在社会主义初级阶段,非公有制经济是()
A.社会主义公有制经济的补充
B.社会主义市场经济的重要组成部分
C.具有公有性质经济
D.逐步向公有制过渡的经济
参考答案:B
一个乘数中间有0,积的中间可能有0 。[ ]
Never before ______ in greater need of modern public transport than it is today. [ ]
A. has this city been
B. this city has been
C. was this city
D. this city was