单项选择题
A.将12.1498修约到一位小数,得12.1 B.将10.502修约成两位有效位数,得11 C.将33500修约成两位有效位数,得34×103 D.将34500修约成两位有效位数,得35×103
A.超固结土 B.欠固结土 C.正常固结土 D.弱欠固结土