标定盐酸溶液,应选用的基准物质是()。A、草酸钠B、无水碳酸钠C、氢氧化钠D、EDT 发布时间:2017-08-16 05:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 标定盐酸溶液,应选用的基准物质是()。A、草酸钠B、无水碳酸钠C、氢氧化钠D、EDTA
题型:单项选择题 --What are you going to do this afternoon?-- I am going to the cinema with some friends. The film _______ quite early, so we __________ to the bookstore after that. A.finished; are goingB.finished; goC.finishes; are goingD.finishes; go 查看答案