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【简答题】
在烧杯中体积为2．0×10－2dm3，浓度为0．10 mol．dm－3的氨水，逐步向其中加入体积为VHCl，浓度为0．10 mol．dm－3的HCl溶液，试计算当加入HCl溶液的体积分别为： (1)VHCl＝1．0×10－2dm－3； (2)VHCl＝2．0×10－2dm3； (3)VHCl＝3．0×10 dm－3时，混合液的pH。
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举一反三
【单选题】A manufacturing firm is very busy and overtime is being worked. How would the amount of overtime premium contained in direct wages normally be classed?
A.
Part of prime cost
B.
Factory overheads
C.
Direct labour costs
D.
Administrative overheads
【单选题】A manufacturing firm is very busy and overtime is being worked.The amount of overtime premium contained in direct wages would normally be classed as:
A.
part of prime cost
B.
factory overhead
C.
direct labour costs
D.
administrative overheads
【单选题】If a foreign-based firm borrows money from a host country bank as a hedge against being forced out of operation without adequate compensation, the firm is managing political risk with ________.
A.
local debt financing
B.
position control
C.
development assistance
D.
adaptation
【单选题】关于坐骨神经,描述错误的是
A.
是全身最大的神经
B.
由梨状肌下孔出骨盆
C.
发出胫神经和腓总神经
D.
体表投影在坐骨结节与大转子连线中点稍内侧与股骨内外侧髁中
E.
连线的上1/2
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