问题
单项选择题
抑制转肽酶,影响细胞壁合成的是( )
A.磺胺嘧啶
B.青霉素
C.甲氧苄啶
D.异烟肼
E.红霉素
答案
参考答案:B
抑制转肽酶,影响细胞壁合成的是( )
A.磺胺嘧啶
B.青霉素
C.甲氧苄啶
D.异烟肼
E.红霉素
参考答案:B
情景交际。从方框内选择正确的选项,完成对话。 | |
A: 1_____, isn't it? B: Yes. The fine days always make me happy. A: Me too. By the way, what are you doing this evening? B: 2_____. Why? A: Here are two tickets to the concert. Would you like to go with me? B: 3_____. I like music very much. 4_____, and loud music makes people crazy. A: You're right, So let's meet at 7:30 at the cinema gate. OK? B: OK! A: 5_____ B: See you! | |
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