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【判断题】
任何离散信号都存在 z 变换。A.
正确
B.
错误
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举一反三
【简答题】阅读理解。 A young boy was playing with a ball in the street. He threw (扔) it too hard and it broke (打破) the window of a house and fell (掉) inside. A woman came to the window and shouted (大喊) at the boy. T...
【简答题】He quickly threw a ball to another boy.
【单选题】A boy threw a stone at me. I jumped back in time to avoid _____.
A.
hit
B.
hitting
C.
being hit
D.
to hit
【简答题】Seeing his mother, the boy threw himself _______ her arms.
【单选题】The boy threw a stone at me. I jumped back in time to avoid ___.
A.
hit
B.
hitting
C.
being hit
D.
to hit
【单选题】下列关于气质在管理实践活动中的作用，说法错误的是（ ）。
A.
在评定人的气质时不能认为一种气质类型是好的，另一种类型是坏的
B.
气质能决定一个人活动的社会价值和成就的高低
C.
气质可以影响人的活动效率
D.
气质可以影响人的情感和行动
【简答题】Nearly a quarter-century after a German boy threw a message in a bottle off a ship in the Baltic Sea, he’s received an answer. A 13-year-old Russian, Daniil Korotkikh, was walking with his parents on ...
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