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¡¾ÌâÄ¿¡¿ The polar bear (±±¼«ÐÜ), in fact, does not have white fur. Usually after a meal, polar bears have a short sleep. A polar bear can have 2 to 3 babies at a time. They live with their mothers until they are about two and a half years old.

However, polar bears will die out (Ãð¾ø) soon because of people. There are only 20,000 to 25, 000 polar bears in the world. They are trying hard to survive today. The number of polar bears is becoming smaller and smaller because of the loss of sea ice (º£±ùµÄÏûÈÚ).And polar bears mostly live on the sea ice, not on the land ice. Global warming makes the sea ice less and less.

Don¡¯t you want to save polar bears? Don¡¯t you want to make the world a better place for all living things? Do not just sit there and wait. Let¡¯ s start doing something to protect the environment! Take the bus more often from now on, turn off the light when you don t need it, and try to make less rubbish... Every small thing can be great! Join me and save the polar bears, and, of course, the tigers, the giant pandas and all other animals that are in danger.

¡¾1¡¿The underlined word ¡°they¡± in Paragraph 1 refers to (Ö¸µÄÊÇ)________.

A. father polar bearsB. mother polar bearsC. baby polar bearsD. strong polar bears

¡¾2¡¿What does the underlined word ¡°survive¡± in Paragraph 2 mean in Chinese?

A. ½ø»¯B. Éú´æC. ¼ûʳD. Ôö¼¡

¡¾3¡¿According to the passage, the sea ice becomes less and less because of ________.

A. global warmingB. hot weatherC. killingD. travelling

¡¾4¡¿What is the main idea of this passage?

A. To show the number of polar bears is getting smaller and smaller.

B. To tell people polar bears will soon have nowhere to live.

C. To let people know why polar bears are in danger.

D. To ask people to protect animals.

¡¾5¡¿Where might this passage come from?

A. From a book about animals.B. From a book about plants.

C. From a report on protecting rivers.D. From a report on cleaning the sea.

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