《Save the Tigers》Animals Are Our Friends PPT免费课件
第一部分内容：Learning Targets
1. To use the following words and expressions correctly: century, courage, brave, reason, kill, cut, at the beginning of, drop to, food chain, in balance, in danger, cut down, as well.
2. To know the urgency of protecting tigers.
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Save the TigersPPT，第二部分内容：Words and expressions
century n. 世纪
fur n. （兽类的）毛
symbol n. 标志；象征
courage n. 勇气；胆量
brave adj. 勇敢的；无畏的
chain n. 链子；链条
balance n. 平衡；平稳
reason n. 原因；动机；理由
disappear v. 消失；失踪
kill v. 杀死
cut v. 砍；切；剪；割
decrease v. 使……变小；减少
Now we are in the 21st century.
我们现在处于21世纪。
The puppies haven't got much fur yet.
这些小狗还没长出多少毛。
The dove is the symbol of peace.
鸽子是和平的象征。
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Save the TigersPPT，第三部分内容：Lead in
Let’s learn about tigers .
There are six types of tigers currently .
The Malayan tiger(马来亚虎)
The Indochinese tiger (印支虎)
The South China tiger(华南虎)
The Sumatran tiger(苏门答腊虎)
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Save the TigersPPT，第四部分内容：Let’s Do It!
1.Read the lesson and match each paragraph with its main idea.
A.Tigers are in danger of going extinct.
B.“Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing.
C. Tigers are important to the environment.
2. Read the lesson again and find some sentences to support the main idea of each paragraph.
3. Work in groups and discuss some ways we can protect animals. Write down your ideas.
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Save the TigersPPT，第五部分内容：Language points
1. At the beginning of the 20th century, the number of
tigers in the wild was around 100 000.
a number of…意思是“一些，若干”（= some），后接可数名词复数或代词，谓语动词用复数形式。还可以加入形容词表示数量大或小等（例如：a large/small number of…许多/少数……）。
例：There are a large number of monkeys in the zoo .
动物园里有很多猴子。
the number of…意思是“……的数字/数目”，介词of同其后名词构成介词短语，修饰the number.当它作主语时，谓语动词用单数 。例：
The number of students is about twenty.
学生的数目大约二十。 Many people took part in 10,000-metre race, but only a number of them kept on running to the end .
很多人参加了1万米赛跑，但是他们中只有一些人跑到了最后。
2. But today that number has dropped to a few thousand.
a few thousand表示“几千”。当hundred, thousand前面是基数词one, two, three…a few, many时，其后不加s。当hundred和thousand后面加s时，需要跟of修饰可数名词复数。例：
There are three thousand students in our school.
我们学校有三千名学生。
Thousands of students are on the square.
成千上万的学生在广场上。
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Save the TigersPPT，第六部分内容：Exercises
根据提示完成句子
1. _____________ students is about twenty. (……的数量)
2. It’s ____________ your health. (对……是重要的)
3. The river is polluted and ___________ going dry.(处于……危险中)
4. ____ time went by, she became more and more beautiful. (随着)
5. _________________ the party, he gave me a gift. (在……之初)
6. The temperature has __________ below zero. (下降到)
7. It is at the bottom of the _________. (食物链)
8. You know, computers bring troubles _______. (也)
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Save the TigersPPT，第七部分内容：Summary
1. We should learn to protect the animals;
2. We learnt some useful words and expressions :century, courage, brave, reason, kill, cut, at the beginning of…, drop to, food chain...
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Save the TigersPPT，第八部分内容：Homework
Create a poster about ways we can protect animals.
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