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【多选题】
下列哪些是卫生服务市场的特征（ ）。A.
存在非排他性和非竞争性典型特征
B.
医疗市场拥有三方经济主体
C.
供需双方信息不对称
D.
卫生服务的市场不受地理范围的限制
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【单选题】As children we were best friends, but as we grew up we just drifted _____.
A.
apart
B.
away
C.
off
D.
out
【单选题】店铺推广的关键词最低起价多少? (6 分)
A.
店铺推广的关键词最低起价是0.1元。加价幅度至少为0.01元
B.
店铺推广的关键词最低起价是0.1元。加价幅度至少为0.1元
C.
店铺推广的关键词最低起价是0.2元。加价幅度至少为0.01元
D.
店铺推广的关键词最低起价是0.2元。加价幅度至少为0. 1元
【单选题】The warning we were given as children ________ an apple a day keeps the doctor away may，in fact，have a scientific explanation.
A.
that
B.
who
C.
where
D.
which
【单选题】As we grow older, birthdays seem to more quickly than when we were children.
A.
come in
B.
come around
C.
come out
D.
come over
【单选题】The warning we were given as children ________ eating fast will make you fat, may in fact, have a scientific explanation.
A.
that
B.
who
C.
where
D.
which
【简答题】As children we were very close, but as we grew up we just __________.
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