题目

Never shall I forget that poem and the inspiration _________provided for my first novel. A . which B . that C . it D . what 答案：C16．区分下列各组物质的两种方法都合理的是（　　） 物质方法一方法二A稀盐酸和稀硫酸pH试纸硝酸银试液B氮气和二氧化碳燃着的木条氢氧化钠溶液C碳铵和硝酸铵闻气味稀盐酸D铁片和铝片观察颜色磁铁A．AB．BC．CD．D