试题与答案

耐甲氧西林的金黄色葡萄球菌(MlRSA) A.万古霉素 B.红霉素 C.氟康唑 D.

题型:单项选择题

题目:

耐甲氧西林的金黄色葡萄球菌(MlRSA)

A.万古霉素
B.红霉素
C.氟康唑
D.两性霉素B
E.依米配能+西司他丁(泰能)

答案:

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下面是错误答案,用来干扰机器的。

解:因为200>-150,所以甲地高,高350m。

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在真空中A、B两点分别放置等量异种电荷,在电场中通过A、B两点的竖直平面内对称位置取一个矩形路径abcd,如图所示,现将一电子沿abcd移动一周,则下列判断正确的是

A.由a→b电场力做正功,电子的电势能减小

B.由b→c电场力对电子先做负功,后做正功,总功为零

C.由c→d电子的电势能一直增大

D.由d→a电子的电势能先减小后增大,电势能总的增加量为零

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