課堂上禁止帶手機 No Cell Phones In the Classroom

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There is no doubt that cell phone has been part of our life. We use it to keep in touch with our friends and families. Its functions have been developed a lot as time goes by. Almost every middle school student has a cell phone, but some overuse it. In the classroom, when teachers are presenting knowledge, but the students are lowing down their heads playing cell phone. So the teachers advocate students not to bring their cell phones into classroom. But who can actually make it? It is better to let students realize the overuse of cellphone makes them study with lower efficiency. 
毫無疑問，手機已成爲我們生活中的一部分。我們用它來與我們的朋友、家人保持聯繫。隨着時間的流逝，越來越多的手機功能被開發出來。幾乎每個中學生都有一臺手機，但是一些人卻是過度使用。在課堂上，當老師們在講授知識的時候，學生們卻在低頭玩手機。所以老師提倡學生不帶手機進教室。但是又有誰能做到呢？最好是讓學生認識到過度使用手機會使降低他們的學習效率。