受经济下行，劳动力成本上升等因素影响，某企业通过引进“机器人”作业，经济效益不断回温。这表明（    ）

    Everyone has his own (自己的) hero. Many students like s ____ stars like C Ronaldo and Li Na. And many students like popular stars. B____ my hero is different. He is one of my c____. We are in the same class. His name is Allan. Allan is not cool. He is s____ and small. But he has a strong mind (内心). He comes f____ Wenchuan, Sichuan Province. And he l____ with his foster parents (养父母).

    Allan is good at all his l____ . He is always No.1 in G____ 7. He plays basketball and football w____ , too. He likes to help others. At home, he helps his foster parents a l____.

    All the teachers and students say Allan is a hero. Do you think so?

2015年10月中央决定全面实施一对夫妇可生育两个孩子政策。读“我国1950年以来人口增长统计资料图”，完成下面小题。