选择题:The woman found her mistake___.( )(本题2.5分) A、 whe

题目内容:
The woman found her mistake___.( )(本题2.5分)
A、 when the young man was leaving
B、 after she left the shop
C、 just before she left the coffee shop
D、 before she caught the train.
参考答案:

系统的稳定性不仅与系统自身结构参数有关,而且还与初始条件和外作用大小有关。( )(本题4.0分)A.

系统的稳定性不仅与系统自身结构参数有关,而且还与初始条件和外作用大小有关。( )(本题4.0分)A. 正确B. 错误

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