39130约分后是310,分母只含有质因数2和5,所以能化成有限小数.
故答案为:正确.
He has _______the cup ______water.
A.fills ; with
B.filled; of
C.filled; with
D.fill; of
已知某土粒径大于0.075mm的颗粒含量为35%,塑性指数IP=8,则该土属于:()
A.粘性土
B.粉土
C.砂质粉土
D.砂土