试题与答案

调查某地25岁健康男子144人的身高体重,算得身高的均数与标准差分别为 170.1c

题型:单项选择题

题目:

调查某地25岁健康男子144人的身高体重,算得身高的均数与标准差分别为 170.1cm与4.9cm,体重的均数与标准差为别为54.0kg与5.1kg。据此资料

体重均数的标准误为()。

A.A

B.B

C.C

D.D

E.E

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析:题目来源:规程汇编知识点:二次回路

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题型:阅读理解

阅读下面短文,把A-D 四个句子填入文中空缺处,使短文内容完整正确,然后完成第5题。

Dear Joyce,

        I'm writing to tell you something about a Chinese American singer, Fei Xiang. His English name is Kris

Phillips. He is nearly two meters tall, with brown eyes, looking like an Asian. Though he was born in Taiwan,

he grew up speaking Chinese to his mother and English to his father and the students at Stanford University in

California.     1    .

        In 1986, Fei Xiang visited the mainland and became a pop star there.      2     , such as Fire in Winter,

Clouds of My Homeland, etc.

        He left the mainland for New York four years later.     3      . He lived a quiet life in New York, for only

a few people knew his name.

        Now Phillips has ended his six-year stay in the USA and returned to the mainland and his recording

career(生涯).      4     , including the song Maria from West Side Story.

        Now I think you have known a lot about Phillips.

A. There he worked as a menial (仆人的) worker

B. He was well-known among the young people and his songs were widely accepted

C. His new project (事业) is to introduce the mainland to the music of the Broadway stage

D. Later he returned from abroad to Taiwan and became a singer

5. Which of the following is true?[ ]

A. Fei Xiang's parents are both teachers.

B. Fe Xiang lived in the mainland for four years, later on he went to New York.

C. Fei Xiang is regarded as a pop star both in America and China.

D. Fei Xiang returned to the mainland in 1986.

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