设备采购方案最终需获得( )的批准。
A.建设单位
B.总监理工程师
C.项目经理
D.质检站
参考答案:A
Jane doesn't have enough money with her. Could you __________ her some? [ ]
A. borrow
B. take
C. lend
D. help
开瓣音不提示
A.二尖瓣瓣膜活动尚好
B.左心房内压力降低
C.左心房淤血
D.二尖瓣瓣膜有弹性
E.二尖瓣狭窄