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【单选题】
由于微型计算机在工业自动化控制方面的广泛应用,它可以()。A.
节省劳动力,减轻劳动强度,提高生产效率
B.
节省原料,减少能源消耗,降低生产成本
C.
代替危险性较大的工作岗位上人工操作
D.
以上都对
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【单选题】_______ , and he felt hopeless.
A.
Because Charles was sentenced to death
B.
As Charles was sentenced to death
C.
Sentenced to death
D.
Charles was sentenced to death
【简答题】垄断者在一个工厂中生产产品而在两市场上销售，他的成本曲线和两个市场的需求曲线方程分别为：TC=(Q 1 +Q 2 ) 2 +10(Q 1 +Q 2 )，Q 1 =32-0.4P 1 ，Q 2 =18-0.1P 2 (TC是总成本；Q 1 ，Q 2 是在市场1，2的销售量；P 1 ，P 2 是市场1，2的价格)。
【简答题】你经常给父母发电子邮件吗? Do you _______ send e-mails to your ________?
【单选题】听力原文： When he first heard the news on the radio, Charles could hardly believe it. He had been told by some friends to expect what happened, but still, he just couldn't accept it. He had spent too many...
A.
The news that machines would replace him and his skills.
B.
The news that he had to learn new skills.
C.
The news that the company was going to reduce the number of machines.
D.
The news that he was no longer a worker.
【简答题】一个垄断者在一个工厂中生产产品而在两个分割的市场上销售,他的成本曲线和两个市场的需求曲线方程分别为: 求: (1)假设厂商可以在两个市场之间实行差别价格,计算在利润最大化水平上每个市场上的价格,销售量,以及他所获得的总利润额。 (2)如果两市场只能索取相同的价格。计算在利润最大化水平上每个市场上的价格,销售量,以及他所获得的总利润。
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