两个杯中分别装有浓度为40%与10%的食盐水,倒在一起后混合食盐水浓度为30%,若再加入300克20%的食盐水,则浓度变 两个杯中分别装有浓度为40%与10%的食盐水,倒在一起后混合食盐水浓度为30%,若再加入300克20%的食盐水,则浓度变成25%,那么原有浓度为40%的食盐水多 分类:行政能力 题型:单选题 查看答案
It was strange that she would __________ such an absurd idea It was strange that she would __________ such an absurd idea.A.allow B.stick C.t 分类:行政能力 题型:单选题 查看答案
The couple had no sooner got to the station __________ the c The couple had no sooner got to the station __________ the coach left.A.when B.a 分类:行政能力 题型:单选题 查看答案