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问题 单项选择题

你想要证明公司对客户信用政策的变化已导致营业额进帐的变动。用双样本t检验并观察政策变化前后的数据，你计算出来的P值为0.25。实际的解释可能是（）

A.营业额进帐已经变化的可能性是25%

B.你不能有95%的把握检测出营业额的变动

C.你有95%的把握检测出营业额的变动

D.以上皆不是

答案

参考答案：B

听力题

根据下列句子各句句意和空白之后的汉语提示词，在句子右边的横线上写出空缺处相应单词的正确形式，每空只写一词。

小题1:t is effective for him to take regular exercise to prevent weight ___________ (获得，增加).

小题2:he parents of the______________ (溺水) boy he had saved showed their great thanks to him.

小题3:Tom was driving his sports car at an _____________（难以置信的）high speed.

小题4:A bad workman always finds ___________ (错误，过错) with his tools.

小题5:A good way to get a stamp off an ____________ (信封) is to soak it off.

小题6:___________ (不像) me, he has a great interest in gardening.

小题7:The talented young ___________(物理学家) was warmly welcomed by the people in his hometown.

小题8:There is a shortage of ___________ (氧气) in a room where there is a working heater.

小题9:He feels ___________ (轻微地) sick at the bad smell.

小题10:You’d better give a lecture without ____________ (参考) to your notes.
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单项选择题

月经先后无定期的主要发病机理是

A．寒凝血瘀，冲任不畅

B．气虚统摄无权

C．水亏火旺，热扰冲任

D．痰阻经脉，血行不畅

E．气血失于调节，血海蓄溢失常

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