Question

Do you think of white when someone talks about a polar (北极)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 20,000 to 25,000 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 (居住于) 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 find a new world. 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...

1. According to the passage, which of these answers does NOT make sea ice less?

A. Global warming. B. Pollution.

C. Hunting. D. Travelling.

2. What does the word "ordinary" mean in Chinese?

A. 勤劳的 B. 聪慧的 C. 普通的 D. 坚强的

3.What is the main idea of this passage?

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

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

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

D. To talk about polar bears and suggest that people protect animals.

4. 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.

Answer 1

1.D

2.C

3.D

4.A

【解析】

试题分析：这篇文章主要讲述了当某人谈到的北极熊你会想到白色吗？事实上，北极熊没有白色的毛皮。它只是似乎是白色。北极熊有很好的嗅觉。这可以帮助它们找到食物。作者主要是呼吁人们要拯救这些动物。

1.细节理解题。问题：根据短文，以下哪些答案不会使海冰的减少?分析原文：This is happening because of global warming (全球气候变暖), pollution, hunting and so on. 这种情况的发生是由于全球气候变暖，污染，狩猎等。结合选项，故选D。

2.细节理解题。结合原文：Ordinary people will wait, but great people will find a new world。句意：普通人会等，但是伟大的人会发现一个新世界。伟大的人与普通人进行对比，因此本单词意为普通的，故选C。

3.细节理解题。细节理解题。问题：短文的中心思想是什么？通读全文发现只有第四选项符合题意，谈论北极熊和建议人们保护动物。故选D

4.细节理解题。这篇短文可能来自哪里？分析选项：A. A magazine about animals. 一本关于动物的杂志。B. A book about greetings.一本关于问候的书。C. A poster about working plans.关于计划工作的海报。 D. An instruction book. 一本说明书。因此只有关于动物的杂志符合题意。故选A。

考点：科普教育类阅读。