some ways we can help all wildlife:,WAYS TO SAVE ENDANGERED ANIMALS,Avoid buying any products made from endangered animals. Learn all about enda

26、ngered animals and share this information with everyone. Dont pollute.,Write a letter to WWF based on what you have discussed, asking them to help you save your endangered animals. All letters have a start and an ending. The language used depends on how well the writer knows the person to whom he /

27、she is writing. (pay attention to the guidelines on your book),Writing,Step 1 : Collect your ideas for the letter and write down as notes.,Step 2: Begin your letter like this: Dear WWF, I live on an island near ,Step 3: Finish the letter by writing :Yours sincerely.(your name),Step 4: Check your wri

28、ting and share your ideas with the class by reading them aloud.,Formal start to the letter,Body,Formal ending to the letter,Sample letter to WWF,Dear WWF, My friend, Chen Ting, and I have been doing some research on endangered animals. We found that the habitat of polar bears is disappearing because

29、 the ice at the North Pole is getting warmer. I worry that when is disappears altogether, there will be nowhere for the polar bears to live.,First, I suggest we are very careful with the energy we use. Global warming happens because we are putting too much carbon dioxide into the air. One of the way

30、s we do this is by driving everywhere by car. So I suggest we think carefully before using our cars unnecessarily.,Second, instead of using our cars we should think about traveling by bus or by train. These forms of transport are more environmentally friendly and do not put so much carbon dioxide in

31、to the atmosphere.,Third, we can join WWF which is fighting to save the habitat of the polar bear. We can raise money to help them by making and selling cakes, selling crafts or giving talent shows and charging money for our parents to watch.I hope you will support us in our fight to save the home of the Polar Bears.Yours sincerely Wu Xiao Xing,Homework,1. Review the words and expressions weve learned. 2. Finish the exercises on the Workbook.,Thank you!,