360会后台运行,会占用一定运行内存,一般没什么影响。如果运行内存不大的话,建议不要用,可能会卡机，其实没必要装那些,手机没什么病毒，safe;secure2，safely3。safety;security安全测验:safetytest安全第一!:Safetyfirst!交通安全:trafficsafety安全规程。
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Schoolisourhome,weareallliveandstudyhere。Inordertomakeourselvessafe,asastudent,weshouldobeytheschoolrules。CampusSecuritySecurityissuemaysoundclichéd,butwhenitcomestothecampussecurity,wehavetotakeitseriously。
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