题目内容
单位按规定销毁会计档案时，应当有档案部门和财务会计部门共同派员监销。 ()
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总体上的各种数字特征叫总体统计量。
A．His son was badly injured.B．His wife was not seriously injured.C．Both his son and his
Section B
Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The conversations and the questions will be spoken only once. When you hear a question, you should choose the correct answer from the 4 choices marked A, B, C, and D.
听力原文：M: Dear, I am tired out.
W: Come on. It has not even been noon yet.
M: But I have sold three thousand roses already!
W: Nothing special. After all, it is Valentine's Day. Red rose stands {or love.
M: Yeah. But does one need to buy ninety-nine at once？
W: Why not？ It is romantic. I love the idea. You know, ninety-nine flowers mean I love you forever.
M: I doubt it! It means nothing but "Come on, be my sweetheart because I have a lot of money!"
W: Oh, my God! So I guess I should never expect flowers from you. Here comes someone!
M: You are up. Let me have a rest.
6. What is the man's attitude towards buying flowers on Valentine's Day？
(6)
从正态总体中随机抽取的容量为n的一切可能样本的平均数的分布也呈正态分布。
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