单项选择题

决定我国当前生产关系的性质的是( )

A.市场经济
B．计划经济
C．生产资料公有制经济
D．国民经济
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A．Sub family.B．Bear family.C．Raccoon family.D．Not sure.
单项选择题
One reason Americans are more likely to travel this year is that（）.

A．airlines tickets are less expensive
B．more and more Americans have cars
C．the stock market is up
D．travel agents are offering special deals
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