题目

“When shall we meet again?” “Make it _______day you like; it’s all the same to me.” A. one     B. any C. another      D. some 答案：B下列各组混合物中，无论以何种比例混合，取n mol使之充分燃烧，耗氧量为定值的是A．C2H2、C2H4O　  B．C2H4、C3H6　  C．C2H4、C2H6O　　D．C6H12O6、C2H4O2