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问题 单项选择题 A1型题

统计推断中，Ⅰ，Ⅱ型错误均有可能发生，若要使两者都减小，则（）

A.只要减小α就可以了

B.只要减小β就可以了

C.可适当减少样本含量

D.可适当增大样本含量

E.Ⅰ，Ⅱ型错误不可能同时减小

答案

参考答案：D

阅读理解

根据短文内容回答问题

Mr. Ge lives in a small village（村子）named Shanqingge, but he works in a big city（城市）. He goes to work by train every morning and comes home in the same way.

This morning he reads his newspaper on the train, a man behind（在……后面）him says “Hello” to him and begins to talk to him, “Your life is boring, isn’t it? You take the same train every morning. You always take the same seat and read the same newspaper.” “How do you know all that about me?” Mr. Ge says angrily（生气地）.

“Because I always take the same seat behind you,” the man says.

小题1:Where does Mr. Ge live?

小题2:How does Mr. Ge go to work every day?

小题3:What does Mr. Ge often do on the train?

小题4:Does the man often take the same train to work?

小题5:把画线的句子翻译成汉语。
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判断题

道路旅客运输经营者有违反《中华人民共和国道路运输条例》行为的，县级以上道路运输管理机构均可取消其相应的经营资格。
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