问题
单项选择题
氟喹诺酮类药物抑制下列何种酶而抗菌()。
A.转肽酶
B.RNA聚合酶
C.DNA螺旋酶
D.分枝菌酸酶
E.二氢叶酸合成酶
答案
参考答案:C
氟喹诺酮类药物抑制下列何种酶而抗菌()。
A.转肽酶
B.RNA聚合酶
C.DNA螺旋酶
D.分枝菌酸酶
E.二氢叶酸合成酶
参考答案:C
情景交际:从方框中选择出合适的选项完成对话。 | |
A: Let's play basketball. B: No, it's boring. A: Then let's go to the movies. B: That sounds interesting. 1______ A: 2______ But I don't like thrillers. It's too scary. What about you? B: I like comedies best. 3______ And I also like Beijing Opera. A: Me too. 4______ B: 5______ She wants to be a Beijing Opera artist.
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