单项选择题
A.具体的劳动者B.具有劳动能力的人C.劳动人口D.人的劳动能力
A.He doesn't write well enough.B.He is not a professional writer.C.He hasn't got any professional experience.D.He didn't perform. well in the interview.
A.劳务性B.服务性C.休闲性D.直接生产性