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【单选题】
为鹅口疮患儿清洁口腔时应选择的溶液是A.
3% 的过氧化氢
B.
2%碳酸氢钠
C.
0.1% 依沙吖啶
D.
0.9% 氯化钠
E.
10% 氯化钾
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A.
At a restaurant．
B.
At the woman's home.
C.
In the street.
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