例子一

　　AfterIcametoLuoyangNormalUniversity,Igetintouchwithmoreandmorecollegestudents.Ifindaveryseriousproblemaboutunhealthyhabitsofcollegestudents,whichaffectsoutregularcollegelife.

　　Firstly,alargenumberofstudentsstayuplateeveryday,butsometimesgetupearly.Whentheyarriveatclassroom,theyfeelverytired.Secondly,somecollegestudentsbecomeaddictedtocomputergamesandspendtoomuchtimeonthem.Thirdly,somecollegestudentsareinlovewiththeirfriends.Whenacollegestudenttellshisbelovedthathewillloveherforever,itprobablycan’tbetrue.Intheend,manycollegestudentshaveunhealthyeatinghabits.Sometimes,theygotoclasseswithouthavingbreakfast,sotheymayhavestomachdiseasesifthislastlong.

　　Ascollegestudents,weshouldfindoutthereasonwhywehavesomanyunhealthyhabits.Inseniormiddleschool,weweretoobusytorelaxourselves,whilewehavefullfreetimewhenwecametocollege,sowebecomelazier.

　　例子二

　　Recently,theproblemsofcollegestudentshavebeenbroughtintofocusespeciallytheirunhealthyhabits.

　　Thefirstpartisabouttheirlife.Manyofthemoftensleepsolatethatthenextdaytheyhavenoenoughenergytostudyandoftenhaveahurriedbreakfastforgettinguplate.Thenextpartisabouttheirentertainment.Manystudentsespeciallyboysarelostincomputergames.Theyoftenspendtoomuchtimeonitandforgettosleep,eatandstudy.Therearealsosomebadhabitsintheireating.Manyboysandgirlssmokeanddrinkalotandeattoomuchjunkfood.

　　Theunhealthyhabitsareduetothefactthattheyoftenhavealotofsparetimeandtheydon’tknowhowtomakefulluseofit.Anotherreasonisthattheylosetheiraimsandtheydon’tknowwhattheywanttodointhefuture.