问题补充：
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 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 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 waiting. 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...
【小题1】According to the passage, which of these answers does NOT make sea ice less?A．Global warming.B．Pollution.C．Hunting.D．Travelling.【小题2】What can we learn from the passage?A．Polar bear fur is white.B．Perhaps the writer will drive his car less.C．Its harder for polar bears to find food in summer.D．Polar bears left have a good, happy life.【小题3】What does the word ordinary mean in Chinese? A．勤劳的B．聪慧的C．普通的D．坚强的【小题4】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.【小题5】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.D
答案：
(答案→)D
解析：当某人谈到的北极熊你会想到白吗？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。这可以帮助他们找到食物。在夏季，北极熊睡更长的时间，因为他们可以在晚上更容易找到他们的食物。通常，一顿餐后，北极熊有一个短暂的睡眠。北极熊可以同时有2-3个婴儿。他们和父母生活在一起直到他们2岁半。然而，北极熊将很快灭绝。世界上只有20000到25000的北极熊。北极熊的数量越来越小，因为北极熊主要居住于海冰，不是土地的冰。这种情况的发生是由于全球气候变暖，污染，狩猎等。普通人不在乎，但是伟大的人民有权力和想拯救老虎，熊猫战斗并拯救北极熊。普通人会等，但是伟大人们会发现一个新世界。对我来说，我不会等待。从现在开始我将乘公共汽车。和我一起拯救北极熊，和，当然，老虎，熊猫…
【小题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。
【小题2】细节理解题。问题：我们从这篇短文了解到什么？全文总体在讲保护环境，作者讲从自身做起，故选B。
【小题3】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，但是伟大人们会发现一个新世界。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。
【小题4】细节理解题。问题：短文的主要中心思想是什么？在通读全文中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。
【小题5】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。
