题目列表(包括答案和解析)
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Do you know why different animals or pests (昆虫) have their special colors? Colors in them seem to be used mainly to protect themselves.
Some birds like eating locusts (蝗虫), but birds cannot easily catch them. Why? It is because locusts change their colors together with the change of the colors of crops(庄稼). 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 to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters (猎人). This is because they have the colors much like the trees.
Have you ever noticed an even stranger act? A kind of fish in the sea can send out a kind of very black liquid (液体)when it faces danger. While the liquid spreads over (散开), its enemies (敌人)cannot find it. And it immediately swims away. So it has lived up to now though it is not 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 colors to protect themselves |
2.How can pests with different colors from plants keep out of danger?
A.They run away quickly. |
B.They have the colors much like their enemies. |
C.They hide themselves by day and appear at night. |
D.They have to move quietly. |
3.Bears and lions can keep safe because _________.
A.they have the colors much like the trees |
B.they move quietly |
C.they like brown and gray colors |
D.they live in forests |
4.Why can the kind of fish live up to now?
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?
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 |
Basketball is still a young game. It's over a hundred years old. In the winter of 1891, a certain college was having some trouble with its boy students. The weather was bad and the students had to stay indoors. As they couldn't play outdoors, they were unhappy, and some even got into fights from time to time.
Some of the teachers, at the college asked Dr. Naismith to invent a game so that the students might have something to play with. It was not easy to invent such a game because it had to be played indoors , and the court (球场) was not very large.
Dr. Naismith thought for a few days and invented a kind of ball game. It was a fast, wonderful game with much moving and passing of the ball. It was played between two teams. To make a score , the ball had to be thrown into the basket ten feet(英尺) above the floor on the wall . At each end of the court there was such a basket. At first, Dr. Naismith wanted to throw the ball into a box. As he could not find boxes of the right size, he had to use fruit baskets instead. That is how the game got its name.
【小题1】How long is it since basketball was invented?
A.1000 years | B.More than 100 years |
C.1100 years | D.Less than 100 years |
A.they had much homework to do |
B.they often got into fights |
C.they couldn't play outdoors |
D.they had little time to study |
A.Some students | B.Some teachers |
C.Some students' parents | D.Some of his friends |
A.receives the ball. |
B.throws the ball to another student |
C.runs quickly with the ball in his hand |
D.throws the ball into the basket |
A.Dr. Naismith had to use fruit baskets to throw the ball. |
B.It was easy to invent the game. |
C.The students could go outdoors when the weather was bad. |
D.The ball had to be thrown into the basket ten feet above the floor. |
Once upon a time, a young man was standing in the middle of the town announcing that he had the most beautiful heart in the world. A large crowd gathered, and they al praised his heart for it was perfect.
Suddenly, an old man appeared and said, “Why ,your heart is not as beautiful as mine.”
The old man’s heart was ful of scars(伤疤). Some pieces of his heart were removed and some pieces from other people were put in, but they didn’t fit quite right. So there were several jagged(锯齿状的)edges. In fact, there were stil some holes in his heart where the pieces were missing.
The young man laughed,“Comparing yours with mine, mine is perfect and yours is a mess.”
“Yes,”said the old man. “But, every scar shows that I took out a piece of my heart and gave it to a person, and often he gave me a piece of his heart in return.”
“Why do you have some jagged edges in your heart?”asked the young man.“Because the shapes of the pieces weren’t the same.”“Then the holes?”“Sometimes I gave pieces of my heart away, and the other person hasn’t given back a piece of his, so … but I don’t care.”“How come?”“They remind me of the love we shared.”
The young man was deeply moved. He walked up to the old man, took a piece of his heart out and gave it to the old man.
The old man placed it in his heart, then took a piece from his old scarred heart and placed it in the wound(伤口)in the young man’s heart. It fitted, but not perfectly, as there were some jagged edges.
The young man looked at his heart, not perfect any more but more beautiful than ever.
How sad it must be to go through life with a whole untouched heart!
【小题1】 The young man stood in the town to _____.
A.meet the old man | B.compare his heart with others’ |
C.show his beautiful heart | D.give pieces of his heart to others |
A.a sily man | B.a humorous man |
C.a wel-known man | D.a kind-hearted man |
A.lost | B.moved | C.hurt | D.untouched |
A.he didn’t expect others’return |
B.he didn’t feel pain |
C.he didn’t think it serious |
D.he cared nothing |
A.ideas | B.scars | C.love | D.beauty |
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