题目

We were in _____ when we left that we forgot the airline tickets. A.a rush so anxious   B.a such anxious rush   C.so an anxious rush   D.such an anxious rush 答案：D 用一种试剂就能区分开苯酚、乙醇、NaOH溶液、AgNO3溶液、KSCN溶液这六种无色液体．它是（）     A．             溴水                B． FeCl3溶液        C． 金属钠   D． CuO