最新冀教版八年级英语下册：Lesson17 (2)：Save the Tigers
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冀教版 八年级下册
源自文库
Lesson 17
Watch the video of a public-service advertisement.
Where can you usually see a tiger?
Do you think tigers need our help? Why or why not?
What will be like if we help the tiger?
keep the number of wild animals in balance
Many wild animals are facing the danger of extinction, because the environment that they are living in has changed greatly. (why) For example, with the development of cities, the using of insecticide and serious pollution, their living areas have become narrower and narrower. Many of the wild animals, now are confronted with food crisis. At the same time, man is killing off species just for getting their fur, skin, horns, teeth and meat. In order to protect our resources of ecology, people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore, measures of the following should be taken: pollution standards are made to keep down poisons; killing off certain rare species is prohibited; national parks should be set up as wild life, reserves. (What should we do） Only if we human beings take some drastic measures can wild animals be preserved. (Result)
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
• Read the lesson and match each paragraph with the main idea. (Do Exercise 1)
Language points
Fill in the blanks.
1. _____________ The number of students is about twenty. (……的数量) important to your health. (对 2. It’s ____________ ……是重要的) 3. The river is polluted and ___________ in danger of going dry.(处于……危险中)
4. What is the reason tigers are important to the environment? Because tigers help keep the number of other wild animals in balance. 5. Why do people hunt and kill tigers? They are for money. 6. 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.
Read the text again and discuss the questions.
the number of the tiger Why should we protect the tiger? become volunteers of “Save the tiger”
tiger
What should people do to help the tiger？
the Bengal tiger
the Siberian tiger
the Sumatran tiger
the Malayan tiger
the Indochinese tiger
the South China tiger
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
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.
Read the lesson and answer the 1. How many tigers were there at the questions. beginning of the 20th century? Around 100 000. 2. Where do tigers live? They live in the forests of Asia. 3. What do tigers symbolize? They are symbols of strength and courage.
4. ____ As time went by, she became more and more beautiful. (随着) At the beginning of the party, he gave 5. _________________ me a gift. (在……之初) dropped to below 6. The temperature has __________ zero. (下降到) 7. It is at the bottom of the food _________. chain (食 物链) 8. You know, computers bring troubles _______. as well (也)
源自文库
Lesson 17
Watch the video of a public-service advertisement.
Where can you usually see a tiger?
Do you think tigers need our help? Why or why not?
What will be like if we help the tiger?
keep the number of wild animals in balance
Many wild animals are facing the danger of extinction, because the environment that they are living in has changed greatly. (why) For example, with the development of cities, the using of insecticide and serious pollution, their living areas have become narrower and narrower. Many of the wild animals, now are confronted with food crisis. At the same time, man is killing off species just for getting their fur, skin, horns, teeth and meat. In order to protect our resources of ecology, people should realize that the loss of any species is at least the loss of source of knowledge and a source of natural beauty. There fore, measures of the following should be taken: pollution standards are made to keep down poisons; killing off certain rare species is prohibited; national parks should be set up as wild life, reserves. (What should we do） Only if we human beings take some drastic measures can wild animals be preserved. (Result)
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
• Read the lesson and match each paragraph with the main idea. (Do Exercise 1)
Language points
Fill in the blanks.
1. _____________ The number of students is about twenty. (……的数量) important to your health. (对 2. It’s ____________ ……是重要的) 3. The river is polluted and ___________ in danger of going dry.(处于……危险中)
4. What is the reason tigers are important to the environment? Because tigers help keep the number of other wild animals in balance. 5. Why do people hunt and kill tigers? They are for money. 6. 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.
Read the text again and discuss the questions.
the number of the tiger Why should we protect the tiger? become volunteers of “Save the tiger”
tiger
What should people do to help the tiger？
the Bengal tiger
the Siberian tiger
the Sumatran tiger
the Malayan tiger
the Indochinese tiger
the South China tiger
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
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.
Read the lesson and answer the 1. How many tigers were there at the questions. beginning of the 20th century? Around 100 000. 2. Where do tigers live? They live in the forests of Asia. 3. What do tigers symbolize? They are symbols of strength and courage.
4. ____ As time went by, she became more and more beautiful. (随着) At the beginning of the party, he gave 5. _________________ me a gift. (在……之初) dropped to below 6. The temperature has __________ zero. (下降到) 7. It is at the bottom of the food _________. chain (食 物链) 8. You know, computers bring troubles _______. as well (也)