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【单选题】
抑制细菌细胞壁合成的药物是A.
万古霉素
B.
红霉素
C.
链霉素
D.
氯霉素
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反馈参考答案：
举一反三
【单选题】紫外-可见分光光度法测定的灵敏度高,准确度好,一般其相对误差在
A.
不超过 ±0.1 %
B.
1%~4%
C.
5%~20%
D.
5%~10%
E.
0.1%~1%
【多选题】The following are true of the classical Greek theater
A.
Although the names of numerous tragedians are known to us, the plays of only two survive.
B.
At first, the chorus served as both the collective actor and the commentator on the events of the drama; it became increasingly important with the development of Greek theater.
C.
It is one of the most important and famous insitution of Greek civilization.
D.
It rose originally in connection with the worship of Dionysus.
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