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题目内容
（河南工业大学-大学英语（一））
Which of the following is the main factor (因素) of a successful performance? ( )(本题3.0分)
A、 Strength.
B、 Exactness.
C、 Speed.
D、 Carefulness.
A、 Strength.
B、 Exactness.
C、 Speed.
D、 Carefulness.
参考答案