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【简答题】
下列哪项不属于广告对社会的功能( ) (A)美化环境 (B)丰富生活 (C)影响意识形态 (D)培养消费观念
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【单选题】某商品流通企业经销的某种机械产品的销售价格为2600元/台，该种机械产品的变动成本为2300元/台，固定成本分摊为9万元。该种机械产品的保本销售额为 ( )万元。
A.
26
B.
52
C.
78
D.
92
【简答题】The of new scientific discoveries to industrial processes usually makes jobs easier to do. (apply)
【单选题】某商品流通企业经销的某种机械产品的销售价格为2600元／台，该种机械产品的变动成本为2300元／台，固定成本分摊为9万元。该种机械产品的保本销售额为 ( )万元。
A.
26
B.
52 C.78 D．92
【单选题】In regard to technology, how do non-industrial societies differ from industrial societies?
A.
In non-industrial societies, technology is as specialized as it is in industrial society.
B.
In non-industrial societies, technology is not as specialized as it is in industrial society.
C.
In industrial societies, women do different jobs before and after marriage.
D.
In industrial societies, people are more easily adapted to certain technical field.
【单选题】一平面简谐波的表达式为 .在 t = 1 / n 时刻, x 1 = 3 l /4 与 x 2 = l /4 二点处质元速度之比是
A.
- 1 ．
B.
．
C.
1 ．
D.
3
【简答题】空间点到W面的距离为10mm,则该点的( )坐标为10mm
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