题目内容

图所示刚架结构，不计分布质量，动力自由度个数为()。

A. 2
B. 3
C. 4
D. 5

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听力原文：Why did the man recommend these television repairmen？
(16)

A. The shop was easy to find.
B. The shop is located nearby.
C. They do good work and the prices are reasonable.
D. The repairmen are skilful although the prices may be high.

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以下2题基于以下描述:有一个初始为空的栈和输入序列A,B,C,D,E,F,G,现经过如下操作:push,push,top,pop,push,push,top,push,pop,pop,pop。
下列哪一个是正确的从栈中删除元素的序列？

A. BE
BD
C. BEDC
D. BDEC

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听力原文：M: I don't think you can build your model in less than a week.
W: Mary made hers in three days.
Q: What does the woman say about Mary？
(3)

A. She built a model a week ago.
B. She completed her model quickly.
C. She made her model in more than a week.
D. She failed to make her model.

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图所示结构，截面A、B的受拉侧分别为()。

A. 外侧、外侧
B. 内侧、内侧
C. 外侧、内侧
D. 内侧、外侧

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图所示刚架结构，不计分布质量，动力自由度个数为()。

A. 2 B. 3 C. 4 D. 5

听力原文：Why did the man recommend these television repairmen？(16)

以下2题基于以下描述:有一个初始为空的栈和输入序列A,B,C,D,E,F,G,现经过如下操作:push,push,top,pop,push,push,top,push,pop,pop,pop。下列哪一个是正确的从栈中删除元素的序列？

听力原文：M: I don't think you can build your model in less than a week.W: Mary made hers in three days.Q: What does the woman say about Mary？(3)

图所示结构，截面A、B的受拉侧分别为()。

A. 2
B. 3
C. 4
D. 5

听力原文：Why did the man recommend these television repairmen？
(16)

以下2题基于以下描述:有一个初始为空的栈和输入序列A,B,C,D,E,F,G,现经过如下操作:push,push,top,pop,push,push,top,push,pop,pop,pop。
下列哪一个是正确的从栈中删除元素的序列？

听力原文：M: I don't think you can build your model in less than a week.
W: Mary made hers in three days.
Q: What does the woman say about Mary？
(3)