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【单选题】
在宇宙飞船上划燃火柴,火焰会立即熄灭,这是因为
A.
氧气不够
B.
在失重情况下空气不对流
C.
火柴潮湿,不易燃烧
D.
宇宙飞船上温度低,达不到着火点
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参考答案:
举一反三
【判断题】The number of poles of the forward path transfer function at the origin is called the type number.
A.
正确
B.
错误
【简答题】编程实现:输出100以内7的倍数。
【简答题】根据首字母或所给中文提示,写出正确的单词完成句子. 1. Can you give us a detailed _____(描述) of what you saw in the scene? 2.  The prisoners a_____ to escape, but failed 3.  M_____ health is as important as physical health. 4. ...
【判断题】The number of poles of the loop transfer function at the origin is called the type number.
A.
正确
B.
错误
【简答题】We may interpret the absolute value as being the number of units a given number is from the origin(原点), regardless of direction.
【简答题】写出100以内(包括100)17的倍数:___________________________
【判断题】The number of zeros of the forward path transfer function at the origin is called the type number.
A.
正确
B.
错误
【简答题】Why is there an increasing number of words of Latin and Greek origin in para. 7? Consult a dictionary for the meaning and origin of each of these words.
【简答题】We may interpret the absolute as being the number of units a given number is from the origin, regardless of direction.
【简答题】The number of explanations have been offered for its origin, but nobody knows the true story for certain.
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