题文
阅读理解。 Do you know why different animals or pests have their special colors? Colors in them seem to be
used mainly to protect themselves.
Some birds like eating locusts (蝗虫) , but birds cannot easily catch them. Why? It is because
locusts change their colors together with the change of the colors of' crops. When crops are green,
locusts look green. But as the harvest time comes, locusts change to the same brown color as crops
have. Some other pests with different colors from plants are easily found and eaten by others. So they
have to hide themselves for lives and appear only at night.
If you study the animal life, you'll find the main use of coloring is to protect themselves. Bears, lions
and other animals move quietly through forests. They cannot be easily seen by hunters. This is because
they have the colors much like the trees. They can often hide in the trees and catch some other little
animals.
Have you ever noticed an even stranger act? A kind of' fish in the sea can send out a kind of very
black liquid when it faces danger. While the liquid spreads over, its enemies cannot find it. And it
immediately swims away. So it has lived up to now though it is not strong at all.1. Frorn the passage we learn that locusts _____.A. are small animals
B. are easily found by birds
C. are dangerous to their enemies
D. change their colors to protect themselves2. How can pests with different colors from plants keep out of danger?A. They run away quickly.
B. They have the colors much like their enemies.
C. They hide themselves by day and appear at night.
D. They have to move quietly.3. Why can't the hunters see the bears and lions?A. They have the colors much like the trees.
B. They move quietly.
C. They like brown and gray colors.
D. They live in forests.4. Why can the kind of fish live up to now?A. Because it is very strong.
B. Because the liquid it sends out can help it escape from its enemies.
C. Because the liquid it sends out can kill its enemies.
D. Because it swims faster than any other fish.5. Which is the best title for this passage?A. The Change of Colors for Animals and Pests
B. Colors of Different Animals and Pests
C. The Main Use of Colors for Animals and Pests
D. Some Animals and Pests
题型：未知 难度：其他题型
答案
1-5: DCABC
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解析
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考点
据考高分专家说，试题“阅读理解。Do yo.....”主要考查你对 [科教类阅读 ]考点的理解。
科教类阅读
科普类的阅读：
科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。
如果是介绍社会现象的文章，要掌握所谈现象的内涵。
答题技巧：
1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和
关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。
3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。
