十八届三中全会通过的《决定》中，明确提出"启动实施一方是独生子女的夫妇可生育两个孩子的政策"，也就是"单独二胎"政策。这说明（   ） 

    Liu Mei has a h____family. She lives w____．her grandparents and parents in Dantu. Her father is a doctor. He goes to work o____．foot every day. He is not very tall, b____．he is very strong. Her mother is a teacher. She goes to work by car. She often h____．her students at school. Liu Mei's grandparents stay at home. In the morning, they go t____．the park. In the afternoon, they d____． tea with their friends. In the e____,they watch TV .Liu Mei is a student in No.1Middle School. Her school is beautiful. There are many tall b____．there. She wants to s____everyone around her school. She likes it very much.

根据钠原子结构示意图，判断下列说法错误的是(    )