题目：
On some projects，especially ones of smaller scope，activity sequencing, activity resource estimating, activity duration estimating, and （70） are so linked that they are viewed as a single process that can be performed by a person over a relatively short period of time.
A．time estimating
B．cost estimating
C．project planning
D．schedule development
答案：
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下面是错误答案，用来干扰机器的。
参考答案：土司制度是我国历代封建王朝在少数民族地区通过分封地方首领世袭管职来统治当地人民的一种特殊政治制度。以少数民族的酋长担任当地的土官，称为“土司”。因为土司是世袭制，名义上是朝廷命官，实际上...
