题目内容:
Which of the following may illustrate the difference between "competence" and__________ "performance"?
A.What a person "knows" and what he/she "does". B.What a person "can do" and what he/she "does".
C.What a person "does" and what he/she "knows".
D.What a person "does" and what he/she "can do".
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答案解析: