同样

假定生产一双旅游鞋的社会必要劳动时间是10小时,其价值的货币表现是20元。某厂生产一双同样的旅游鞋耗费个别劳动时间8小时,拿到市场上去卖,这个厂的每双鞋将(  )。

假定生产一双旅游鞋的社会必要劳动时间是10小时,其价值的货币表现是20元。某厂生产一双同样的旅游鞋耗费个别劳动时间8小时,拿到市场上去卖,这个厂的每双鞋将(  )。

Practice 13  (1) Actually, the world’s birth rate is falling. But so is death rate, as medical advances have made it possible for man to live longer than before. Such advances have also reduced baby death rate. (2) Unless population growth is reduced, the

Practice 13  (1) Actually, the world’s birth rate is falling. But so is death rate, as medical advances have made it possible for man to live longer than before. Such advances have also reduced baby d