人民武警部队的武器装备,以步兵轻武器为主,兼有少量重型武器和特种武器。
参考答案：对
失眠症治疗时最常用的药物是（）
A.地西泮
B.氯丙嗪
C.多塞平
D.奋乃静
E.阿米替林
He doesn't read the English text very often. ______ he has failed again. [ ]
A. It is why
B. That's because
C. It is reason
D. That's why
