大环内酯类的抗菌机制是（） A.影响叶酸代谢 B.影响胞浆膜的通透性 C.抑制DNA 发布时间：2018-01-29 15:56 │ 来源：www.tikuol.com 题型：单项选择题 问题： 大环内酯类的抗菌机制是（）A.影响叶酸代谢B.影响胞浆膜的通透性C.抑制DNA的合成D.抑制蛋由质合成的全过程E.抑制核酸合成
题型：单项选择题 情景对话。A: Good afternoon, Dale!B: 1. _____, Lisa!A: How are you?B: 2. _____. Thank you. And how are you?A: I'm very well. I have a new cat.B: Really? 3. _____ ?A: It's black and white.B: 4. _____?A: Its name is 'Mimi.B: Let's go and have a look.A: 5. _____ Let's go!A. OKB. Good morningC. I'm fineD. What's its nameE. Good afternoonF. What color is it 查看答案