题型:问答题 简答题 — Is there any particular soup you would like to have?— _____ you select is all right with me. [ ]A. Whatever B. Anything C. No matter what D. Whichever 查看答案
题型:问答题 简答题 现有硫酸、氯化钡、硫酸钠和碳酸钠四瓶溶液,为鉴别它们先把四瓶溶液标上A、B、C、D,然后进行以下实验.①A跟B混合有气体产生;A跟C混合有白色沉淀生成;A跟D混合时无明显的反应现象.②A跟C反应所生成的白色沉淀能溶于B跟C反应后的溶液中.由此可知:A是______,B是______,C是______,D是______. 查看答案