单项选择题

A．Intermediate learners.
B．College students.
C．Beginners.
D．Professionals.
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单项选择题
A．Determine the characteristics of the job.B．Determine the basic skills the job requires.C．Understand the nature of the job.D．Understand the management of the job.
A．Determine the characteristics of the job.
B．Determine the basic skills the job requires.
C．Understand the nature of the job.
D．Understand the management of the job.
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