Question

完形填空

阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案。

Do you know why different animals or pests(害虫) have their special colors? Colors in them seem to be mainly used to ___1___ themselves.

Some birds like eating locusts(蝗虫), but birds cannot ___2___catch them. Why? It is because locusts change their__3___ with the change of the colors of crops. When crops are green, locusts look ___4___. But as the harvest time comes, locusts change into the same brown color __5___ crops have. Some other pests whose colors are ___6__ plants are easily found and eaten by ___7___. So they have to hide themselves for lives and appear only __8____.

If you ___9___ animals’ life, you’ll find the main use of colors is to protect __10___. Bears, lions and other animals ___11___ quietly through forests. They cannot be easily seen by hunters ___12___ their colors are much like the trees.

Colors are useful not only on the land, but also in the __13___. A kind of fish can __14____ a kind of black liquid(液体) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is ___15____ they can live safely though they are not strong at all. So colors are really useful to animals.

1.                A．show          B．protect         C．kill  D．interest

2.                A．easily          B．freely          C．safely    D．differently

3.                A．sizes           B．smells          C．colors    D．shapes

4.                A．yellow         B．red            C．black D．green

5.                A．so             B．as             C．like  D．with

6.                A．different from   B．same as         C．similar to  D．opposite with

7.                A．other          B．others          C．the others D．another

8.                A．in the morning   B．at noon         C．at night   D．in the daytime

9.                A．study          B．write           C．draw D．work

10.               A．them          B．themselves      C．it D．itself

11.               A．run            B．fight           C．move D．eat

12.               A．because        B．so             C．and  D．although

13.               A．forests         B．desert         C．sea   D．mountains

14.               A．keep out       B．come out       C．look out   D．give out

15.               A．why           B．when          C．how  D．where

Answer

1.B

2.A

3.C

4.D

5.B

6.A

7.B

8.C

9.A

10.B

11.C

12.A

13.C

14.D

15.A

【解析】

试题分析：这篇文章讲述了不同的动物和害虫都会有着和环境相似的颜色，这些颜色主要是用来保护它们自己不受到伤害。

1.A. show展示   B. protect 保护  C. kill杀害   D. interest兴趣 根据句意：它们的颜色主要是用来自我保护。

2.A. easily 容易地   B. freely自由地   C. safely安全地  D. differently不同地 根据句意：一些鸟喜欢吃蝗虫，但是它们不能轻松的捉到蝗虫。故选A

3.A. sizes尺寸   B. smells 气味    C. colors 颜色   D. shapes形状  根据句意：因为蝗虫会随着农作物颜色的变化而改变自己的颜色。故选C

4.A. yellow黄色   B. red红色  C. black黑色  D. green绿色  根据句意：当农作物是绿色时，蝗虫看起来就是绿色的。故选D

5. 根据句意：当成熟季节来临的时候，蝗虫就会变成和农作物同样的深棕色的颜色。the  same as与…一样 故选B

6.A. different from不同于   B. same as与…一致      C. similar to 与相似   D. opposite with与…对立 根据句意：一些害怕的颜色与植物的颜色完全不同，很容易被发现。故选A

7.根据句意：一些害怕的颜色与植物的颜色不同，很容易被发现，被其他鸟类吃了。故选B

8.A. in the morning在早上   B. at noon 在中午  C. at night 在晚上  D. in the daytime在白天 根据句意：所以它们为了生存下来，只在晚上出来。故选C

9.A. study研究   B. write写作   C. draw 画画   D. work工作 根据句意：如果你研究动物的生活 故选A

10.根据句意：你就会发现他们身体的颜色主要的用途就是保证它们自己。故选B

11.A. run奔跑   B. fight 斗争  C. move 移动  D. eat吃  根据句意：熊，狮子还有其他动物通过森林的时候，能够很安静的走动。故选C

12.A. because因为  B. so因此    C. and 和   D. although虽然  根据句意：它们不会轻易的被猎人发现，是因为它们的颜色和树木的颜色很像。故选A    

13.A. forests森林   B. desert 沙漠  C. sea 大海   D. mountains山脉 联系后文可知：颜色不仅仅在陆地上有用，在海洋里也有用处。故选C

14.A. keep out 阻止进入        B. come out出现     C. look out注意    D. give out发出 根据句意：一种鱼在它遇到危险的时候，就会发出一种黑色的液体。故选D

15.A. why 为什么  B. when 何时  C. how 怎样  D. where哪里  根据句意：那就是它们为什么能够平安的生活，虽然它们不够强大。故选A

考点：科普类说明文