镶石用的砂浆，一般使用的是（）砂。
A.粗
B.中
C.细
D.混合
参考答案：B
Mo Yah was first known by many for Red Sorghum, which ________ into a famous film by director Zhang Yimou in I987.
A．adapted
B．was adapted
C．had been adapted
D．would adapt
( )是施工合同管理工作的中心。
A．合同管理 B．成本管理C．财务管理 D．计划管理
