工程咨询方法具有( )的特点。
A.多样性
B.分化性
C.普遍性
D.权威性
参考答案:A
Coming into the room, I found them ______ at the table, _____ chess. [ ]
A. seated; playing
B. seating; playing
C. seat; play
D. seated; played
已知某土样含水量为20%,土粒相对密度为2.7,孔隙率为50%,若将该土加水至完全饱和,问10m3该土体需加水多少?(计算题)