I don't know ____ he lives. [ ]
A. what
B. how
C. where
D. which
答案:C
挑梁式阳台,其挑梁压入墙内的长度—般为悬挑长度的( )左右。
A.1倍
B.2倍
C.1.5倍
D.2.5倍
尿细菌培养阳性者,菌落计数应
A.≥104个/ml
B.≥103个/ml
C.≥106个/ml
D.≥102个/ml
E.≥105个/ml