问题
选择题
Cocaine's being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]
A．proper
B．mistaken
C．impossible
D．unsuitable
答案
答案：B
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Cocaine's being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]
A．proper
B．mistaken
C．impossible
D．unsuitable
答案：B