1. Using language
Animal Extinction

3. According to a UN report, some 844 animals and plants have disappeared in the last 500 years.

4. What animals have disappeared in the long history of the earth?
Animal extinction

5. reading 1. When did the dinosaurs live?
2. What has been found or discovered about the dinosaurs?
3. What might be the reasons for their dying out?

6. 1.When did the dinosaurs live?
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)
E.g.--- Mauritius is a beautiful island,
I have been there____________.
--- That’s great! We’ll have a
trip there___________.
long before
before long

7. ? 2. What has been found or discovered about the dinosaurs?
the eggs of twenty-five species
a rare new species of bird-like dinosaur
the rare species of dinosaurs could not only run like the others but also climb trees. ?
How did scientists find it?

8. 3. 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.

9. Dear friends, this is my story:
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 rare 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. _________a huge rock hit the earth and made too much dust. _______ the earth got too _____ for us to live on.
Maybe that’s why we died out.
before
being
used
disappeared
inspected
not only
but also
Some think
Others think
hot

10. It used to live on the Island of Mauritius.
It died out in 1681.
dodo

11. Listen and choose The dodo is ____________.
A. fierce B. unkind C. friendly D. foolish
He wants to believe that Man is telling the truth because ____.
A. Man is friendly B. he thinks Man is friendly
C. he thinks the bears and monkey lie
D. Man is his best friend
He didn’t realize who had killed many of his friends until _____.
A. Man told him the truth B. the other birds told him
C. he saw how his friend was being killed by man
D. the monkeys told him

12. Listen for the main idea.
Why did the dodo disappear from the earth?
The dodo was killed and eaten by Man.

13. Why are the animals in danger of dying out?

14. The endangered animal---the polar bear
The polar bear正处于灭绝的危险中. There are some reasons. 一些人认为 the polar bears 仍然正在被过度捕杀 not only for fur but also for circuses(马戏团) and zoos by hunters now. Some think the ice at the North Pole is getting warmer, therefore,
北极熊的栖息地受到威胁 There will be nowhere for the polar bear to live. 另外一些人认为the seas are polluted seriously, which leads to l____ of the food for the polar bears. As a result, the number of the polar bears d________.
is danger of dying out.
Some think
are still being over hunted
the habitat
of polar bears is threatened
Others think
oss
ecreases
SOS

15. What can we do to protect the polar bear from dying out ?
appreciate, pay attention to, affect, not only…but also…, protect…from… habitat, threaten, die out, hunt, loss,
be left in peace, importance, affect, decrease…
be being done

16. Use the words and expressions we have learned to write a proposal for polar bears.
appreciate, pay attention to, affect, not only…but also…, protect…from… habitat, threaten, die out, hunt, loss,
be left in peace, importance, affect, decrease..
be being done
A proposal (倡议书)
Everyone:
  I am ________ from Class Six, Grade One. The polar bear is our friend. In order to protect the polar bear from dying out, I hope everyone should do something. I have some ideas:      First, __________________________________________.
Second, __________________________________________.
Third,_____________________________________________
Last but not the least, ________________________________.
We just have one earth and protect wildlife is everybody’s responsibility. Wildlife affects everybody .We need to be interested in wildlife problems and the ways to deal with.
  _______   

17. Homework Polish your essay .
Finish the exercises in “English Weekly” .