以下口服应用的抗生素是（） A.青霉素G B.非奈西林 C.头孢曲松 D.哌拉西林 发布时间：2018-02-25 13:10 │ 来源：www.tikuol.com 题型：单项选择题 问题： 以下口服应用的抗生素是（）A.青霉素GB.非奈西林C.头孢曲松D.哌拉西林E.头孢哌酮
题型：单项选择题 读一读，选一选，选择正确的得数。( ) 1. 7 + 4 = __________( ) 2. 3 + 9 = __________( ) 3. 19 －5 = __________( ) 4. 20 －15 = __________A. twelve B. eleven A. thirteen B. twelveA. fourteen B. fifteen A. four B. five 查看答案
题型：单项选择题 . “You ___ not be too careful in the exam. Do and check your papers carefully and you ____ not take your papers out of the examination room after the exam.” the teacher told us before the exam.A．must; shouldB．can; shallC．must; shallD．can; could 查看答案