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【单选题】
对于平面杆单元,若进行平面直角坐标系之间的变换,需要_____个独立的角度来描述。A.
1
B.
2
C.
3
D.
4
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反馈参考答案：
举一反三
【简答题】称为“阳中之阴”的脏是（ ）。
【简答题】听力原文：(A) The buildings are different in height. (B) The buildings are far away from the road. (C) The bus stop is on the same side with the buildings. (D) There are bushes along the road.
【多选题】在某工程网络计划中，已知工作M的自由时差为4天。如果在该网络计划的执行过程中发现工作M的持续时间延长了2天，而其他工作正常，则此时工作M( )。
A.
不会使总工期延长
B.
不影响其后续工作的正常进行
C.
总时差不变，自由时差减少2天
D.
总时差和自由时差各减少2天
E.
自由时差不变，总时差减少2天
【简答题】A．All the seats in the new buildings are fold back. B．All the new buildings are higher than the old ones. C．The new buildings are equipped with elevators while old ones aren't. D．The new buildings are...
【简答题】(b) Router has a number of film studios and office buildings. The office buildings are in prestigious areas whereas the film studios are located in ‘out of town’ locations. The management of Router wi...
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