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1、AdvantagesofTea-DrinkingTeahasbeenoneofthedailynecessitiesinChinasincetimeimmemorial.Countlessnumbersofpeopleliketohavetheiraftermealtea.Insummerorwarmclimate,teaseemstodispeltheheatandbringoninstantcooltogetherwithafeelingofrelaxation.Forthisreason,tea-housesaboundintownsandmarke
2、tvillagesinSouthChinaandprovideelderlyretireeswiththelocalestomeetandchatoveracupoftea.Medically,thetealeafcontainsanumberofchemicals,ofwhich20-30%istannicacid,(丹宁酸)knownforitsanti-inflammatory(炎的)andgermi’cidal(杀菌的)properties.Italsocontainsanalkaloid生物碱(5%,mainlycaffeine),astimul
3、antforthenervecentreandtheprocessofme’tabolism.新陈代谢Teawiththearomaticsinitmayhelpresolvemeatandfatandthuspromotedigestion.Itis,therefore,ofspecialimportancetopeoplewholivemainlyonmeat,likemanyoftheethnicminoritiesinChina.Apopularproverbamongthemsays,"Rathergowithoutsaltforthreeday
4、sthanwithoutteaforasingleday."Teaisalsorichinvariousvitaminsand,forsmokers,ithelpstodischargenicotineoutofthesystem.Afterwining,strongteamayprovetobeasoberingpick-me-up.Theabove,however,doesnotgotosaythatthestrongerthetea,themoreadvantagesitwillyield.Toomuchtannicacidwillaffectthe
5、se‘cretionofthegastricjuice(胃液),irritatethemembraneofthestomachandcauseindigestionorconstipation.Strongteatakenjustbeforebedtimewillgiverisetooccasionalinsomnia.Constantdrinkingofover-strongteamayinduceheartandblood-pressuredisordersinsomepeople,reducethemilkofabreast-feedingmothe
6、r,andputabrowncolorontheteethofyoungpeople.Butitisnotdifficulttowardofftheseundesirableeffects:justdon'tmakeyourteatoostrong.TeadrinkingcustomsApotofChineseteaThereareseveralspecialcircumstancesinwhichteaispreparedandconsumed.·Asasignofrespect:InChinesesociety,theyoungergeneration
7、alwaysshowsitsrespecttotheoldergenerationbyofferingacupoftea.Invitingandpayingfortheirelderstogotorestaurantsforteaisatraditionalactivityonholidays.Inthepast,peopleoflowerrankservedteatohigherrankingpeople.Today,asChinesesocietybecomesmoreliberal,sometimesathomeparentsmaypouracupo
8、fteafortheirchildren,orabossmayev