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【单选题】
以下使用空调的观点错误的是( )。A.
长期停置时,无需定期开动压缩机
B.
在大负荷时,应暂时关闭空调系统
C.
发动机停止运转后,切勿使用空调
D.
空调系统应定期检查调整
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举一反三
【简答题】马克思主义在中国的早期传播过程中,最早介绍马克思思想及其资本理论的书籍是______________.
【多选题】以下属于单个属性评估器的是( )。
A.
ReliefFAttributeEval
B.
InfoGainAttributeEval
C.
OneRAttributeEval
D.
CfsSubsetEval
E.
BestFirst
【判断题】在毛泽东之前,虽然马克思主义在中国的最早传播者李大钊也提出过马克思 主义中国化的历史任务,马克思主义哲学家艾思奇也提出过“马克思主义哲学中国化”的思想,但是“马克思主义中国化”这一命题最早的明确提出者是毛泽东。
A.
正确
B.
错误
【单选题】— Mum, I've got a headache. — You _____ long, dear. Go out and take a break. [ ]
A.
had read
B.
have been reading
C.
are reading
D.
read
【单选题】You have chosen to take a trip during Spring Break. If you had not gone, you would either have worked at a temporary job or studied for exams. The opportunity cost of your trip is
A.
the wages you would have earned from working.
B.
the lower grade earned by not studying.
C.
the wages you would have earned from working and the lower grade earned by not studying.
D.
the value of the trip.
E.
We cannot determine what the opportunity cost is without knowing which alternative, working or studying, you would have preferred.
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