扑灭金属火灾时禁止用水，可用干燥的砂子或特殊的灭火剂。
参考答案：对
在现代社会，领导者沟通手段中最常见的方式是______
A．信函沟通 B．直接沟通C．电话沟通 D．间接沟通
______ on this report the English government decided to ask Captain James Cook to go and look for
this continent. [ ]
A. Having based
B. Basing
C. Based
D. To be based
