MobilePhone

　　Beingaproductofhigh-technology,mobilephonesarebeingmoreandmorewidelyused.It'ssmallinsize,lightinweightandeasytocarry,offeringfastandconvenientserviceforcommunication.It'sofmulti-function.Theusersuseitforcalling,sendingshortmessagesandinternet-surfing.

　　Inrecentyears,mobilephoneshavebecomepopularamongmiddleschoolstudents.Quiteafewusethematschooltokeepintouchwiththeirfamiliesandfriendsinsteadofwritingletters,which,ofcoursebringsconveniencetothem.ButIdon'tthinkit'sgoodtodoso.

　　Inspiteoftheadvantagementionedabove,studentusersoftenwastealotoftimechattingoverthephoneintheirsparetime,someevenusethemtocheatinexams.Inaddition,mobilephonebillisalsoaheavyburdenonstudents'families.