教学ppt课件 unit 10 reading are we endangered.pptVIP

SENIOR ENGLISH BOOK ONE  UNIT 10 READING ARE WE ENDANGERED? Wang Ting The earth used to be a beautiful green park, where we lived peacefully with all the plants and animals around us. But one day, things started going wrong… What on earth have we been doing ? We cut down ______ , trees we hunted ________ , animals we poured waste water into ______ , rivers we threw r_______ here and there, ubbish and our cars and factories gave off p_________ gases all day and all night… oisonous We even drove the animals off their h____________ . abitats/homes We thought we were the rulers(统治者) of the earth. Are we endangered? Panda fur Tiger in cage Just look at these photos. Troubled chimpanzee(大猩猩） We are your friends!!! What’s wrong with you, human beings?! If you are these animals, what do you want to say to human beings? 1. Animals and plants live separated in an ecosystem. 2 . Each species has a special function. 3. Animals and plants “ help ” each other in different ways: a) some plants become homes for animals b ) the animals may help the plants by protecting them. (eat the plants and help them reproduce) True or false: Pre-reading F T T T 1.Who is Steve Jones? 2.Is it too late for us to take measures to keep animals and plants from dying out? 3.Can we help Steve keep animals and plants from becoming endangered? First-reading An environmental expert who tries to keep animals and plants from becoming endangered. No. Yes. Main ideas Paragraph 1 Paragraph 2 Paragraph 3 B.Many animals and plants have died out and some others are in danger. C.Why do animals and plants become endangered. A.What can we do to keep animals and plants from being endangered. Answer questions: 1.Do you think we have realized that it is important to take good care of our planet? 2.What must we do if we want to live a better life and have a bright future? but we don’t always do as we say. We must learn to act in ways that do not harm other living t