问题：
[单选题]某企业生产产品经过两道工序，各工序的工时定额分别为30小时和40小时，则第二道工序在产品的加工程度为（）。
A、50
B、71
C、79
D、100
参考答案：
B
相关内容
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- ● Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）
