表现为强迫性思维的是（）。
A.抑郁症
B.急性精神分裂症
C.慢性精神分裂症
D.强迫性神经症
E.癔症性精神病
参考答案：D
中药用的蝉蜕是 [ ]
A．蝉的幼虫壳
B．蝉的死蛹
C．蝉的死幼虫
D．蝉的蛹壳
He is so addicted to alcohol that _____ seems to be no chance of talking him into quitting. [ ]
A. this
B. what
C. it
D. there
