Is there a trash bin __________ the door?[ ]
A. in
B. under
C. behind
答案:C
采用棚子支护或砌碹支护时,棚腿或碹墙基础允许架筑在浮煤浮矸上。
急诊科相对固定的急诊护士应不少于在岗护士的( )
A.50% B.30%C.75% D.80%E.60%