【单选题】【消耗次数：1】
治疗猪丹毒的首选药物是
①
氟苯尼考
②
青霉素
③
庆大霉素
④
利巴韦林
参考答案：
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【单选题】
下列药物属于光谱青霉素的是（ ）
随机题目
【简答题】
简述幼儿记忆发展的特点
【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
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②
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③
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④
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