1.感谢信DearTom,Im writingthisletterforthepurposeofconveyingmysinceregratitudetoyouforyour warm receptionwhileIparticipatedintheexchangeprograminAmerica.YourgeneroushelpmadeitpossiblethatIhadapleasantstayandachancetoknowAmericaculturebetter.Besides,IconsideritanhonorformetomakefriendswithyouandIwillcherishthegoodwillyoushowedtomewhereverIgo.IdohopethatyouwouldvisitChinainduecoursesothatIcouldenjoytheopportunitytorepayyourkindnessandrefreshourfriendship.Onceagain,pleaseacceptmyheartfeltgratitude.Wishyouallbest.Yourssincerely,ZhangWei2.建议信Towhomitmayconcern,Im writingthisletterforthepurposeofmakingsomesuggestionstoimprovetheserviceofourlibrary.Althoughourlibraryfunctionspositivelyinenrichingthestudentscampuslife,itsservicegoesfarfrombeingdesired.Inmyeyes,thefollowingmeasuresneedtobetakenassoonaspossible.Inthefirstplace,whynotarrangeaninquirydeskatthecirculationhall?Inaddition,thestudentsshouldhaveaccesstothelatestissuesofforeignmagazines.Lastly,youshouldmaintainstrictorderatthereadingroom.Thankyouforspendingtimeinreadingthisletter.Imlookingforwardtoyourreplyatyourearliestconvenience.Yourssincerely,ZhangWei3.祝贺信DearJack,Imwritingthisletterforthepurposeofextendingmywarmestcongratulationsonyourpromotiontogeneralmanagerofthecompany.Iknowhowhardyouveworkedtoattainthisgoal.Therefore,Icanimagineyourexcitementwhenyourelizedsuchanambitionafteralltheseyearsofpainstakingefforts.Indeed,noonecouldhavebeenmoredeservingthanyou.Ontheotherhand,forme,itwillbearealencouragementtoseeyoureffectsrewarded.Inshort,Itakegreatprideinyourcurrentachievements.Onceagain,pleaseacceptmyheartfeltcongratulationsonyoursuccess.Iwishyoustillfurthersuccess.Yourssincerely,ZhangWei4. 推荐信DearJack,ImwritingthisletterforthepurposeofrecommendingtoyouLiMing,oneofmybestcolleagues.PresentlyheisteachingatNanjingNormalUniversity.HewillgotoHarvardUniversityinyourplaceforfurtherstudy.Asitwillbethefirsttimeforhimtostudyabroad,hewillmostlikelyencounteravarietyofproblems.Hehopestoobtainyourguidanceinmanyways.Iwouldbegratefulifyoucouldkindlyofferhelp.Thanksforyourdueattentiontothismatter.Imlookingforwardtoyourreplyatyourearliestconvenience.Yourssincerely,ZhangWei5. 辞职信DearMrWang,Imwritingtheletterforthepurposeofinformingyouofmydecisiontoresignfrommycurrentposition.Aftertwomonthsofwork,Ifinditinappropriateformetotakethepositionasaneditorforthefollowingreasons.Firstandforemost,Ieverexpectedthejobtobechallengingandrewarding,whichhasturnedouttobetheopposite.Moreover,thesalaryhasprovedtobemuchlowerthanyouoriginallypromisedandIhavealargefamilytosupport.Therefore,Ihavemadeupmymindtoquitaftermuchdeliberation.Thankyouforhavingofferedmethesplendidopportunitytoworkwiththeoutstandingstaffhere.Igenuinelyhopethatyouwillapproveofmyresignation.Imsincerelysorryforanyinconveniencecaused.Yourssincerely,ZhangWei6.求职信DearSirorMadam,ImwritingtheletterforthepurposeofapplyingforthepositionasadvertisedinChinaDaily.IamanundergraduatefromSichuanUniversity.Myqualifications,Ibelieve,amplemeetyourrequirements.Inthefirstplace,myspecialty,Englisheducation,guranteesthatmyeducationalbackgroundisrightperfectlyinlinewiththisjob.Inthesecond,mypreviousexperienceasamiddleschoolEnglishteacherhashelpedlayasolidfoundationfortheworkhere.Inthethird,Iamagoodteamplayer,self-motivated,andeagertolearn.Pleaserefertomyattachedresumeformoredetails.Iwouldappreciateitverymuchifyoucouldscheduleainterview.Lookingforwardtoyourreplyatyourearliestconvenience.Yourssincerely,ZhangWei7. 邀请信（私）DearJudy,ImwritingthisletterforthepurposeofinvitingyoutoadinnerpartytobeheldatmyhouseonthefirstofFebruarytocelebratemyfathers80-year-oldbirthday.Thepartywillbeginat7oclockintheeveningwithasmallmusicsoiree.Thiswillbefollowedbyo