通过使组织缺氧产生中毒的是
A.镇静剂B.有机磷C.一氧化碳D.氰化物E.乙醇
参考答案:C
This skirt is too short for me. Would you show me a _______ one? [ ]
A. better
B. cheaper
C. shorter
D. longer
下列属于管理人员的有()
A.矿长
B.厂长
C.生产队组队长
D.定额员
E.生产队组带班
F.统计员