()发生火灾时,可用二氧化碳灭火器灭火。
A.图书馆
B.档案馆
C.燃气公司
D.加油站
E.塑料制品厂塑胶车间
参考答案:A, B, C, D, E
下列属于中性粒细胞核质发育不平衡的是 ()
A.中毒颗粒
B.空泡
C.杜勒小体
D.核固缩
E.核肿胀
An inflatable liferaft can be launched by().
A.the float-free method ONLY
B.breaking the weak link on the painter
C.throwing the entire container overboard and then pulling on the operating cord to inflate the raft
D.removing the securing straps