1.ProblemsintheNewCentury(举例法说明文)Writeanexpositoryessayontheproblemsmanwillbefacedwithinthenewcentury.Inthenewcentury,humanbeingswillbefilledwithhopeandlivemoreadvancedlife.Whatusedtobedepictedinsciencefictionscanbetherealityofthenearfuture.However,manwillalsohavetoconfrontwithsomeproblemsthatwillcurtail(剥夺)humanbeingsoftheirexistence.Firstofall,pollutionofallformssuchaslandpollution,noisepollution,airpollutionandwaterpollutionareworseningwitheachpassingday.Peoplecomplainallovertheworldthatitisbecominghardertobreatheandwateristurningundrinkable.Alsoforestsarebeingfelledataveryfastrate.Thepollutionsaregettingsoterriblethatinsomecountrieswecan’tfindcleanandclearriversandwhitecloudsinthesky!Whenthechildrendrawapictureoftheirsurroundings,theypaintthegreentreesingray,theredsuningray,everythingingray,andtheycan’tfindapureenvironmentexceptinthebooks.Additionally,theexplosionofpopulationinsomepartsoftheworldismanifestingitsterribleresults.Humanbeingswil1haveoutgrowntheearth’sresources,andpeoplewillrunahighriskofstarvationanddiseasesresultingfromovercrowding.Induecourse,manwouldbeforcedoutoftheearthifthepresenttrendwerenotreversed.Whatismore,inthepastcenturywehadmanydisastrouswars.Butthereisstillpotentialthattheatomicbombwillbeusedbysomepoliticiansinordertokeepregionalhegemony.Ifitshouldhappen,theexp1osioncouldeasilyleadtothedestructionofcivilization.Moreseriously,thedepersonalizationofhumanrelationshipsandtheweakeningofspiritualvaluesareaggravatingduetothestresscausedbythebusyschedulesandtheextremepursuitofmoney.Thiswillfurthercontributetoman’sisolationandloneliness.Apparently,withalltheseproblemsfacinghumanbeings,itseemstobeoverwhelminglyurgenttoconquerthemonebyonebecausewehaveonlyoneearthanditisourhome.Inthenewcentury,wemusttryourbesttohealtheworldandmakeitabetterplaceforyou,formeandforthechildrenwhowillcometothisworld.2.Theexpensesofcollegestudentsarehigh（举例法说明文）Accordingtooneofmyteacherswhograduatedfromuniversityin1983,hiscollegeexpenseswereonlyabout20yuanspermonth,coveringeverything,suchasfood,anddailynecessities.Abouttwentyyearslater,theexpensesofcollegestudentsaredizzily/staggeringlyhighandgrowingmoresoeveryyear.Thebasicaveragecostperstudentatpublicuniversitiesisnowestimatedat15,000yuansormore,includingalltheexpensesforfood,tuition,accommodations,billsforcommunicationsandfarefortransportation,andotherfees.Thepublicuniversitieshavingthebenefitsofreceivinggovernmentinvestmentinhighereducationarechargingstudentshigh,tosaynothingoftheprivateuniversitieswhichrunontheirowncapacity.Takemyselfasanexample.Atthebeginningofthisterm,Iwaschargedmorethan6,500yuansforthetuitionoftheacademicyear,plus300yuanspermonthformydormitoryaccommodation,500yuansfortheexpensesonfood,clothesandtrivialitems,50yuansformymobilephone,etc.Everyyear,theexpendituretotalsasmuchas20,000yuans,whichhaseatenintoalmosthalfofmyparents’annualincomes.Becausegoingtocollegeissoexpensivetoday,manystudentshavetodropoutandgotoworkearly,whileotherstakepart-timejobstoearnsomemoneyinordertolightentheirparents’financialburden.IamreallykeenontheexperienceinattendingtheuniversitiesandIhaveacquiredalotofknowledgesinceIcametothisuniversity.Iamgratefultomyparentswhoworkhardandlivethriftilytosupportme.Becauseofthis,Iamnotonlyverycarefulinspendingmoney,butalsostudyinghardtoliveuptomyparents’expectation.Somed...
