皮皮学，免费搜题
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【单选题】
领导艺术美的体现方式是( )。A.
领导技巧
B.
领导品德
C.
领导创造
D.
领导素质
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皮皮学刷刷变学霸
举一反三
【单选题】Fire hose couplings（）.
A.
are made of bronze，brass，or soft alloy metals
B.
should be painted red in order to identify hose lengths
C.
are specially hardened to prevent crushing
D.
should be greased frequently
【单选题】--- A: W hose pen is it? --- B: Let me see. _________________________.
A.
It is not mine.
B.
It is not my.
【单选题】The canvas covering of fire hose is called the（）.
A.
casing
B.
outer hose
C.
line cover
D.
jacket
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