贫血最不常见于下列哪种毒物中毒（）
A.苯中毒
B.铅中毒
C.二硝基苯中毒
D.砷中毒
E.乙醇中毒
参考答案：E
Although I have traveled to many scenic spots before，________of them are as attractive as
the one I visited this summer vacation.[ ]
A．any
B．none
C．neither
D．all
《管规》对接班前，有何要求？
