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短文填空专项练习交换空间Itbeganwithoneredpaperclipande_1__withahouse.KyleMacdonald,a26-year-oldCanadian,gotathree-bedroomhouset__2__14trades(交换)thatstartedwithasingleredpaperclip.EncouragedbyKyle’ssuccessfulexperience,nowmoreandmoreyoungpeoplearoundtheworldarestartingtheiro__3__tradingactivities.Theysetupwebsiteswherepeoplecantradethingstheydonotusuallyusewithotherpeople.AwebsitecalledPeerflixallowspeopletotradetheirusedDVDs.Thesetradersusuallyp__4___face-to-facetrading，whichm_5____theydon’thavetoworryaboutwhoisgoingtopayforthedelivery(递送).Lastyear,ayounggirlinBeijingdecidedtof_6____theexampleofKyle.Shestartedwithapaperclipandh_7___togetahouseintheend.Afterseveraltradesshenowhasapianowhichisw_8____morethan10,000yuan.Butshemaystillhavealongwaytogo.Youmaybepuzzledaboutwhypeoplearedoingthis.Infact,everyoneinthetradeactivitiesgetsthingsthatareu__9__tothem.JustasKylesaid,“What’smoreimportanttoamand_10____ofthirstinthedesert----onemilliondollarsoraglassofwater?”Kyle’swordsprobablyshowwhythesetradesarepopularamongyoungpeople.保护健康的三个建议Doyouwanttobemuchh_1____?Thengothroughthepassage,andyoumayfinditiseasytokeepfit.Eatallkindsoffood,e__2____fruitsandvegetables.Youmayhaveafavouritekindoffood,butthebestc__3___istoeatasmanykindsaspossible.Ifyoueatdifferentfoods,youaremorelikelytogetthenutrients(养分)youbodyneeds.Tastenewfoodthatyounevert__4___before.Somefoods,suchasgreenvegetables,areveryimportant.Havefiveservings(份)offruitsandthreevegetables.Drinkwaterandmilkoften.Whenyouarereallyt__5___,coldwateristheNo.1choice.Kidaneedscalciumtogrowstrong,andmilkisgreatsourceofthismineral.Howmuchdochildrenneed?Aboutthreegalssesofmilkeveryday.Limitscreentime.What’sscreentime?Itisthetimeforw____6_TV,DVDs,andvideos,p__7___computergamesandusingthecomputer.Ifyouspendmuchtimeonthesea_8_____,youmayhavelesstimel_9____totakee___10___,suchasplayingbasketball,cycling,andswimming.保护好你的牙齿Whenyoulaugh,youwillopenyourmouthandshowyourteeth.Thehealthierthoseteethare,theh__1____youlook.Whyisthat?It’sbecauseyourteethareimpor