Supporters of cellphones in school argue a cellphone is a necessity in the modern age．For their own safety，supporters say，students should be free to contact their parents，for example，or phone the police in an emergency． （1）
D
D
But while these are various reasons for allowing students to take cellphones in schools，critics have pointed to some disadvantages too．
Disruption
Cellphones can have a disturbing influence in class．（2）
G
G
Students inevitably（不可避免地） face the temptation to use their cellphones when they should be learning，which damages their own education and is fair neither to other students nor the teacher．The easiest way to deal with the potential harm of cellphones is not to allow them in school．
（3）
A
A
One argument in favor of school uniforms is the more freedom you give students in what they wear，the more you expose inequalities，singling out children from poorer backgrounds．（4）
E
E
Students who can't afford expensive devices such as smartphones may appear and feel inferior，making them a target for bullying and isolating them from their peers．
Theft
Any expensive items brought into school increase the risk of theft．The fewer expensive or desirable items a child brings to school，the safer he or she is from potential thieves and the associated risks of physical assault（攻擊）． （5）
C
C
A．Social Inequality and Bullying
B．Puppy Love and Cheating in Examinations
C．Schools can always provide extra measures to help students protect personal property，but that means more expense．
D．For some students，it's a matter of basic rights．
E．You can argue the same about technology．
F．An argument against allowing students to take cellphones is that they are unnecessary．
G．Even if a student isn't using the cellphone，it could ring and interrupt the teacher or distract the owner and other students from learning．
