There are three people in my family, my parents and I. My name is Li Yan. I 'm a middle school1.

    I am thirteen years old. I 'm from China, so I can speak2. I can speak a little English, too. These are my 3 .My father is a teacher in a 4 . He can speak Chinese, English and French. He teaches English. He likes 5. He often goes swimming and plays table tennis on Sunday.

    My6  is a manager. She works in a factory.7only speaks Chinese. She likes music and she can8very well. She often sings old songs. She likes white best, so her favourite season is9because it snows. Look! Here is my 10. Its name is Mimi. It is a very cute cat and I like to play with it.

手机的使用越来越普及，人们对手机的功能和通信服务的要求也越来越高，这使得3G（第三代移动通信）应运而生，随着3G时代的到来，一个由设备生产、终端制造、信息服务构成的庞大产业链正在壮大。这表明（    ）

①消费对生产的调整和升级起着导向作用

②消费量的增加带来产品质量的提高

③消费热点的出现能带动相关产业的成长

④消费是社会再生产过程中起决定作用的环节