题目

Though a farmer, Zhu zhiwen has became a huge success as a singer, whose story is really ________ of great inspiration. A . everything B . nothing C . the one D . one 答案：D 下列鉴别方法可行的是（    ） A.用氨水鉴别Al3+、Mg2+和Ag+                           B.用溴水鉴别苯和正己烷 C.用新制Cu(OH)2悬浊液鉴别乙醇、乙醛、乙酸            D.用Ca(OH)2溶液鉴别CO32－和HCO3－