问题
单项选择题
进度计划的优化中，( )是寻找最低成本的最短工期安排，或按要求工期寻求最低成本的计划安排过程。
A．工期优化
B．费用优化
C．资源优化
D．最优工期
答案
参考答案：B
解析：费用优化又叫工期成本优化，是寻求最低成本的最短工期安排，或按要求工期寻求最低成本的计划安排过程。
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进度计划的优化中，( )是寻找最低成本的最短工期安排，或按要求工期寻求最低成本的计划安排过程。
A．工期优化
B．费用优化
C．资源优化
D．最优工期
参考答案：B
解析：费用优化又叫工期成本优化，是寻求最低成本的最短工期安排，或按要求工期寻求最低成本的计划安排过程。
Christmas is on December 25th. It’s my favorite 26 . In the morning my parents often 27 the house. My brother and I often 28 the Christmas tree with lights. Then we put a star 29 the top(顶部) of the tree. In the evening, everything is 30 . We sit at the table and eat turkey(火鸡) for Christmas 31 . After the meal, my brother and I watch TV. We often wait for Father Christmas 32 we want to 33 presents from him. Father Christmas always knows 34 I want. Next year I’m going to the cinema with 35 parents. I want to have a different Christmas Day.
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