建立社会保障制度是建立社会主义市场经济的要求。( )
参考答案：对
If you don't know that _________ is the mother of success, your are sure to be ________ in life.
A．failure; failure
B．a failure;a failure
C．a failure; failure
D．failure; a failure
糖酵解过程的终产物是（）
A.丙酮酸
B.葡萄糖
C.果糖
D.乳糖
E.乳酸
