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【单选题】
静止龋主要是在下列何种情况下产生的A.
患者抵抗力增加
B.
牙齿硬组织不断矿化
C.
牙面产生龋的条件消失
D.
主要的致龋病菌减少
E.
牙齿的抗酸力增强
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【简答题】党参的功效为:()、()生津。
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【简答题】党参的功效为 , 。
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