油类火灾不能用()进行灭火。
A.泡沫
B.四氯化碳
C.于粉
D.水
参考答案:D
At the meeting, only ___ people agreed with him, so he had to give up.
A.number of
B.handful of
C.numbers of
D.a handful of
__________是重型病毒性肝炎患者出血的最主要原因。