百度试题 结果1 题目 (C)1. What colour is a polar bear's hair? A. It is white. B. It is black. C. It has no colour 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
百度试题 结果1 题目阅读短文,根据短文内容,选择正确的答案。( A)1. What colour is a polar bear's hais 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Here is an easy to grasp guide to the science behind one of nature's greatest light shows, written by a geologist and experienced aurora guide.
Is the polar bear white?Look at a polar bear. What colour is it? It looks white. But the answer is not quite right.Polar bears live in the Arctic. It is very cold there. Polar bears are bright white. This helps them live. The bears can hide in the snow. If they are brown, the...