各分期工程量乘以( )的合价汇总后，生成工程发承包价。
A．工料单价 B．统一单价 C．用料单价 D．综合单价
参考答案：D
—________ is this hairdryer ? —It's my mother's.[ ]
A. Who's
B. Who
C. Whose's
D. Whose
-Kate’s voice is very sweet.
- ______________.
A. So is it
B. So it is
C. So is she
