朝鲜族最有名的乐器是伽倻琴。( )
参考答案:对
Your plan, as well as his, sounds original. But the company, I think, won't approve _____ of them, for they
are unrealistic. [ ]
A. any
B. both
C. each
D. either
影响劳动力需求的因素主要有:经济发展、经济体制、()等。
A.人口发展
B.技术进步
C.就业人数
D.人口总量