药物依赖治疗原则是()
A.脱毒治疗+对症治疗+康复治疗
B.单独脱毒治疗
C.脱毒治疗+心理治疗
D.脱毒治疗+抗抑郁药物
E.镇静催眠药+心理治疗
参考答案:A
FSW型手制动机由哪些零部件组成?
—We didn't see him at the lecture.
—Neither did anybody else. He _______ it. [ ]
A. can't have attended
B. mustn't attend
C. may not have attended
D. couldn't attend