新职工入职培训首先要解决（）。
A．管理知识
B．财务知识
C．产品认知
D．岗位认知
参考答案：D
Was it on a lonely island ________ he was saved one month after the boat went down?[ ]
A. where
B. that
C. which
D. what
带传动和齿轮传动都适合中心距较大的传动。（）
