He often plays games _____ his brothers and sisters.[ ]
A. with
B. to
C. in
D. for
答案:A
某工程自然地面标高为﹣0.45m,设计室外地坪标高为﹣0.30m,基础槽坑底标高为﹣1.60m,人工挖二类土。在计算挖土工程量时K的取值为( )。
A.0.75
B.0.5
C.0.33
D.0.25