【单选题】All portable fire extinguishers must be capable of being ______.
A.
carried by hand to a fire
B.
carried or rolled to a fire
C.
recharged in the field
D.
used on class “B” fire
【单选题】All portable fire extinguishers must be capable of being().
A.
carried by hand to a fire
B.
carried or rolled to a fire
C.
recharged in the field
D.
used on class 'B' fires
【单选题】工程竣工备案形成资料中,不包括以下( )
【单选题】为了在谈判中___________主动,一定要比较不同竞争对手的条件,以免客户随意___________。每次让步的同时,尽量争取___________对方的一些利益。如果不得不降价,要算算利润和成本,若是成本太高,无法赚钱,可以声明___________谈判。
【单选题】A foam-type portable fire extinguisher would be most useful in combating a fire in ______.
A.
solid materials such as wood or bales of fiber
C.
a piece of electrical equipment
D.
combustible metallic solid
【单选题】To determine the number of portable fire extinguishers required on an inspected vessel,you should check the ______.
B.
Certificate of Inspection
C.
Safety of Life at Sea Certificate
【简答题】现代汉民族共同语以______为语法规范。