保险代理合同与保险合同是保险代理职业行为的（ ）依据与基础。
A．道德
B．法律
C．社会
D．经济
参考答案：B
It was this farm, ________hundreds of people worked, ________produced all that milk. [ ]
A. where; that
B. that; that
C. that; where
D. which; where
编程题：
零件图如图所示，要求以小批量生产条件编程，毛坯为60×60×35的45＃钢板。
