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【单选题】
可作为弹性力学问题中的应力函数，首先必须满足（ ）。A.
平衡微分方程
B.
应力边界条件
C.
相容方程
D.
位移边界条件
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反馈参考答案：
举一反三
【单选题】对比原文和译文，请选出译文正确的一组。
A.
原文：本公司全体同仁竭诚为各界服务。 译文： Our corporation whole-heartedly serve various circles.
B.
原文：暑假里她乘火车到西安去参观。 译文： She went to Xi’an for a visit by train during the summer vacation.
C.
原文：据了解，该地区有丰富的自然资源。 译文： That area is rich in natural resources.
D.
原文：他做实验时心不在焉，几乎引起化学药物爆炸。 译文： He did the experiments absent-mindedly and nearly caused an explosion of the chemical.
【单选题】What is a computer program?
A.
a set of operations and tasks
B.
a set of operations and data
C.
a set of tasks and data
D.
a set of instructions
【单选题】轴瓦与轴承座和轴承盖的配合间隙常采用不大的过盈配合,其过盈量为0.02~0.06mm。
A.
0.01～0.02mm
B.
0.02～0.03mm
C.
0.02～0.04mm
D.
0.02～0.06mm
【单选题】What is a generalized AI program?
A.
It is a program with skills of its own.
B.
It is a program with information of its own.
C.
It is a program with a mind of its own.
D.
None of the answers above are right.
【单选题】What is the newcomer’s position in the company ? A. He is a film director. B. He is a program manager. C. He is a department head.
A.
1
B.
2
C.
3
【单选题】What is the purpose of a comment statement in a program?
A.
It provides documentation for the user so that they can use the program effectively.
B.
It provides instructions for the compiler to include header files needed to translate the program to machine language.
C.
It specifies an instruction to be executed when the program runs.
D.
It allows the programmer to make notes during program development that can be removed when the program is complete.
E.
It provides documentation for programmers so that they can understand what the program does when it runs.
【单选题】若本国居民持有某国外上市企业的股票,该企业的股票价格上升了。则下列说法正确的是
A.
国际收支平衡表中证券投资增加
B.
国际收支平衡表中直接投资增加
C.
国际投资头寸表中证券投资增加
D.
国国际投资头寸表不发生变化
【单选题】What is the program about?
A.
Global warming.
B.
Environmental protection.
C.
Tourism of Antarctica.
D.
Research stations in Antarctica.
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