题目内容：
How can engineers develop their professional competence?
A.To attend conferences
B.To keep up with new information
C.To stay current in the field and practice the science
D.All of the above
参考答案：
选择题：How can engineers develop their professional competence?
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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