单选题:从一瓶浓度为20%的消毒液中倒出2/5后,加满清水,再倒出2/5,又加满清水,此时消毒液的浓度为( )。 题目分类:行政能力 题目类型:单选题 查看权限:VIP 题目内容: 从一瓶浓度为20%的消毒液中倒出2/5后,加满清水,再倒出2/5,又加满清水,此时消毒液的浓度为( )。 A.7.2% B.3.2% C.5.0% D.4.8% 参考答案: 答案解析:
Which of the following can be inferred from what Thomas Jeff Which of the following can be inferred from what Thomas Jefferson said?A.Europe 分类:行政能力 题型:单选题 查看答案
A. crimes B. conclusionsC. possibilitiesD. problems A. crimes B. conclusionsC. possibilitiesD. problems 分类:行政能力 题型:单选题 查看答案
True friendship needs mutual_______on the basis of selfless True friendship needs mutual_______on the basis of selfless action.A.supports du 分类:行政能力 题型:单选题 查看答案