正确答案: D
the chief officer
题目:The carpenter is directly responsible to ________.
解析:D
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学习资料的答案和解析:
[单选题]一般泡沫灭火机不能扑救哪一类火______。
酒精火
[单选题]An electrical device which prevents an action from occurring until all other required conditions are met is called a/an _____.
interlock
[单选题]二氧碳中毒症状:Ⅰ、头晕Ⅱ、呼吸困难Ⅲ、头痛Ⅳ、昏倒或意识丧失
Ⅰ、Ⅱ、Ⅲ、Ⅳ
[单选题]兰尾位于人体哪个部位?
右髂部
[单选题]用节流调节法改变泵的流量一般应改变( )阀的开度。
排出
[单选题]材料内力的单位是( )。
不一定