In the sea there are many islands. In its warm waters there are some little ones. We call them coral(珊瑚) islands.
A coral island is very nice to look at. It looks like a ring of land with trees, grass, and flowers on it. One part of the ring is open to the water. There is a little round lake inside the island.
If you look into this lake, you will see beautiful coral. You may think they are flowers.
If you look at a piece of coral, you will see many little holes in it. In each of these holes a very small sea animal has lived. These sea animals make the coral.
They began to build under the water. Year after year, the coral grew higher and higher. At last it grew out of the water.
Then the sea brought to it small trees and something else. After some years, these things changed into earth. Sometimes the wind brought seeds to this earth. Sometimes birds flew over it and brought seeds to the island. The little seeds grew. In a few years there were plants all over the island. In a few more years there were trees growing there.
So you see, these islands were built little by little. The workers were very small. Don’t they teach us a lesson? Can you think what the lesson is?
【小題1】 In the sea _____.
A．there are no coral islandsB．there are some coral islands
C．the water is always warmD．we can see many flowers and fishes
【小題2】A coral island looks like ______.
A．a(chǎn) round cakeB．trees, grass and flowersC．a(chǎn) ring of landD．a(chǎn) round lake
【小題3】There are ____ in the holes in corals.
A．flowersB．little coralsC．grassD．sea animals
【小題4】How did seeds of trees, grass and flowers come to the coral islands?
A．The wind and birds brought them to the coral islands.
B．Only the wind brought them there.
C．People brought them there.
D．Fishes brought them there.
【小題5】From the story we learn that _____.
A．small workers can’t do big things
B．only big workers can do big things
C．small workers can do big things if they work hard and work a long time
D．a(chǎn)ll small things can do things

【小題1】B
【小題2】C
【小題3】D
【小題4】A
【小題5】C解析:

【小題1】.根據(jù)文章內(nèi)容“In the sea there are many islands. In its warm waters there are some little ones. We call them coral(珊瑚) islands.”可知答案為B
【小題2】根據(jù)文章內(nèi)容“A coral island is very nice to look at. It looks like a ring of land with trees, grass, and flowers on it.”可知答案為C
【小題3】根據(jù)文章內(nèi)容“In each of these holes a very small sea animal has lived. These sea animals make the coral.“可知答案為D
【小題4】根據(jù)文章內(nèi)容“Sometimes the wind brought seeds to this earth.”可知答案為A
【小題5】根據(jù)文章內(nèi)容可知答案為C
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1.What is called “echo”?

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B．Very loud voices that are made by man.

C．Very loud voices that are made by animals.

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A．shout in a small room

B．shout in a large house full of things

C．shout in narrow valleys(山谷)

D．shout in the open air

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a. We hear the reflected sound

b. The sound returns to us

c. The sound hits the walls

d. We make a sound

A．c, b, a, d          B．c, a, b, d           C．d, c, b, a           D．d, b, c, a

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A．reflected sound is useful only to blind people

B．people haven’t made use of reflected sound yet

C．bats use reflected sound to fly and get food

D．whales don’t use reflected sound as they live in the sea

5.If you haven’t got a megaphone, ____ will help you to make your voice travel farther.

A．a(chǎn) long piece of wood                     B．a(chǎn) roll of cardboard

C．a(chǎn) thin thread                           D．a(chǎn) long piece of silk

 

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

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C．They hide themselves by day and appear at night.

D．They have to move quietly.

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B．they move quietly

C．they like brown and gray colors

D．they live in forests

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A．Because it is very and 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?

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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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