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【单选题】
我国猪高热病的病原是( )A.
病病毒
B.
高致病性的病病毒
C.
变异的病病毒
D.
病病毒
E.
美洲型病病毒
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反馈参考答案：
举一反三
【简答题】β-内酰胺类抗生素的抗菌机制是（）|多黏菌素B的抗菌机制是（）|氨基苷类抗生素的抗菌机制是（）|磺胺的抗菌机制是（）A. 影响叶酸代谢B. 影响胞浆膜的通透性C. 抑制细菌细胞壁的合成D. 抑制蛋白质合成的全过程E. 促进细胞膜合成
【简答题】编制试算平衡表时，也应包括只有期初余额而没有本期发生额的账户。（ ）
【简答题】某些抗菌素抑菌是可逆的，如果从培养基中除去抗菌素，抑菌作用可被解除，细菌恢复生长，设计一种方法从Sul + 菌中分离Sul - 突变株。
【单选题】Mother Nature Shows Her Strength Tornadoes (龙卷风) and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening. The storms were dramatic and dangerous. George Snyde...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Mother Nature Shows Her Strength Tornadoes (龙卷风). and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening. The storms were dramatic and dangerous. George Snyd...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】??Motber Nature Shows Her Strength?? ?? ????????Tornadoes(龙卷风) and heavy thunderstorms moved across the Great Lakes and into TrumbullCounty on Saturday evening: The storms were dramatic and dangerous....
A.
Right
B.
Wrong
C.
Not mentioned
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