当初步设计有详细设备清单时，可按( )编制设备安装单位工程概算。
A．概算指标法
B．扩大单价法
C．预算单价法
D．按设备费的百分率法
参考答案：C
“You'll have to wait for two hours, ________ is, at about 11：30, ________ the medical report will come out, ”the doctor said to me.
A．that; when
B．which; that
C．that; which
D．it; whose
液压拔缸器的工作原理类似液压千斤顶。（）
