工程网络计划费用优化的目的是为了()。
A. 寻求资源使用的合理安排
B. 寻求满足要求工期的计划安排
C. 寻求工程总成本最低时的工期安排
D. 寻求资源有限条件下的最短工期安排
If a square and an equilateral triangle have equal perimeters, what is the ratio of the area of the triangle to the area of the square？E．
在非节奏流水施工中,通常采用()计算流水步距。
A. 累加数列错位相减取大差法
B. 累加数列错位相加取大差法
C. 累加数列相减取大差法
D. 累加数列错位相减取小差法
Why does the author say the view presented is surprising？
A. Because it goes against common belief.
Because animals haven't learned this behavior.
C. Because it's not in response to outside stimuli.
D. Because it suggests that every part works together perfectly.
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