β-内酰胺类抗生素的抗菌作用机制是()
A.抑制二氢叶酸合成酶
B.抑制细菌核酸代谢
C.触发细菌自溶酶活性
D.抑制胞壁黏肽合成酶
E.抑制细菌蛋白质合成
参考答案:C, D
I send you 100 dollars today, the rest ____ in a yew. [ ]
A. follows
B. followed
C. to follow
D. being followed
妇科术后留置导尿管者()
A.会阴擦洗
B. * * 灌洗
C. * * 上药
D.会阴湿热敷
E.宫颈上药