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【单选题】
国内肝硬化最常见的病因是A.
血吸虫病
B.
病毒性肝炎
C.
酒精中毒
D.
胆汁郁积
E.
循环障碍
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举一反三
【单选题】In my hometown, the old over 100 years old __ not only by their family but also by the government . A. B. good care of C. is taken good care of D. are take good care of
A.
is taken good care
B.
are taken good care
C.
is taken good care of
D.
are taken good care of
【单选题】The cross elasticity of demand for good X with respect to the price of good Y is negative. Good X is a normal good and good Y is an inferior good. The supply of good X is perfectly elastic. A rise in ...
A.
will raise
B.
will lower
C.
will have no effect
D.
initially raise and then lower
【单选题】The marginal benefit of a good is a measure of
A.
the price of the good.
B.
consumer surplus.
C.
how much a consumer values another unit of the good.
D.
the total utility that the consumer gets from the good.
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