能够补气养阴,健脾,润肺,益肾的药物是()
A.石斛
B.玉竹
C.黄精
D.百合
E.枸杞子
参考答案:C
The lady walked around the shops, _____ an eye out for bargains.[ ]
A. keep
B. kept
C. keeping
D. to keep
一般承压设备在检修后或安装后应进行()
A.1.5倍工作压力耐压试验
B.1.25倍工作压力耐压试验
C.渗油或水试验
D.工作压力严密性试验