题目内容
(请给出正确答案)
[主观题]
Opioids are most often used medically to ________ pain.
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A.the
B.a
C.an
D./
A.similar with
B.similar to
C.familiar with
D.familiar to
A.acceptable
B. intolerable
C. avoidable
D. understandable
A.immune to
B.likely to
C.possible to
D.attractive to
A.Markets
B.Money
C.Profit seeking
D.The price mechanism
E.Scarcity