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请选择括号中的一组正确答案填入。В кассе ____ (осталось, остались) мало билетов.
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【简答题】People have been listening to music to get in the mood for hundreds of years. Recently, there is scientific research to back up what we have always known about music. The studies have shown that when ...
【简答题】And I never _____1____ I'd feel this way
And as far as I'm concerned
I'm glad I got the ____2____ to say
That I do believe I love you
And if I should ever go away
Well then ___3____ and try
To feel th...
【简答题】数控加工工艺是数控加工的 。 数控加工工艺是数控编程的 。
【简答题】数控装置是数控系统的核心，它的组成部分包括数控___________。
【单选题】John dashed back into the room, and saw_____.
A.
what wrong was
B.
what was wrong
C.
if wrong was
D.
if was wrong
【简答题】微分方程即是描述 系统的数学模型, 而 是描述离散时间系统的数学模型。
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