摊铺好的石灰稳定土基层应当天碾压成活，碾压时的含水量宜在最佳含水量的( )范围内。
A．±1%
B．±2%
C．±3%
D．±4%
参考答案：B
You _____ ever saw computers years ago, but now they are everywhere.[ ]
A. sometimes
B. usually
C. hardly
D. almost
浮脉主（）
A．淡白舌
B．淡红舌
C．绛舌
D．红舌
E．紫舌
