水质硫酸盐评价指标可以反映() A.水质硬度 B.悬浮性固体 C.溶解性固体 D.某 发布时间:2017-04-16 16:08 │ 来源:www.tikuol.com 题型:单项选择题 A1型题 问题: 水质硫酸盐评价指标可以反映()A.水质硬度B.悬浮性固体C.溶解性固体D.某些化肥污染E.水的有机物含量
题型:单项选择题 A1型题 —I can't find ______ in the office. Where are they?—They have gone to the restaurant. [ ]A. somebody B. everybody C. anybody D. nobody 查看答案