题目内容

设随机变量X和Y相互独立，X在区间(0，2)上服从均匀分布，y服从参数为1的指数分布，则概率P｛X＋Y＞1｝＝()．

A. 1－1／2e
B. 1－e
C. e
D. 2e

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听力原文： A man had to go to court, and he asked his lawyer which judge would be hearing his case. His lawyer told him and then said: "Do yen know him？"
The man answered. "No. but I wanted to know his name so that I could send him a dozen bottles of good wine."
The lawyer was terribly shocked "You can't do that." He said. "You would be breaking the law very seriously, and you would be sure to lose the case."
Some weeks later the case was heard, and the man won it. As he was leaving the court, he said to his lawyer, "My present to the judge was quite successful, wasn't it？"
The lawyer wan even more shocked than before, and said. "What？ Did you really send him that wine after whet I told you？"
"Yes, certainly," answered the man. "But I put my opponent's name on the card which I sent with the wine."
What did the man ask his lawyer？
(9)

A. The name of the judge who would be responsible.
B. Whether he should send a card to the judge.
C. Whether he should send some wine to the judge,
D. Whether a dozen bottles of good wine would be enough.

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In order to take part in the program, students have to do all of the following EXCEPT ______.

A. attending a member college
B. having good grades
C. providing TOEFL scores
D. providing information about financial condition

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听力原文：What made the man's opponent lose the case？
(11)

A. That he didn't send some wine to the judge.
B. That the wine he sent the judge was not so good as the man's.
C. That he forgot to write his name on the card.
D. The man's clever trick.

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会计核算软件中的文字输入、屏幕提示和打印输出必须采用中文，可以同时提供少数民族文字或者外国文字对照。 ()

A. 正确
B. 错误

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设随机变量X和Y相互独立，X在区间(0，2)上服从均匀分布，y服从参数为1的指数分布，则概率P｛X＋Y＞1｝＝()．

A. 1－1／2e B. 1－e C. e D. 2e

In order to take part in the program, students have to do all of the following EXCEPT ______.

听力原文：What made the man's opponent lose the case？(11)

会计核算软件中的文字输入、屏幕提示和打印输出必须采用中文，可以同时提供少数民族文字或者外国文字对照。 ()

A. 1－1／2e
B. 1－e
C. e
D. 2e

听力原文：What made the man's opponent lose the case？
(11)