大剂量甲氨蝶呤化疗致口腔溃疡可使用以下哪项来来预防及护理（）_爱下问搜题

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问题单项选择题

大剂量甲氨蝶呤化疗致口腔溃疡可使用以下哪项来来预防及护理（）

A.呋喃西林漱口液

B.四氢叶酸钙稀释液

C.蛋清

D.锡类散

答案

参考答案：B

改错题

短文改错。
     此题要求改正所给短文中的错误。对标有题号的每一行作出判断：
     如有错误(每行只有一个错误)，则按下列情况改正：
     此行多一个词；把多余的词用斜线(＼)划掉，在该行右边横线上写出该词，并也用斜线划掉。
     此行缺一个词：在缺词处加一个漏字符号(>），在该行右边横线上写出该加的词。
     此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
     注意：原行没有错的不要改。

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选择题

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