用甲硝唑和万古霉素治愈的艰难梭菌感染的患者
复发率是()。
A.5%~10%
B.15%~30%
C.20%~40%
D.60%
E.>60%
参考答案:B
President Hu Jintao has met with _______ UN Secretary General Ban Ki-moon at the Great Hall of the People in Beijing. President Hu welcomed Ban's China _______ and his attendance at the Shanghai World Expo.
A.visiting; visit
B.to visit; to visit
C.visited; visiting
D.visiting; visited
气压传动室的气压输送系统由()等组成。
A.管路系统
B.管路系统和控制元件
C.管路系统和辅助元件
D.管路系统、控制元件和辅助元件