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【单选题】
菌群失调最常见的原因是A.
接触污染物品引起
B.
长期大量应用抗生素
C.
医院内交叉感染
D.
机体免疫功能降低
E.
细菌寄居部位改变
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【单选题】A Desert Between Paul and Clara Paul had long promised to marry Clara. But at thirty-three he met and married Alice. Clara was driven mad. Paul was taken to court. The judge ordered him to pay Clara $...
A.
he had borrowed $600 from her.
B.
he had broken his word to marry her.
C.
he had promised to give her $600.
D.
he had spent a lot of her money.
【简答题】Some years ago, leaving the farm to work in the city, three brothers were employed by the same company and on the same pay. But three years later, they received different wages. So their father was co...
【简答题】苗族在历史上没有创造出一种为全民族所共同使用的文字，解放后创建的文字也没有很好的整合进苗族文化中，因此苗族传统文化的继承主要是靠[填空(1)]。
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