尿细菌培养时,下列操作哪项是不正确的() A.用无菌试管留取标本 B.最好留取中段尿 发布时间:2019-01-15 05:12 │ 来源:www.tikuol.com 题型:单项选择题 A型题 问题: 尿细菌培养时,下列操作哪项是不正确的()A.用无菌试管留取标本B.最好留取中段尿C.外阴部消毒后留取标本D.最好留取晨尿E.标本放置数小时后方可送检
题型:单项选择题 A型题 The more one is ______the English-speaking environment, the better he or she will learn the language.A.exposed to B.filled in C.caught on D.kept up 查看答案