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Do you know why different animals or pes...

Do you know why different animals or pests have their special colours? Colours in them seem to be used mainly to protect themselves.

Some birds like eating locusts. but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours 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 colouring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree.

Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger. While the liquid spread over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn't strong at all.

1. From 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 colours to protect themselves

2 How can pests with different colours from plants keep out of danger?

A. They run away quickly.

B. They colours much like their enemies.

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

D. They have to move quietly.

3. Bears and lions can keep safe because they ___ .

A. have the colours much like the trees   B. move quickly

C. like brown and grey colours         D. live in forests

4. Which is the best title for this passage?

A. The Change of Colours for Animals and Pests

B. Colours of Different Animals and Pests

C. The Main Use of Colours for Animals and Pests

D. Some Animals and Pests

 

 D  C  A  C 【解析】略
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San Francisco, like London, has many parks. Every day my sisters and I were taken to play in the parks as children. I didn't go to school. I only had three hours of formal education when I was five. I was sent to school in the morning but came home at noon on the first day. I said I didn't enjoy it and hadn't learned anything. My parents thought that school was unsuitable for me. They agreed with me, so I never went back to school.

Then my mother taught me and my two sisters at home, in the way of an English lady who had good education. We learned languages and reading more than sciences and maths. Sometimes she taught us herself, but we also had other teachers. They asked us to take lessons every day. About once a week we walked to Golden Gate Park. While we were walking, my mother taught me to read music. One day I noticed a little toy train in the window of a shop and I remember now how I'd like to have it. I couldn't say "r" when I was small. My mother said if I could say an "r" well, I would have the toy train. I practiced and practiced. Then one morning I woke everybody up with my "r"s. I got the toy train. I usually get the things I want in life — but I work hard for them.

1 The writer ___ .

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2. The writer didn't go to school in America because ___ .

A. his mother wanted him to go to school in English

B. his parents didn't think formal education was right for him

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B. The writer had no education at all.

C. The writer didn't have lessons every day.

D. The writer walked to the park to learn languages once a week.

4. The writer got the little toy train at last because ___ .

A. his mother gave him the money

B. he tried his best to read music

C. he wanted it very much

D. his mother was pleased with his progress

 

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