从供给侧出发，通过鼓励创新、提升产品竞争力等方式促进经济发展的理论依据包括：（    ）

①生产为消费创造动力    ②消费对生产的调整和升级有导向作用

③新的消费热点可以带动一个产业发展  ④生产决定消费的质量和水平

Every year people celebrate the Spring Festival in China．Usually it is in January or February．It's the most important(重要的)festival in China．So before it comes，everyone buys many things，and they often make a special kind of food called dumplings-It means"come together"．Parents always buy new clothes for their children and children also buy presents for their parents．On the Spring Festival eve(除夕)，all the family members come back home. They sing, dance and play cards．When they enjoy the meal，they give each other the best wishes for the coming year．They all have a good time。