庆大霉素对下列哪种情况没有治疗效果
A.革兰阴性杆菌所致的腹膜炎
B.大肠杆菌引起的尿路感染
C.绿脓杆菌感染
D.肠球菌所致的心内膜炎
E.结核性脑膜炎
参考答案:B
He must be in trouble now. What should I do?
---______ .he will be OK .
A.have a good time
B.wish you good luck
C.take it easy.
D.The same to you
球上□平平的面,□里应填[ ]
A.有
B.没有