题目

. She wanted to know _________.        A. whether I knew her and where did she work         B. if I knew her and the factory she worked there C. whether I knew her and factory she worked D. if I knew her and the factory where she worked 答案：D某同学在化学晚会上为大家现场作了一幅《镜湖灯影》的景色画：他在白纸上用干净的毛笔蘸取甲溶液“画上”一串灯影，再用另一支毛笔蘸取乙溶液在灯影周围“画上”一片湖水，将白纸挂在墙上，待晾干后，用装有丙溶液的喷雾器向白纸上喷洒。结果出现了“蓝色的湖面上倒映着红色的灯影”的画面。该同学所用的甲、乙、丙三种溶液可能是下列四项中的 ( ) 甲乙丙A稀盐酸氢氧化钠溶液石蕊溶液B氢氧化钾溶液稀盐酸石蕊溶液C氯化钠溶液硫酸钾溶液硫酸钠溶液 D　 石灰水稀硫酸氯化钠溶液A. A B. B C. C D. D