题目

 The TV show, “Daddy, where are we going?”, _______ across China, especially popular on the major Chinese websites.    A. exploded            B. slipped                C. leaked                         D. trembled 答案：A 现有稀盐酸、澄清石灰水、氯化钠溶液三种无色溶液，小丽认为可用下列四种试剂进行一次性鉴别，你觉得不可行的是 A.无色酚酞溶液       B.pH试纸       C.Na2CO3溶液           D.紫色石蕊溶液