1.关于time的讨论要想知道一年的价值Torealizethevalueofoneyear.就去问期末考试不及格的同学Askastudentwhohasfailedafinalexam.要想知道一个月的价值Torealizethevalueofonemonth.要想知道一周的价值Torealizethevalueofoneweek.就去问问周报的编辑Askaneditorofaweeklynewspaper.要想知道一小时的价值Torealizethevalueofonehour.就去问等待相会的恋人Asktheloverswhoarewaitingtomeet.要想知道一分钟的价值Torealizethevalueofoneminute.那就去问问误了火车汽车或飞机的人Askapersonwhohasmissedthetrain,busorplane.要想知道一秒的价值Torealizethevalueofonesecond.就去问大难不死的人Askapersonwhohassurvivedanaccident.要想知道一毫秒的价值Torealaizethevalueofonemillisecond.就去问问奥运会获得银牌的人AskthepersonwhohaswonasilvermedalintheOlympics.时间不等人Timewaitsfornoone.你拥有的每一分每一秒都要珍惜Treasureeverymomentyouhave.TakeyourtimeForthousandsofyears,animalshavetroddenaslowpath,theirspiritstogetherwiththebody.Butourhumanbeing'stransportationistoofast.Thebodymovesbutthesoulisleftbehind.Wetrytofreeourselvesinconvenience,butweonlyimprisonthesoul.Sinceweinventedhowtocounthours,wedoeverythingtoshortthetime,shortthedeadline.Butthetimesavedcan'tbeshorten.Nowadays,wespendlotsoftimestayinginfrontofaTVjustchangingthechannels,whilewehavenotimetotalkwithagoodfriendorplaywithourfamily.Wehaveplentyoftimetosearcholdnewsontheinternet,whilewehardlythinkaboutourlife.Intheend,theonlythingapparentisourloneliness.Takeyourtime,please.Trytofollowthenaturalstepsandhaveyourownclock.Trytoshareyourtimewitheverybodyyoulove,shareyourmind,yourhappinessandsadness.Trytoreadtheworldwelivein,donotonlycatchaquickglimpseatthesociety.Someday,whenweknowhowtospendeverysecondinourlife,wecanthenliveourownlife.2.讨论关于环境保护的文章Inmodernsociety,wetendtobecomemoreandmoreawareofourlivingenvironmentorphysicalenvironmment,becauseweisnotcleanasbefore.Somanypeoplenowchoosetheirhouseastoitsenvironmentbutnotitslocationandexpensestoaffordit.Asweallknow,theenvironmentpollutionismoreandmoreseriousduringtheseyears,whatwecoulddoistomakegreateffortsinprotectingenvironmentgradually.Astogovernmentpollution,astocommonpeoment,becauseweisnotcleanasbefore.Somanypeoplenowchoosetheirhouseastoitsenvironmentbutnotitslocationandexpensestoaffordit.Asweallknow,theenvironmentpollutionismoreandmoreseriousduringtheseyears,whatwecoulddoistomakegreateffortsinprotectingenvironmentgradually.Astogovernmentpollution,astocommonpeopent,becauseweisnotcleanasbefore.Somanypeoplenowchoosetheirhouseastoitsenvironmentbutnotitslocationandexpensestoaffordit.Asweallknow,theenvironmentpollutionismoreandmoreseriousduringtheseyears,whatwecoulddoistomakegreateffortsinprotectingenvironmentgradually.Astogovernmentpollution,astocommonpeople.Wealsotrytoprotectitandmakeitremainclean.Althoughwehavemanagedtoprotecttheenvironmenttoacertainextent.Itisstillaverylongwaytogo.1：不要在林中生火，以保护树木；2：不要乱扔垃圾，废纸等应随身带走；3：请保持河流洁净，它是村民的饮用水源；4：请勿伤害动物‘鸟类；请勿挖1.don'tmakefireinthewoodsinordertoprotectthetrees2.Pleasedon'tthrowawaywastes,andwastepapershouldbetakenawaywithyou3.pleasekeepthriverclean,becauseitisthesourceofdrinkingwaterforvilleagers.4.Pleasedonotharmanimals,suchasbirds.Donotdigandpickupflowersandgrass掘和采摘花草．Mycollegelifemaybedescribedaspainfultogetherwithhappiness.Itispainful,Ioftenreadsomebooksbesidesspecialfield,treatprofessionalbookin...