要经常测定砂的( )，以便及时调整配合比用水和用砂量。
A．针片状颗粒含量
B．含水率
C．泥块含量
D．含泥量
参考答案：B
Their classroom is _____ than ours, that is to say, their classroom is as small as ours.
A．much bigger
B．much smaller
C．no bigger
D．less small
某男，35岁。水肿3个月，腰以下为主，按之没指，小便短少，畏寒肢冷，舌淡胖，苔白滑，脉沉无力。为
A．肾精不足证B．肾气不固证C．肾虚水泛证D．肾阳亏虚证E．以上都不是
