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【单选题】
—Can you keep a secret? —You ________ worry—I'm not going to mention it to anyone.
A.
needn't
B.
couldn't
C.
mustn't
D.
won't
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参考答案:
举一反三
【单选题】When a market is in equilibrium, one will find that the:
A.
.    quantity demanded is equal to zero.
B.
.    quantity demanded is equal to quantity supplied.
C.
.    quantity demanded is greater than quantity supplied.
D.
.    quantity supplied is zero.
【单选题】Do you think our great ship will  _______     the hurricane?
A.
live with
B.
go through
C.
die from
D.
live through
【单选题】菩萨的坐骑是一头类似狮子的的怪兽,此神兽是()
A.
青狮
B.
六牙白象
C.
谛听
D.
莲花
【单选题】When a market is in equilibrium, the buyers are those with the __________ willingness to pay and the sellers are those with the __________ costs.
A.
highest, highest
B.
highest, lowest
C.
lowest, highest
D.
lowest, lowest
【单选题】Which of the following is true when a market is in equilibrium and there is no government intervention?
A.
.    Total surplus is minimized.
B.
.    The deadweight loss is maximized.
C.
.    No mutually beneficial trades are missed.
D.
.    Some mutually beneficial trades may be missed.
【单选题】When a market is characterized by an externality, the government
A.
a.    can correct the market failure only in the case of positive externalities.
B.
b.   can correct the market failure only in the case of negative externalities.
C.
c.    can correct the market failure in the case of both positive and negative externalities by inducing market participants to internalize the externality.
D.
d.   cannot correct for externalities due to the existence of patents.
【单选题】I’m into the club as an ordinary member.
A.
allowed
B.
admitted
C.
permitted
D.
accepted
【单选题】约束带主要适用于
A.
特殊检查者
B.
肢体瘫痪者
C.
极度虚弱者
D.
不配合治疗者
E.
躁动或精神科病人
【单选题】Figure 2 Refer to Figure 2 . When the market is in long-run equilibrium at point A in panel (b), the firm represented in panel (a) will
A.
have a zero economic profit.
B.
have a negative accounting profit.
C.
exit the market.
D.
choose to increase production to increase profit.
【单选题】When a market is in equilibrium, ( )
A.
quantity demanded will equal quantity supplied.
B.
a shortage will be present.
C.
a surplus will be present.
D.
sellers will continue to expand production to increase revenues.
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