冀教版初中英语八年级下册Unit3 Animals Are Our Friends L17PPT课件

10. Aside from their being hunted and killed, what is another reason tigers are disappearing?
People have cut down a lot of trees as well. As forests disappear, tigers lose their homes.
Words and Expressions
balance reason disappear
kill 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
Lead-in
Let’s enjoy a video.
Save the Tigers
drop to, food chain, in balance,
in danger, cut down, as well
1. Where can you usually see a
tiger? in a cage?
2. Do you think tigers need our
help? Why or why not?
environment? 9. Why do people hunt and kill tigers?
10. Aside from their being hunted and killed, what is another reason tigers are disappearing?
Reference answer.
3. What can we do to protect wild
animals?
or in the wild?
Let’s see the video of a report.
There are currently six types of tigers: the Bengal tiger, the Siberian tiger, the Sumatran tiger, the Malayan tiger, the Indochinese tiger and the South China tiger.
7. What does “at the top of the food chain” mean? Tigers are the king of all the wild animals. 8. What is the reason tigers are important to the environment? Because tigers help keep the number of other wild animals in balance. 9. Why do people hunt and kill tigers? They are for money.
Unit 3 Animals Are Our Friends
Lesson 17
Save the Tigers
Words and Expressions
century fur
symbol courage
brave chain
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
3. Where do tigers live? They live in the forests of Asia.
4. What do tigers look like? They usually have orange fur and dark stripes. 5. What do tigers symbolize? They are symbols of strength and courage. 6. How are tigers described in many stories? They are brave.
the Bengal tiger(孟加拉虎)
the Siberian tiger （东北虎）
the Sumatran tiger （苏门答腊虎）
the Malayan tiger （ 马来亚虎）
the Indochinese tiger （印度支那虎）
the South China tiger（ 华南虎）
Read the lesson andTaasnksw1er the questions.
1. How many tigers were there at the beginning of the 20th century?
2. How many tigers are there in the wild today? 3. Where do tigers live? 4. What do tigers look like? 5. What do tigers symbolize? 6. How are tigers described in many stories? 7. What does “at the top of the food chain” mean? 8. What is the reason tigers are important to the
ØTo know the urgency of protecting tigeg words and
expressions correctly:
century, courage, brave, reason, kill, cut, at the beginning of…,
1. How many tigers were there at the beginning of the 20th century? Around 100 000.
2. How many tigers are there in the wild today? The number has dropped to a few thousand.