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【单选题】
将各种产品的销售收入总额减去各种产品的变动成本总额,称为( )
A.
安全边际
B.
净收益
C.
贡献
D.
贡献率
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举一反三
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【判断题】大修的目的是彻底消灭列车动力作用所造成的线路永久变形。
A.
正确
B.
错误
【单选题】—I missed the beginning of ________musical programme The Voice of China. —What a pity! You should leave school half _______ hour earlier.
A.
a, an
B.
the, a
C.
the, an
D.
an, the
【单选题】下列属于药品质量特性的是()
A.
经济性
B.
需要迫切性
C.
消费者低选择性
D.
社会公共性
E.
专业技术性强
【单选题】下列属于药品质量特性的是()。
A.
专属性
B.
两重性
C.
重要性
D.
均一性
【多选题】According to the LE course, what on earth should you be responsible for?
A.
what I know
B.
the choices I make based on my knowledge
C.
the effect - how my choices affect myself, other people, and the world around me
D.
my holistic growth
【简答题】A: Hi, Han Mei! What are you doing now? B: I’m studying for tomorrow’s test. What about you? A: I’m learning English by l 81 to the tapes. Can you tell me how you learn English? B: I learn by practici...
【多选题】下列属于药品的质量特性的是( )。
A.
有效性
B.
安全性
C.
稳定性
D.
两重性
【单选题】There is no point arguing about what _____ the accident, I’d rather you _____ the victims of it.
A.
led to; focus on
B.
led to; focused on
C.
caused ; focus to
D.
caused to, focused to
【判断题】人们佩戴的眼镜实际上就是一对透镜。
A.
正确
B.
错误
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