内容正文:
Unit3
Lesson 16: Save the Tigers
New Words
n. 世纪
n. (兽类的)毛
n. 标志;象征
n. 勇气;胆量
adj. 勇敢的;无畏的
n. 链子;链条
century
fur
symbol
courage
brave
chain
2
New Words
balance
reason
disappear
kill
cut (cut/cut)
decrease
n. 平衡;平稳
n. 原因;动机;理由
v. 消失;失踪
v. 杀死
v. 砍;切;剪;割
v. 使......变小;减少
3
New Phrases
at the beginning of
drop to
food chain
in balance
cut down
as well
在……之初
下降到;跌至
食物链
保持平衡
把……砍倒;减少
还;也
4
Let's watch a video !
Warming-up
* Where can you usually see a tiger?
* Do you think tigers need our help?
* Why or why not?
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标题内容
“Save the tigers ” is a group of volunteers. These volunteers hope to save the tigers of the world . At the beginning of the 20th century,the number of tigers in the wild was around 100 000. But today that number has dropped to a few thousand .
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Administrator (A) -
around100 000
0
Today
Time
at the beginning of the 20th century
a few thousand
Read Para 1
The number of tigers
Why do they hope to save the tigers?
8
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标题内容
Tigers live in the forests of Asia . They usually have orange fur and dark stripes . Tigers are symbols of strength and courage.
In many stories,they are brave .
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Administrator (A) -
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标题内容
The tiger is at the top of the food chain. It helps keep the number of other wild animals in balance. For this reason,tigers are important to the environment.
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Administrator (A) -
Why are tigers important?
Because tigers are______________________
It helps the number of other wild animals .
at the top of the food chain
keep
in balance
Read Para 2
brave
the symbol of strength and courage
Tigers are important to the environment.
11
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标题内容
In recent years,tigers have been in danger of disappearing . Some people hunt and kill tigers for money . People have cut down a lot of trees as well. As forests disappear,tigers lose their homes . The number of tigers in the wild is quickly decreasi