Choosetherightsentencestocompletethearticle.A_________1_____________Whenyougotorestaurantsindifferentpartsoftheworld,it'simportanttoknowtherightandwrongthingstodo.Forexample,inChinait'sOKtomakealotofnoiseinarestaurant.Infact,ifarestaurantisveryquietandnotlively,youmaythinkthere'ssomethingwrongwithit._______2________.Ifatableistooloud,otherpeoplewhoareeatingtheremightevencomplaintotheowneroftherestaurant.___________3___________.InChinaonepersonusuallypaysforeveryone.InWesterncountries,iffriendseattogether,theyusuallysharethecost.Thisiscalled"goDutch".Also,whenWesternerspaythebill,theyusuallyleavesomemoneyforthewaiter.Thisiscalled"leavingatip".___________4__________.IntheUS,it'scommontoleavetipsof10%,15%,or20%ofthebill,whichisdecidedbyhowgoodtheserviceis.Goodwaiterscanmakealotofmoney!_________5__________,butyoucanfindthesamekindsoffoodinmanycountries.ChineseandItalianfood,forexample,arepopularallovertheworld.A.Leavingatipisthoughttobepolite.B.Payingthebillisalsodifferentfromcountrytocountry.C.However,inmanywesterncountries,restaurantsarequietplaces.D.Aroundtheworld,peoplehavedifferentideasaboutwhatgoodmannersare.E.Thewaypeopleeatfoodisdifferentintheworld.F.Somepeoplefeelthatleavingtipsiswrong.BComputersaregoodtools(工具.TheInternetisalsogood.Butsomepeoplespendtoomuchtimeonline.Theycan’tstop._________6_________TheycallthissicknessInternetAddictionDisorder(互联网成瘾症）（IAD).____________7____________Theyspendhourschattingtotheirfriendsorplayingonlinegames.ManypeoplewithIADspendmoretimeontheInternetthanwithfamilyorfriends.SomepeoplewithIADevenquit(辞掉)theirjobs!DoyouhaveIAD?Thinkaboutthesequestions：_________8_________Isitalotoralittle?Whenyouarenotonline，areyouthinkingaboutplayingacomputergameorcheckingyourmessages?Whenyouareonline，doyouforgetthetime?Doyougetangrywhenyoucan’tplayagame?___________9_________Dr.IvanGoldbergandDr.KimberlyS.Younghavesomeideas.First，askyourself“WhyamIonlinealot?”Thentrytotakeabreak.Forexample，usethecomputerorplaygamestwiceaweek，noteveryday.__________10____________A.IfyouhaveIAD,whatcanyoudo?B.PeoplewithIADareonlinealot.C.Howmanyhoursadayareyouonline?D.Thesicknesswillcostalotofmoney.E.Inthisway,youcanhaveagoodsociallifewithotherfriends.F.Doctorssaythisisanewsickness.CWhohasn’tenjoyedeatingpeanuts?Didyouknowthatalthoughpeanutslooklikenuts(坚果)andtastelikenuts,theyaren’tnutsatall.__________1_________.Itgrowsinmorecountriesthanmostother“nuts”.ThepeanutisanativeSouthAmericanplant.____________2________.TheythinkthatforseveralthousandyearstheearlypeoplesofSouthAmericanmadeitapartoftheirdiet.Thesepeopleswerenomads(游牧民)whomovedonwhenanaturalfoodcouldnolongerbefoundinonearea.Alongthewaytheyprobablyletfallsomepeanuts,whichgotintothegroundandgrew._______3_______.TheIncas,fromabout1100to1532,thoughthighlyofpeanuts.AlthoughpeanutswerefoundnativeinSouthAmerica,theyarenowgrowninalmosteverycountrythathaswarmweather.________4_______.China’sproductionisnext,followedbytheUnitedStates.Peanutsarehighinprotein(蛋白质).Americansuseaboutseven-tenthsoftheirproteinintheformofmeat.InIndia,wherethepoorcan’tpayformeatormilk,peanutmealandpeanutmilkhavebeenproduced.______5_______.Newproductsarecontinuallybeingmadefrompeanuts,amongthempeanutcheeseandapowderthatbecomespeanutbutterwhenwaterisadded.A.ScientistsbelievethatitgrewwildinBrazillongago.B.Indiaproducesthemostpeanuts.C.Inchina,peoplelikeeatingpeanutswhiletheyaredrinking.D.Thepeanutgrowsflowersaboveground,butits“fruit”growsunderground.E.Thesehavebeenagreathelptothepoor.F.ThisisbelievedtobethewaytheplantreachedtheplacewheretheIncas(印加人)lived.DWhatwouldthefuturelifebelike?______1______.MaybeonedaywecanworkinBeijing，sleepinChengduandvisitthemoonforaholiday．________2_______.Possibly，peoplewillfindwaystousecleanerthings，suchasseawater，tomakeenergywithoutpollutingtheearth．_______3_______.Putacakeonthemachineanditmakesanewone．Ifthemachineislikeafax—machine(传真机)，wecansendfoodandpresentstoourfriendseasily．Wewillhavecleverrobotsthatworkforus，andtherobotscanbringususefulthingsandtakeawayourrubbish．Nowwehavetopressakeyortypeawordtomakeamachinework．Butinthefuture，ifwethinkofsomething，themachinecanmakeitforus．__________4_________.Wewillbeabletogointocomputergamesandfilms.________5_________．Wewillbeabletomakeourhomeslikeforestsorsunnybeachesoranythingwewant．Perhaps，onedaywewillbeabletocollectourdreamsandputthemonDVDs．A.Themachinecanunderstandourideas．B.Everythingwillfeelreal.C.Wewillhavenewenergy(能源)thatdoesn’tmakepollution．D.Wewillbeinaworldfulloftechnology.E.Wewillhavemachinesthatcancopyeverythinginthefuture．F.Ithinkwewillbeabletotravelfasterandsaferaroundtheworldandintospace．
