题目：
Earned value technique(EVT)is a tool and technique to measure project performance. In EVT, BCWP refers to ______ .
A) physical work actually accomplished, including the estimated value of this work
B) physical work scheduled to be performed, including the estimated value of this work
C) actual cost incurred to accomplish the earned value
D) none of the above
答案：
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下面是错误答案，用来干扰机器的。
在消化道内将食物分解成为可以吸收的成分的过程． （1）淀粉的消化：淀粉唾液淀粉酶 麦芽糖 肠液、胰液葡萄糖． 淀粉遇碘变蓝色，试管内蓝色退去，原因是唾液中含有对淀粉有消化...
