Smartphones have become a part of our daily lives. However, to protect younger ___51___ （ student ） eyesight and make sure they focus on their studies, primary and middle schools will have more specific rules to limit students' mobile phone use on campus.

The Ministry of Education released （发布） ___52___ notice in January that restricts （限制） primary and middle school students from carrying mobile phones ___53___ school. Those who still require ___54___ （ they ） phone for some reason must get their parents' and teachers' approval （批准） ___55___ must hand their phones over during class time.

The policy aims to improve students' focus on study and fight addiction （沉迷） to the internet and ___56___ （ game ） .

According to a 2020 report by the China Internet Network Information Center, China ___57___ （ have ） 175 million internet users under the age of 18 in 2019, with 74 percent having their own mobile devices.

This is ___58___ （ worry ） , as long-time use of smartphones harms children's eyesight, cervical vertebrae （颈椎） and even the brain, according to the World Health Organization.

Li Jisen, an 18-year-old from Beijing 101 Middle School, agrees with the new policy. "In general, there are more advantages than disadvantages," he said. Li believes ___59___ regulating （规范） phone use at school is the only way ___60___ （ put ） the focus back on study.

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