浙江省高中英语 Unit4 Using language课件 新人教必修2.ppt
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1、Unit 4Using Language2021/8/8 星期日1extinctiondinosaurinspectincidentdust fiercen.灭绝;消亡灭绝;消亡n.恐龙恐龙vt.检查;视察检查;视察n.事件;事变事件;事变n.灰尘;尘土;尘埃灰尘;尘土;尘埃adj.凶猛的;猛烈的凶猛的;猛烈的Words preview2021/8/8 星期日2come into beingaccording to形成;产生形成;产生按照;根据按照;根据所说所说Expressions preview2021/8/8 星期日3Animal extinctionReading2021/8/8 星期
2、日42021/8/8 星期日52021/8/8 星期日6Fast reading1.When did dinosaurs live?2.When did dinosaurs die out?Tens of millions of years ago.About 65 million years ago.2021/8/8 星期日73.According to the UN report,how many animals and plants have disappeared in the last 500 years.8442021/8/8 星期日8Detailed reading:True o
3、r false 1.1.There were many different kinds of dinosaur and all of them have been found in China.2.2.Not long ago,a rare new species of bird-like dinosaur was discovered in Henan Province.a numberLiaoning FF2021/8/8 星期日93.Some scientists are sure dinosaurs died out because the earth got too hot for
4、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.FTthink2021/8/8 星期日10 Discuss the possible reasons for the disappearance of dinosaurs.Think about what is mentioned in the text.1.It came after an unexpe
5、cted incident when a huge rock from space hit the earth and put too much dust into the air.2.The earth got too hot to live on.2021/8/8 星期日11 Discuss the possible reasons for the disappearance of dinosaurs.There may be other reasons for it.2021/8/8 星期日12For reference The sudden mass extinction of the
6、 non-avian dinosaurs,which occurred around 65 million years ago,is one of the most intriguing mysteries in paleontology(古生古生物学物学).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 paleont
7、ologists:Asteroid collision Multiple collisions Environment changes2021/8/8 星期日13dodo渡渡鸟渡渡鸟Listening2021/8/8 星期日14Before listening to the dodos story,try to predict in pairs how it might have become extinct.2021/8/8 星期日15 Listen to the tape and choose the sentence on page 30 which gives the main ide
8、a of the story:This story is about how the dodo became extinct.2021/8/8 星期日16 No 1 is wrong.It is not fair to blame the dodo for his disappearance.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 b
9、ecause the other animals and birds did not do much to save the dodo.They warned him but did not help him.2021/8/8 星期日17Listen to the tape and choose the correct answer to complete each sentence on page 30.Keys:1 C 2 B 3 C2021/8/8 星期日18Listening textThe story of the dodo Once upon a time I lived on t
10、he island of Mauritius.I was called“dodo”.There were many of us and we were 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 went2021/8/8 星期日19 everywhere together and I shared my food with him.Howev
11、er,I began to wonder why several of my dodo friends had disappeared.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 could
12、nt believe it!2021/8/8 星期日20 When I asked Man directly,he seemed surprised.“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.2021/
13、8/8 星期日21 Sure enough Man came along.He ran after the last of my dodo friends and killed 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.2021/8/8 星期日22 1 a ty
14、pe of reptile(爬行动物爬行动物)which stopped existing about 60 000 000 years ago.There were many different types of dinosaur,some of which were extremely large.2 an old-fashioned person or thing that people no longer consider to be useful:This typewriters a bit of a dinosaur,isnt it?1 dinosaur n.CLanguage p
15、oints2021/8/8 星期日232 come into being 形成;产生形成;产生1.A new rule will soon come into being.一个新规则很快就要出台了。一个新规则很快就要出台了。2.A car comes into being through a series of complex operations.汽车经过一连串的复杂作业程序而制汽车经过一连串的复杂作业程序而制成。成。2021/8/8 星期日243 inspectvt.检查;视察检查;视察1.It was strange that nobody inspected my ticket bef
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