题目内容

影响柔度大小的因素有（）

A. 杆长
B. 约束
C. 材料
D. 截面

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混凝土的变形分为（）和（）两类。

The ( )model is the basis for today’s computers.

A. Ron Newman
B. von Newman
C. Pascal
D. Charles Babbage

According to the von Neumann model, ( )stored in memory.

A. only data are
B. only programs are
C. data and programs are
D. none of the above

A step-by-step solution to a problem is called( ).

A. hardware
B. an operating system
C. a computer language
D. an algorithm