单选题:It is laid down in the regulations that all members must car 题目分类:综合类 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: It is laid down in the regulations that all members must carry their membership cards at all times. A.suggested B.warned C.stated D.described 参考答案: 答案解析:
婴儿期计划免疫,正确的接种时间是( )。 婴儿期计划免疫,正确的接种时间是( )。A.脊髓灰质炎疫苗2个月以上 B.卡介苗2~3个月 C.麻疹疫苗4~5个月 D.牛痘6—8个月 E.乙型脑炎疫苗9—10 分类:综合类 题型:单选题 查看答案
小儿末梢赢中性粒细胞和淋巴细胞的比例相等的时间分别是( )。 小儿末梢赢中性粒细胞和淋巴细胞的比例相等的时间分别是( )。A.1~3天和l~3岁 B.4~6天和4~6岁 C.7~9天和7~9岁 D.10~l2天和l0~12 分类:综合类 题型:单选题 查看答案