编制弹性利润预算的百分比法,必须假定固定成本在固定预算的基础上不变和变动成本随销售收入变动百分比而同比例变动。()
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From the tone of the passage we know that the author is ______.
A. doubtful about the necessity of keeping H-bombs at home for safety
B. unhappy with those who vote against the ownership of H-bombs
C. not serious about the private ownership of H bombs
D. concerned about the spread of unclear weapons
在物流供需资料的收集过程中，不仅要对基本供需资料进行收集，同时也要收集物流过程的未来资料即未来供需资料。
A. 正确
B. 错误
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