试题与答案

证券投资是指投资者(法人或自然人)购买股票、债券、基金券等有价证券以及这些有价证券的

题型:单项选择题

题目:

证券投资是指投资者(法人或自然人)购买股票、债券、基金券等有价证券以及这些有价证券的衍生品,以获取红利、利息及资本利得的投资行为和投资过程,是直接投资的重要形式。( )

A.

A.正确

B.

B.错误

C.

C.放弃

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:解析:平衡二叉树又称AVL树,它或者是一棵空树,或者是具有下列性质的二叉树:它的左子树和右子树都是平衡二叉树,且左子树和右子树的深度之差的绝对值不超过1,若将二叉树上结点的平衡因子BF定...

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题型:阅读理解

Mark Twain was a great writer. He was from the USA. He was born in 1835. He was also a famous speaker. He was famous for his sense of humour(幽默感). Many people liked to listen to him talk because he liked to tell some interesting stories to make people laugh all the time.

     One day Mark Twain was going to a small town because of his writing. Before he was going to leave, one of his friends said to him that there were always a lot of mosquitoes in the town and told him that he’d better not go there. Mark Twain waved (摇动) his hand and said, “It doesn’t matter. The mosquitoes are no relatives of mine. I don’t think they will come to visit me.”

  After he arrived at the town, Mark Twain stayed in a small hotel near the station. He went into his room, but when he was just about to have a rest, quite a few(许多) mosquitoes flew about him. The waiters felt very sorry about that. “I’m very sorry, Mr. Mark Twain. There are too many mosquitoes in our town.” One of them said to him.

  Mark Twain, however, made a joke, saying to the waiter, “The mosquitoes are very clever. They know my room number. They didn’t come into the wrong room.” What he said made all the people present laugh heartily.

  But that night Mark Twain slept well. Do you know why? That was because all the waiters in the hotel were driving the mosquitoes away for him during the whole night.

小题1:.That day Mark Twain went to the town _____.

A.to see one of his friends

B.because he wanted to do something there for his writing

C.because he was told there were a lot of mosquitoes there

D.to see one of his relatives小题2:. The waiters felt sorry because _____.

A.they did something wrong to Mark Twain

B.their hotel was too small

C.the room was not very clean

D.there were quite a few mosquitoes in Mark Twain’s room小题3:. All the people present laughed heartily because _____.

A.the mosquitoes were very clever and they didn’t come into the wrong room

B.the mosquitoes knew Mark Twain’s room number

C.Mark Twain gave the waiters some nice presents

D.Mark Twain made a joke小题4:. From the story we know _____.

A.no mosquitoes troubled Mark Twain in the night

B.the owner of the hotel told the waiters to look after Mark Twain well at night

C.Mark Twain didn’t have a good rest that night

D.there were not mosquitoes in the hotel any longer

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