题目内容

总体上的各种数字特征叫总体统计量。

A. 正确
B. 错误

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A.His son was badly injured.B.His wife was not seriously injured.C.Both his son and his

A. His son was badly injured.
B. His wife was not seriously injured.
C. Both his son and his wife were badly injured.
D. Only his wife was seriously injured.

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)

A. For.
B. Against.
C. Not mentioned.
D. No idea.

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。

A. 正确
B. 错误

The forwarder can book spaces with ocean carrier on behMf of the consignor basis on the FOB/FAS terms in the sales contract made by the consignor as the seller with the buyer.()

A. 正确
B. 错误

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