对草绿色链球菌引起的心内膜炎应首选下列哪种给药方案( )
A.青霉素+链霉素B.链霉素+四环素C.链霉素+异烟肼D.青霉素+四环素E.庆大霉素+链霉素
参考答案:A
_____ we have finished the course, we shall start doing more revision work.
A.For
B.Ever since
C.Now that
D.By now
“从物到感觉和思想”的认识路线是
A.唯心主义
B.唯物主义
C.实用主义
D.自然主义