人教版高中英語必修二 Unit 4《WIldlife protection》-Using language[課件]

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Reading II,Dinosaur is an animal that we can not see on the earth now. What we see in the museum are the fossils of many kinds of dinosaurs. They were found by the people at home and abroad. Some dinosaurs have long necks and tails, while others look like birds.,Enjoy the video,Using language,Reading,1. When did dinosaurs live? Tens of millions of years ago. 2. When did dinosaurs die out? About 65 million years ago.,3. How did dinosaurs die out? A large rock hit the earth and put too much dust into the air. The earth got too hot to live on.,True or false,There are many different species 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.,several,Liaoning,,,F,F,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 ago and many animals have died out in the same way.,F,T,think,,1. They lived on the earth tens of millions of years ago, long before humans came into being and their future seemed secure at that time. [點撥1] 本句是一個由and連接的并列句，其中，long before 引導時間狀語從句，進一步解釋說明tens of millions of years ago，意為“在……之前很久”。注意：before long 意為“不久以后”。,Language points,,[點撥2] on the earth. 在地球上。在earth, sun, moon等表達世界上獨一無二的名詞 前, 要加the。 [點撥3] come into being的意思是“開始存 在;發(fā)生”。 我們不知道這世界是什么時候存在的。 We don’t know when the world came into being.,如： I knew Tom long before I knew you. 我在認識你之前很久就認識湯姆了。 We hope to finish our experiment before long. 我們希望不久就把實驗做完。,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,2. When scientists inspected the bones, they were surprised to find that these dinosaurs could not only run like the others but also climb trees. [點撥] 本句中的to find that .是不定式作原因狀語。不定式用來表原因時，常修飾表示情感、心理狀態(tài)、性格等的形容詞，如：,happy， glad，lucky， fortunate， surprised， angry，anxious， cruel， clever， frightened，shocked， sorry， eager， proud，disappointed， foolish， impatient，unwise， naughty等。如：,We were surprised to see him. 我們真想不到會見到他。 We are proud to be young people of new China. 作為新中國的青年，我們感到很驕傲。 You were foolish to act like that. 你那樣做很愚蠢。,3. Some scientists think it came after an unexpected incident when a huge rock from space hit the earth and put too much dust into the air. [點撥] 本句中when引導定語從句，其先行詞為incident。關系副詞when 的先行詞一般是表時間的名詞，如: He came last night when I was out. 但有時并不直接是表時間的名詞，如：,In 1921 Einstein won the Nobel Prize, and was honored in Germany until the rise of Nazism when he was driven from Germany because he was a Jew. 1921年愛因斯坦獲得了諾貝爾獎，他在德國很受尊敬。納粹上臺后由于他是猶太人而被趕出了德國。,4. According to a UN report,…. according to 根據(jù), 據(jù)…說 According to John, the bank closes at 4 p.m. Each man will be paid according to his ability.,dodo,渡渡鳥,Listening,DoDo鳥是一種不會飛的鳥，僅產于毛里求斯肥。擁有肥胖的身子和巨大的嘴。 16世紀后期，歐洲殖民者來到了毛里求斯。不會飛又跑不快的DoDo鳥很快成為歐洲人來到島上后主要的食物來源。人們開始大量的濫捕濫殺可憐的DoDo鳥，有時每天可以捕殺到幾千只到上萬只。 由于過度的捕殺,很快島上DoDo鳥便得越來越少。1681年，最后一只DoDo鳥被殘忍的殺害后，從此，地球上再也見不到這種東西了，除非是在博物館的圖片中。,Ex 3 Choose the sentence which gives the main idea of the story. Say what is wrong with the other three.,Number 2 is correct. Number 1 is wrong. It is not fair to blame the dodo for his disappearance.,Number 3 only explain half the story. The dodo and man did become friends but only because man wanted to kill all the dodos as easily as possible. Number 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 to the tape and choose 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 friendly C. he thinks the bears and monkeys lie D. Man is his best friend,,3. He didn’t realize who had killed many of his friends until _____. A. Man told him the truth B. the other birds told him C. he saw how his friend was being killed by Man D. the monkeys told him,,fierce adj. 兇猛的, 好斗的 The house is guarded by a fierce dog. 激烈的,猛烈的 The competition for jibs is fierce.,,Speaking,In pairs choose another endangered animal which you know about. Analyse why this animal is endangered.,I. 根據(jù)下列各句句意及所給單詞的首字母或漢語提示，寫出該單詞的正確形式。 1. The natural history museum has a special exhibition of _________ (恐龍). 2. The car raised quite a lot of _______ (塵土) as we drove off. 3. The police are connecting this _______ (事件) with last week’s terrorist bombing.,練習,dinosaurs,dust,incident,4. Because there is so much unemployment, the competition for jobs is f_______. 5. I quite enjoyed the book except the dull e_______.,fierce,ending,II. 根據(jù)括號內所給的提示將下列句子翻譯成英語。 一個新規(guī)則很快就要出臺了。(come into being) 2. 很奇怪，上火車前，竟然沒有人查看我的車票。(inspect),A new rule will soon come into being.,It was strange that nobody inspected my ticket before I got on the train. mirage,3. 根據(jù)專家的意見，他們馬上放棄了這項試驗。(according to) 4. 把它拿近點兒，讓我好好看看。(so that),According to expert opinions, they gave up the experiment immediately.,Bring it closer so that I can see it better.,III. 將下面方框中表示時間的短語填入短文中，使短文連貫。 long before, not long ago, at that time, after, in such a short time, recently The story happened 1__________. Old Joe and his son Tony were on their way to White River to catch some fish. They started on the trip 2__________ the sun came up. 3_______ they had driven for a while, they saw a big tortoise (龜) on the road.,not long ago,long before,After,“I haven’t seen such a big tortoise 4_______,” Old Joe said to his son. When I was young, there were a lot of tortoises in White River. They lived happily in the river 5_________. We hadn’t thought they nearly disappeared 6________________.” “Let’s help it return to the river, shall we?” said his son. “That’s a good idea,” said Old Joe. So they carried the tortoise into their car and put it in the river finally.,in such a short time,recently,at that time,Intention,Purpose,I’m going to,to help/save,I intend/ mean/ plan to,to protect…from…,I will,so that…,I’d rather not…,I’d like to,I’m ready to,I feel like…,in order to…,but do…,to teacher them a lesson.,to punish those who do harm to wildlife.,Writing,Write a letter to WWF based on what you have discussed, asking them to help you save your endangered animal.,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 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.,Sample letter,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 ways 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 into 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 Xiaoxin,同學們,來學校和回家的路上要注意安全,同學們,來學校和回家的路上要注意安全,