unit 4 reading 2 Animal extinction

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名称 unit 4 reading 2 Animal extinction
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资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2008-01-09 21:33:00

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课件26张PPT。Wildlife
Animal extinction
New words:disappear
secure
rare
inspect
come into being
according toLet's leave our children a living planet ! WWF should not only protect r_______ species of animals, but also common animals. aredisappear
secure
come into being
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according toAll the trees d___________ because of extensive deforestation(过度砍伐).isappeareddisappear
secure
come into being
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according toIt will be more s________ to wear a helmet(头盔) while driving.ecuredisappear
secure
come into being
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according toA______________ the news, the injured wild panda has recovered after operation. ccording todisappear
secure
come into being
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according toThe book explains how life c____________ on the earth.ame into beingdisappear
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according toThey are i________ the bones of dinosaurs.nspectingdisappear
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according toeggsTry to find out the main idea of each paragraph.Para 1:Para 2:Para 3:A brief introduction of __________and the _________made by scientists.The ________for their dying out.Other wildlife has_________.dinosaursreasonsdied outdiscovery1. What happened during the long history of the earth?Many animals have disappeared during the long history of the earth.2. When did dinosaurs live on the earth? Dinosaurs lived on the earth tens of millions of years ago, long before humans came into being.Para 1:Dinosaurs lived on the earth tens of millions of years ago, long before humans came into being.long before:早在…之前很久(long long ago)before long:不久以后(soon after)E.g.--- Mauritius is a beautiful island,
I have been there____________.
--- That’s great! We’ll have a
trip there___________.long beforebefore long3. What did scientists discover?Dinosaurs have disappeared from the earth forever. Why should we learn so much about them?To learn the reasons for their dying out, we can stop it from happening again to other animals.
……Para 2:Para 2:1. What might be the reasons for their dying out?Some think a large rock hit the earth , and others think the earth got too hot to live on.有人认为我太懒了, 其他人认为我太胖了以至于走不动.Some think I am too lazy, and others think I am too fat to walk.Para 3:1. According to the UN report, what can we know?We know that some 844 animals and plants have disappeared in the last 500 years.Read the story of dinosaurs! Long ______humans came into______, we, dinosaurs had a large family. And most of us _____to live in China. But we _________ during the long history of the earth.
When scientists ________the bones of a _____species of us, they learned that we could _______run like others ________climb trees.
However, scientists are still not sure about the reasons of our dying out. Some think a huge rock hit the earth and made too much_____. Others think the earth got too _____ for us to live on.
Maybe that’s why we died out, so did our friends---dodo.
beforebeinguseddisappearedinspectedrarenot onlybut alsodusthotDear friends, this is my story:dodo毛里求斯(Mauritius)的国鸟—已经灭绝的渡渡鸟
  
介绍:在过去的500年里,很多动物都灭绝了,渡渡鸟就是其中最著名的一种。在15世纪以前,它们都生活在毛里求斯岛上。
现状:渡渡鸟已经在地球上消失了。
原因:1. 体积太庞大以至于不会飞也跑不快。
2. 不仅动物相互残杀,人们也猎杀渡渡鸟.
3. 1681年,渡渡鸟灭绝。
…… 1. Many animals have disappeared …2. In the last … years, …3. Some think …, others think … 4. not only … but also …Useful sentences:5. too … to…Useful phrases:1. die out2. disappear from3. come into being…4. long before5. used to do Many animals have disappeared in the last 500 years. The most famous of them are dodos. They used to live on the Island of Mauritius before 15th century. While now they have disappeared from the earth.
Dodos died out in 1681. Some think that’s because they are too big to fly as well as run fast. Others think that not only animals killed each other, but also people began to hunt them.
Nowadays, many other kinds of animals are in danger. Animal extinction --- dodoWhat shall we do to protect wild animals?Firstly, …
Secondly, …
Thirdly, …
……
At last, …HomeworkWrite down your opinion of protecting animals.
Thank you!