BOOK UNIT ANIMAL EXTINCTION的实用学习课件.pptxVIP

BOOK UNIT ANIMAL EXTINCTION的实用学习课件第1页/共22页 第2页/共22页 Dinosaurs第3页/共22页 Animal ExtinctionAnimal Extinction第4页/共22页 Read the passage quickly and find out its main idea.The main idea of the passage is about_____.how dinosaurs were discovered.dinosaurs’ extinctionHow dinosaurs became endangered第5页/共22页 1 When did the dinosaurs live?Read paragraph 1, and answer questions.Tens of millions of years ago, long before humans came into being.2.What are the special characters of the new species of dinosaurs? How did the scientists know that? They are bird-like dinosaurs. They can not only run like the others but also climb trees. The scientists learned this from the way the bones were joined together.第6页/共22页 Why dinosaurs died out suddenly?2. What are the scientists’ opinions?1 When did the dinosaurs disappear?They died out suddenly about 65 million years ago.Paragraph 2Some 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. Others think the earth got too hot for the dinosaurs to live on.第7页/共22页 Dinosaurs lived on the earth ____ human ___ ___ ___ and their future seemed ______ at that time. There were many different kinds of dinosaurs and a number of them ___ __ live in China. Not long ago, scientists _______ the bones of a rare new species in Liaoning, and they were _______ to find that the species can both run and climb trees. Dinosaurs ___ ___ suddenly about 65 millions years ago. ______ ___some scientists, it came after an _________ _____, while others think the earth got ____ hot for them to live on any more, but nobody knows ___ ___ why and how they _________.fill in the blanksbeforecame into beingsecureused toinspectedsurpriseddied outunexpectedincidenttoofor suredisappearedAccording to第8页/共22页 dodo渡渡鸟 Listening第9页/共22页 This story is about how foolish the dodo was. This story is about how the dodo became extinct. This story is about how the dodo and Man became friends. This story i