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Do you know why different animals or insects have their special colors? Colors are used mainly to protect themselves.
Why can’t some birds easily catch locusts（蝗虫）? 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 autumn comes, locusts change to the same brown color as crops have. Some other insects with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives in the day 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 can’t be easily seen by hunters. This is because they have the colors much like the trees.
Have you ever noticed an even more strange thing? A kind of fish in the sea can send out black liquid when it faces danger. While the liquid spreads over, its enemies can’t find it. And it quickly swims away. So it has lived up to now though it is not strong at all.
【小题1】 From the article we learn that locusts 　　　　　　　　　.

A．are dangerous to their enemies	B．are easily found by birds
C．change their colors to protect themselves	D．are small animals

【小题2】How can insects with different colors from plants keep out of danger?

A．They have to move quietly.

B．They hide themselves in the day and appear at night.

C．They have the colors much like their enemies.

D．They run away quickly.

【小题3】 Bears and lions can keep safe because 　　　　　　　　　.

A．they live in forests	B．they like brown and grey colors
C．they move quietly	D．they have the colors similar to the trees

【小题4】What does the word “liquid” mean in the last paragraph?

A．气体

B．固体

C．液体

D．水蒸气

【小题5】 Which is the best title for this passage?

A．The Main Use of Colors for Animals and Insects

B．Colors of Different Animals and Insects

C．The Change of Colors for Animals and Insects

D．The Change of Different Animals and Plants

完形填空（15分）

阅读下面短文, 掌握其大意，然后从各题所给的A、B、C、D四个选项中，选出最佳选项。

I stood in the doorway, watching my elder brother carefully putting clothes into his bag. I coughed uneasily. Finally 　　36　　 that I was there, Rocky turned towards me with a sad smile.

“I’m 　　37　　 tomorrow,” he said.

“I know.” My __38____ was almost a whisper. I was 　　39　　 at myself for being so weak, but I wasn’t about to cry.

“My 　　40　　 is early, so there is still 　　41　　 time to come to the airport,” he said. Seeing the 　　42　　 look on my face, he quickly added, “I promise I won’t leave without saying goodbye.”

I tried to say 　　43　　 , but didn’t. It’s always 　　44　　 to keep quiet if you’re about to cry. “You promised you wouldn’t cry,” he said to me, thinking that I was close to 　　45　　.

I remember the day he taught me how to ride a bike. 　　46　　 I thought he was always right behind me, holding the seat to keep me from 　　47　　. I was happy with this, but he knew he couldn’t hold me up all my life. He told me that one day he would have to let go.

His coughing stopped my thinking. What was left to say? How could I say 　　48　　 to the person who taught me everything?

The next morning I 　　49　　 , looked at my alarm clock, and realized he had left　50　 ago. We never even said goodbye.

Goodbye, Rocky! Although he may have been many miles away, I knew he heard me, even if it was only an answer in his heart.

1.A. forgetting         B. realizing            C. watching         D. learning

2.A. arriving　         B. living　         C. coming　         D. leaving

3. A. voice             B. sound　          C. noise                D. word

4.A. glad　             B. moved　          C. angry　          D. pleased

5. A. ship　                B. flight　         C. train　              D. bus

6.A. enough　           B. little　         C. no　             D. busy

7. A. surprised　           B. excited　            C. sad              D. happy

8. A. anything　            B. everything　     C. something　      D. nothing

9.A. stranger　         B. better　         C. worse　          D. easier

10.A. tears             B. smiles　         C. words　          D. sadness

11. A. At last　            B. Since　          C. At first　           D. So far

12. A. riding　         B. running          C. walking          D. falling

13.A. goodbye　         B. hello　          C. yes              D. sorry

14. A. gave up　            B. stood up         C. looked up　      D. woke up

15.A. minutes　         B. hours　          C. days　           D. weeks

 

 

Do you know why different animals or insects have their special colors? Colors are used mainly to protect themselves.

Why can’t some birds easily catch locusts（蝗虫）? 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 autumn comes, locusts change to the same brown color as crops have. Some other insects with different colors from plants are easily found and eaten by others. So they have to hide themselves for lives in the day 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 can’t be easily seen by hunters. This is because they have the colors much like the trees.

Have you ever noticed an even more strange thing? A kind of fish in the sea can send out black liquid when it faces danger. While the liquid spreads over, its enemies can’t find it. And it quickly swims away. So it has lived up to now though it is not strong at all.

1. From the article we learn that locusts 　　　　　　　　　.

A. are dangerous to their enemies           B. are easily found by birds

C. change their colors to protect themselves   D. are small animals

2.How can insects with different colors from plants keep out of danger?

A. They have to move quietly.

B. They hide themselves in the day and appear at night.

C. They have the colors much like their enemies.

D. They run away quickly.

3. Bears and lions can keep safe because 　　　　　　　　　.

A. they live in forests                  B. they like brown and grey colors

C. they move quietly　                   D. they have the colors similar to the trees

4.What does the word “liquid” mean in the last paragraph?

A. 气体          B. 固体　       C. 液体　       D. 水蒸气

5. Which is the best title for this passage?

A. The Main Use of Colors for Animals and Insects

B. Colors of Different Animals and Insects

C. The Change of Colors for Animals and Insects

D. The Change of Different Animals and Plants