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【单选题】
如图两个大小不同的容器用均匀的细管相连, 有一水银滴作活塞,大容器装着氧气,小容器装着氢气,当温度相同时,水银滴正好在细央,则此时这两种气体中A.
氢气的密度较大
B.
氧气的密度较大
C.
密度一样大
D.
密度大小无法判定
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皮皮学刷刷变学霸
举一反三
【简答题】What does the law of club and tooth mean?
【单选题】—When does the law ? —On the first day next year. [ ]
A.
come into being
B.
come into operation
C.
come into action
D.
come into sight
【单选题】What does the law of diminishing marginal utility outline?
A.
As we consume additional units of a good or service, the satisfaction, or utility we derive from the additional consumption increases
B.
As we consume additional units of a good or service, the price we pay for the additional units decreases
C.
As we consume additional units of a good or service, the satisfaction, or utility we derive from the additional consumption decreases
D.
The satisfaction we derive from consumption is constant regardless of the quantity units we consume
【判断题】(判断题)处理游客投诉时,导游人员要首先表示出同情和理解,要用适当的语言来缓解气氛和客人的不良情绪,对于投诉中提出的要求,可先暂时答应,以免激化矛盾。()
A.
正确
B.
错误
【单选题】What Punishment does the law ______ for corruption in government?
A.
predict
B.
prescribe
C.
assess
D.
assume
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