—We hope you a nice birthday. —Thank you. [ ]
A. have
B. to have
C. having
D. has
答案:A
氨基糖苷类药物的抗菌作用机制是
A.增加胞质膜通透性
B.抑制细菌蛋白质合成
C.抑制胞壁黏肽合成酶
D.抑制二氢叶酸合成酶
E.抑制DNA螺旋酶
什么是信息化?