Modern-technology-and-our-life

ModerntechnologyandourlifeModerntechnologyischangingourlives.Moreandmorepeoplewanttoenjoyanewkindoflifewhichisfilledwithmoderntechnology.Butisitreallygood?Firstly,moderntechnologyisusefulandconvenient,so,someofusaregivingupouroldlifestyle.Forthisreason,someofourculturewillsoonbegone,anditwillnevercomebackagain.Weshouldbecarefulaboutthis:someyoungpeoplehaveforgottenhowtomakeafireorwashclothes.Withoutthesebasiclivingskills,howcanamanlivealoneifallthemachinesbreakdown?Secondly,moderntechnologymakespeoplelazy.Canyouimaginewhatwewilldowhenallthehouseworkisdonebymachines?Accordingtoarecentreport,manypeopleliketostayonthecouchandwatchTV.Inthisway,moreandmore“couchpotatoes”arebeingborn.Seewhattechnologydoes.Ifwearecontrolledbymachines,arewereallyhuman?HowtosaveelectricityIt’shardtoimaginelifewithoutelectricity.Inourhomes,wedependonittopowerourlights,appliances,andelectronics.Manyofusalsouseelectricitytoprovideourhomeswithhotwater,heat,andairconditioning.Therearemanywaystouselesselectricityrightnow!Fightthelight!Don’tleavelightsonwhennooneisintheroom.Ifyouaregoingtobeoutoftheroomformorethanfiveminutes,turnoffthelight.Ifyouknowofalightthateveryoneforgetstoturnoff,makeastickerorasignthatsays“LightsOut!”or“Don’tForget!”tohangnexttotheswitch.Don’tleavethingsturnedon!TurnofftheTVwhennooneiswatchingit.Thesamegoesforcomputersandradios-ifnooneisusingthem,turnthemoff.InthebedroomTurnoffyourelectricblanketwhenyouaren’tinbed.InthebathroomWastingwaterwasteselectricity.Why?Becausethebiggestuseofelectricityinmostcitiesissupplyingwaterandcleaningitupafterit’sbeenused!Anothersimplewaytosavewaterandenergyistotakeshortershowers.You’lluselesshotwater-andwaterheatersaccountfornearly1/4ofyourhome’senergyuse.WechatInourdailylives,Wechatisreallyhotnow.Manypeopleexpressthemselves,exchangeideasanddeliverinformationbyWechat.ThereareanumberofreasonsforWechattobepopular.Tobeginwith,Wechatisacheapwayofcommunication,whichcutsdownagreatdealofthecostmadebyphonecalls.Next,Wechatistothetasteofthemostpeople.It’sattractiveandlotsoffunctionsarelovedwidely.What’smore,conveniencealsoleadstoitspopularity.Itisavailablenomatterwhereweare.However,ithasproblems,too.Firstofall,ourIDsmightberevealedwhenweuseWechatandwecouldbeindanger.Secondly,wemayspendmoretimeonWechatinsteadofwithourfamily.Asaresult,relationshipcouldbreakdown.Thelastproblemisthatourattentionmightbedrawntoomuchandsometimeswemayfinditdifficulttofocusonstudy.ThereisnodoubtthatWechatwillbeimprovedastimegoesby.Solet’slookforwardtothebetterWechatandhavemorefunwithit.HowtofacedifficultiesWeoftenfacedifficulties.It’spartoflife,andatthedifficulttimes,juststoppingisnotright,weneedtoaskforhelp.WhenIhaveaproblem,Inevergotoasinglepersonforhelp.Infact,I’mluckyenoughtohaveastrongsupportgroup.First,Ihaveagoodrelationshipwithmyparents.WhenI’mfacedwithdifficulties,myparentsarethefirstpeopleIturnto.Manyofusteenagersdon’tthinkourparentscanunderstandus.However,theyhavegonethroughsituationsevenharderthanthosewegothroughtoday.Sowhynotlistentothemandlearnfromthem?Therearemanysituationswhenwedon’twanttoaskourparentsforadvice.Forthese,wecanturntoourfriends.It’sgreattobeabletoreceivetheirideas.Havingproblemsisnothingtobeafraidof.Whenyouneedto,gotoaskforhelp,becausethehelpofanothercanoftengetyouthroughyoudarkesttime!AnOldTreeTellsYou...Dearhumanbeings,Ihesitatedalotbeforewritingthisletter.AllIwanttodoistoaskyoutohavealookatyourlife.ButI’mnotsurewhetherornotyou’llpayattentiontome.I’maprettyoldtree:I’m80yearsold.SoI’veseenmuchoftheworld.We’velivedontheEarthforthousandsofyears.Eachdaywereleaseoxygenandremoveharmfulgassothatyouhavepureair;wecooltheairsothatyoudon’thavetorunyourairconditionersallthetime;wehelppreventtheEarth’ssoilfrombeingwashedaway;andaboveall,wegiveallkindsoffruits,nuts,beansaswellaswoodtoyou.Butweareingreatdangernowbecauseofyou.Youare,infact,destroyingusataterriblespeed.Youareburningandcuttingdownmillionsofuseachyear.Foreverytreebeingplantedtoday,30treesarebeingcutdown.Whatwouldyoudoifallofusdied?Perhapsyouwoulddie,too.Withoutus,youwouldn’tgettheingredientsforsomeofyourimportantmedicines,youwouldn’thaveenoughmaterialsforbuildings,furniture,paperproductsandyourcitieswouldlookugly.Moreover,airpollutionandnoisepollutionwouldbecomemoreandmoreserious,andyourlifewouldturnnasty...Well,thelistcouldgoonforever,butIthinkIshouldstop.Thebestthingforyoutodonowistostopyourbadpractice.Pleasestopdestroyingusandstartprotectingtheenvironment,becausewearethebestfightersagainstpollutionandweareyourbestfriends!Iwishallthebestforyou,andgoodluck!Yourfriend,AnoldtreeElectricityElectricityisaprettypowerfulforceanditisusedinmanypartsofpeople’sdailylife.TypesofElectricityTherearetwomaintypesofelectricity:directcurrentandalternatingcurrent.Directcurrentelectricityisfoundinthethingsthatarepoweredbybatteries.Thisincludesyourflashlightsandtoysthathavebatteriesinthem.Alternatingcurrentelectricityisthekindofelectricitythatiscommonlyfoundthroughoutyourhomeorinbusiness.ElectricityinNatureWhenyouseeflashesoflightninginthesky,youareseeingexam