尊老爱幼、孝敬父母是中华民族的传统美德。新修订的《老年人权益保障法》将“常回家看看”写入法律，意味着子女不常回家看望老人就可能违法。这说明 （  ）

   I am Bill Jones. I am a teacher of English. My wife is Linda Jones. She is a nurse. We have a daughter and a son. We have many friends.
Look! These are my friends. This is Mr. Black. He is a worker. He works in a shoe factory He makes shoes there. That’s Mrs. Black. She is a worker on a farm near here. The girl is their daughter. She is a student. She is thirteen. The boy is their son. He is a young soldier（战士）. His name is Carl Black.

下列用图示法表示“中国基本经济制度”相关知识之间的关系，正确的是（    ）

①公有制经济  ②国民经济  ③非公有制经济  ④集体经济  ⑤国有经济