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【判断题】
在气液进口浓度给定的情况下,参数 值的大小反映推动力的大小。A.
正确
B.
错误
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【简答题】Those who spend more pre-bedtime hours using the Internet or watching television are more likely to report insufficient sleep, even though they sleep almost as long as people spending fewer pre-bedtim...
【单选题】Men are said to be more aggressive and enjoy taking risks for ______.
A.
biological reasons
B.
social reasons
C.
economic reasons
D.
reasons not mentioned in the passage
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