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问题 单项选择题

与数学式子

对应的C++语言表达式是

A．3*x^n/(2*x-1)

B．3*x**n/(2*x-1)

C．3*pow(x,*(1/(2*x-1))

D．3*pow(n,/(2*x-1)

答案

参考答案：C

解析：
本题考查将数学表达式翻译为C++语句，其中pow(x,n)用于求xn的值。

阅读理解

At school I have a good friend. He is an English boy .His name is Tom .He is twelve.

We are in No. 3 Middle School .We’re not in the same（同一个） class .He is in Class 2,

Grade 1 .Tom’s sister is not a student .Her name is Jane .She is five .She is a nice girl .

Miss Gao is my English teacher .She is thirty .Mr Wang is Tom’s Chinese teacher .He is thirty ,too .They’re good teachers .

请根据短文内容，回答问题：(5分)

小题1:Tom is _________.

A．English

B．American

C．Chinese

D．France小题2:Tom is in _____________.

A．Class four ,Grade Two

B．Class Two,Grade One

C．Class four ,Grade One

D．Class Three, Grade One小题3: How old is Jane?

A. four       B. five      C. twelve      D six

小题4:Miss Gao is my ______teacher .

A．English

B．Chinese

C．math

D．French小题5: Tom and I _____in the same class ,we _____ in the same school .

A．are ,are’t

B．are , are

C．aren’t ,are

D．aren’t, aren’t
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单项选择题

组织测量工作应遵循的原则是：布局上从整体到局部，精度上由高级到低级，工作次序上（）

A.先规划后实施

B.先细部再展开

C.先碎部后控制

D.先控制后碎部
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