外研版英语必修四课件:Module 6 Listening and vocabualry
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1、Listening and vocabulary,Guess the Chinese meaning of the words according to the pictures.,Volcanic eruption,crater,dust cloud,nuts,galaxy,meteorite,seeds,Some words related to dinosaurs,Complete the sentences with the words below. adapt, climate, disappear, extinct, evolve, survive,1. The _ of a co
2、untry is the type of weather it has.,climate,2. If an animal or plant is _, it existed a long time ago but doesnt exist now. 3. When things _, they no longer happen or exist. 4. When people or animals _, they dont die after an accident or an illness.,extinct,disappear,survive,5. If you can _ to some
3、thing, you can change in order to make the situation better. 6. When animals or plants _, they change and develop over a long period of time.,adapt,evolve,Discussion 1. How much do you know about dinosaurs? 2. Have you ever seen any films or read any books about dinosaurs?What interests you most?,3.
4、 In your opinion, why dinosaurs disappeared from the earth? Give your reasons.,Open answers,Work in pairs and answer the questions about dinosaurs. (Listen and check) 1. Dinosaurs ruled the earth for about _million years.A. two B. twenty C. two hundred,2. They ate _.A. plants B. meat C. both plant a
5、nd meat 3. They became extinct _years ago.A. 600,000 B. 6 million C. 66 million,4. Their nearest relatives today are _.A. birds B. fish C. mammals,Tapescript,Good afternoon, and welcome to this weeks edition of Mysteries of Nature. Todays topic is a big one-its dinosaurs, those strange creatures whi
6、ch ruled the earth for no less than two hundred million years, some of them were plant eaters, others were like the infamous,Tyrannosaurus Rex, carnivores who lived off meant and who attacked the more peaceful plant eating dinosaurs. Not all dinosaurs were bigsome were the size of chickens, and in f
7、act the closest things to dinosaurs living today are actually birds.,But the mystery we are going to talk about today is why the dinosaurs suddenly disappeared exactly 66 million years ago, and to throw light on the subject, weve invited one of the worlds foremost experts on the subject, from the Pi
8、tt Rivers Museum in Oxford, Dr Roger Binfield.,Listen to the second part of the tape and discuss how many explanations are given for the disappearance of the dinosaurs?,Five.,1. A meteorite hit the earth.,2. They stopped evolving.,3. They killed each other .,4. A volcanic eruption.,5. Cancer caused
9、by radiation.,Listen to the tape again and decide which statements are true .A huge meteorite may have hit all the dinosaurs. 2. Perhaps a dust cloud made the world dark. 3. A meteorite caused a volcaniceruption.,4. The dinosaurs had to eat seeds and nuts to survive. 5. Perhaps too much fighting cau
10、sed the dinosaurs to die out. 6. One scientist believed the dinosaurs became ill when they ate the wrong food.,7. There may be dinosaurs today living in other galaxies. 8. Dr Binfield thinks the crater near Mexico was caused by a meteorite.,A discussion after listening,Which theory do you think is m
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