基坑回填应分层夯压密实。取样测定压实以后的干土质量密度，其合格率应（）。
A.≥0.90
B.≥0.92
C.≥0.93
D.≥0.95
参考答案：A
_____ me today 's paper, and _____ this banana to your grandpa, please. [ ]
A. Bring; take
B. Take; bring
C. Carry; bring
D. Bring; Carry
He found it impossible to please his boss; ____, he quit the well-paid job.
A．however
B．even so
C．otherwise
D．thus
