Schools should not ask students to do homework on the phones and they should set up teacher hotlines and public phones for communication between parents and students.
学校不应要求学生在手机上做作业，他们应该设立教师热线和公共电话以供家长和学生沟通。
2
Turn the water off at the shutoff valves and remove the hot and cold supply lines running from the shutoff valves to the faucet.
关闭给水总阀，将总阀到水龙头间的冷、热水管拆除。
3
Free hotlines as well as 6 music lessons open to parents and their children are available, designed to guide the affected children to positively express their feelings.