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

Some birds like eating locusts(蝗蟲)But birds cannot easily catch themWhy? It is because locusts change their colors together with the change of the colors of cropsWhen crops are green, locusts look greenBut as the harvest time comes, locusts change to the same brown color as crops haveSome other pests with different colors from plants are easily found and eaten by othersSo 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 protecting themselvesBears, lions and other animals move quietly through forestsThey cannot be seen by huntersThis is because they have the colors much like the tree

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 dangerWhile the liquid spread over,the enemies cannot find itAnd it immediately swims awaySo it has lived up to now though it isn't strong at all

根據(jù)短文內(nèi)容,指出能完成所給句子或回答所提問題的最佳答案。

1From the passage we learn that locusts              

Aare small animals

Bare easily found by birds

Care dangerous to their enemies

Dchange their colors to protect themselves

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

AThey run away quickly

BThey colors much like their enemies

CThey hide themselves in the day and appear at night

DThey have to move quietly

3Bears and lions can keep safe because they             

Ahave the colors much like the trees            Bmove quickly

Clike brown and grey colors                       Dlive in forests

4The kind of fish live up to now because               

Ait is very big and strong

Bthe liquid it sends out help it escape from its enemies

Cthe liquid it sends out can kill its enemies

Dit swims faster than any other fish

5Which is the best title for this passage?

AThe Change of Colors for Animals and Pests

    BColors of Different Animals and Pests

CThe Main Use of Colors for Animals and Pests

DSome Animals and Pests

1、DCABC

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科目:初中英語 來源: 題型:閱讀理解

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

Some birds like eating locusts(蝗蟲).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 protecting themselves.Bears, lions and other animals move quietly through forests.They cannot be seen by hunters.This is because they have the colors much like the tree.

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 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.

根據(jù)短文內(nèi)容,指出能完成所給句子或回答所提問題的最佳答案。

1.From the passage we learn that locusts              

A.a(chǎn)re small animals

B.a(chǎn)re easily found by birds

C.a(chǎn)re dangerous to their enemies

D.change their colors to protect themselves

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

A.They run away quickly.

B.They colors 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 colors much like the trees            B.move quickly

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

4.The kind of fish live up to now because               

A.it is very big and strong

B.the liquid it sends out help it escape from its enemies

C.the liquid it sends out can kill its enemies

D.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

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