网络的丰富性、便利性、高效性正深刻地改变人际交往。享受健康的网络交往，我们要做到(       )

①以健康的心态把网络作为生活的补充          ②时刻牢记网络交往的道德和法律规则

③善于利用虚拟时空转换角色，为所欲为       ④善于利用网络服务社会，体现人生价值

下列物质性质与应用对应关系正确的是（　　）

完型填空。

    I am 1English boy. My 2is Mike. I am twelve. My sister's name is Ann and we are students. My mother3a teacher. She's a Chinese teacher. My brother's name is Jim. He's five.4 father isn't here. He's 5Xinjiang. I think my family is a good one.​