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【单选题】
以下有关短期生产函数错误的是A.
短期生产函数的时间长度一般不超过1年
B.
短期生产中至少有一种要素的投入量是不变的
C.
短期生产中边际产量先是递增而后递减
D.
边际产量是总产量曲线上任意一点切线的斜率
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】新时代中国特色社会主义思想是马克思主义中国化最新成果,是中国特色社会主义理论体系的重要组成部分
A.
当代中国马思主义
B.
21世纪马克思主义
C.
党和国家必须长期坚持并不断发展的指导思想
D.
全党全国人民为实现中华民族伟大复兴而奋斗的行动指南
【简答题】什么是类的成员变量，局部变量，实例成员变量，类成员变量?
【单选题】The boss took no notice of the suggestion given by the clerk that the new technology ____ the problems on conveying the products.
A.
be applied to solve
B.
be applied to solving
C.
must be applied to solving
D.
must be applied to solve
【简答题】A．The waiter. B．The clerk. C．Nobody. D．The woman herself.
【简答题】P22页,2 7 8 9
【单选题】Why did the clerk let the father go to the ATM near the door?
A.
The clerk needed the manager’s help
B.
The father didn’t take his credit card
C.
The father couldn’t pay with his credit card
D.
The two children were crying for their father
【单选题】The next day the clerk refused to register the people Henry brought in because they were not able to read.
A.
正确
B.
错误
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