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【判断题】
用于基本生产车间和辅助生产车间以及行政管理部门的照明用电不计入成本，应计入管理费用。A.
正确
B.
错误
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举一反三
【简答题】是科学思维最普通、最基本的形式。
【简答题】A．He had different teachers every term. B．He could learn different things from different teachers. C．He enjoyed his course very much although it lasted five years. D．He had to do a lot of drawing at h...
【单选题】熔化极CO2气体保护焊,中径管水平固定对接接头焊接时,焊枪应与焊缝两侧保持( ),与焊缝后方保持70~80度角。
A.
120度角
B.
90度角
C.
45度角
D.
30度角
【简答题】A．Because Chinese laborers grew to a large number. B．Because most Chinese were different in their physical appearance and dresses. C．Because Chinese were thought to steal job opportunities from wester...
【简答题】短文改错。 The earliest coins in world were used in China from about 650 BC. Coins may be of different in size, weight and shape, and they may be made from different metals, Usually they have different des...
【单选题】熔化极CO2气体保护焊，中径管水平固定对接接头焊接时焊枪应与焊缝两侧保持垂直，与焊缝后方保持()度角。
A.
70~80
B.
80~90
C.
90~100
D.
100~110
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