皮皮学，免费搜题
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搜题
【单选题】
下列关于商品、一般等价物、货币、纸币的表述不正确的是（）A.
同学之间赠送的礼品不是商品
B.
一般等价物可以衡量其它一切商品的价值并与其它一切商品相交换
C.
货币也是商品，本质是一般等价物，其本质赋予了它五大职能
D.
纸币不是商品，其本质是价值符号，具有价值尺度和贮藏手段职能
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When a wire feeder is used, what is the welding gun connected to?
A.
Wire feeder
B.
Welding machine
C.
C
D.
D
【单选题】A wire feeder feeds the wire_____.
A.
automatically and continuously
B.
manually and continuously
C.
manually
D.
temporarily
【简答题】When a wire feeder is used, is the welding gun connected to the welding machine or the wire feeder?
【简答题】So the welding gun is connected to the wire feeder, and the wire feeder to the welding machine.
【简答题】Where is the wire feeder in a welding circuit?
【简答题】Does a wire feeder feed the wire automatically and continuously?
【单选题】The wire ____ automatically and continuously by a wire feeder.
A.
feeds
B.
is fed
C.
C
D.
D
【单选题】A wire feeder is between _____ and _____.
A.
the welding machine, the welding gun
B.
the welding gun , the workpiece
C.
C
D.
D
相关题目：
【简答题】So the welding gun is connected to the wire feeder, and the wire feeder to the welding machine.