《2025年通城学典课时作业本八年级英语上册译林版宿迁专版》

五、阅读理解。〔人与自然——动物保护〕
Do you think of white when someone talks about a polar bear? In fact, the polar bear does not have white fur. It just appears to be white. Polar bears have a very good sense of smell. It helps them to find food. During summer, polar bears sleep longer, because they are able to find their food more easily at night. Usually, after a meal, polar bears have a short sleep. A polar bear can have 2～3 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 soon because of people. There are only 22,000 to 31,000 polar bears in the world. The ones that are left are trying to survive today. The number of polar bears is becoming smaller and smaller because of the loss of sea ice—polar bears mostly inhabit(居住在) the sea ice, not the land ice. This is happening because of global warming(全球气候变暖), pollution, hunting and so on.
Ordinary people don't care, but great people have the power and want to save tigers, fight for giant pandas and save polar bears. Ordinary people will wait, but great people will do a lot. For me, I will not wait. I will take the bus more often from now on. Join me and save the polar bears, and, of course, the tigers, the giant pandas and...
( D ) 1. According to the passage, which of these answers does not make sea ice less?
A. Global warming. B. Pollution. C. Hunting. D. Travelling.
( B ) 2. What can we learn from the passage?
A. Polar bears' fur is white.
B. Perhaps the writer will drive his car less.
C. It's harder for polar bears to find food at night in summer.
D. Polar bears left have a good, happy life.
( A ) 3. Where can this passage come from?
A. A magazine about animals. B. A book about greetings.
C. A poster about working plans. D. An instruction book.

答案： 1. D
2. B
3. A