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【单选题】
( )是指企业在生产某种产品或服务的过程中,随着累积产品产量的增加,生产单位产品的成本下降取得更多的经营成果。A.
协同效应
B.
资产专用性
C.
规模经济
D.
经验效益
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反馈参考答案：
举一反三
【简答题】I hope you will let me know that you can come.
【判断题】The students should understand that you can't let your failures define you, you have to let your failures teach you, you have to let them show you what to do differently the next time. (1.0分)A. √ B. ╳
A.
正确
B.
错误
【单选题】－－－ Does he study very hard at school? －－－ Yes, he studies _____.A．very indeed hardB．hard very i
A.
49. --- Does he study very hard at school? --- Yes, he studies _____. A．very indeed hard
B.
hard very indeed
C.
very hard indeed
D.
indeed very hard
【简答题】当主机A向局域网内所有主机广播发送ARP请求时,ARP Request数据报中包含主机A的 ___ 和 ___。
【单选题】He missed the train this morning ______ he got up late．
A.
or
B.
if
C.
but
D.
because
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