小儿尿路感染最常见的病原菌是( )
A.大肠杆菌B.克雷伯杆菌C.变形杆菌D.铜绿假单胞菌E.金黄色葡萄球菌
参考答案:A
Do you think there an English film tomorrow night? [ ]
A. will have
B. is going to be
C. is going to have
D. will is
冷冻品的冷冻时的中心温度要达到()度。
A.-12℃
B.-15℃
C.-18℃
D.以上均可