Lookatyourclassmatesaroundyou.Youallwearthesameuniformandsimilarsneakers.Doyouwanttostandoutamongthem?Afashionableandusefulbackpackcanbeagreatidea!
Backpacksarelightweightandeasytocarry.
Theyaregreattoolsforstudents.Theyhelpyoutostayorganized.Youcankeepschoolthingsbooksandpersonalitemslikecellphonesandkeysneatly(整洁地).Withauniquebackpackyoucanalsostandoutamongyourclassmates.
Touristsalsolovebackpacks.Withconvenientbackpacksbackpackerscanmovefreelyfromoneplacetoanother.Meanwhiletheycanalsofreetheirhandstodootherthingsliketakingphotos.
Butintheverybeginningbackpackswerenotwhatweseetoday.
ItisthoughtthatUShikerDickKeltyinventedthefirstmodernbackpackin1951.Heusednylon(尼龙)andaluminumtubing(铝制管型材料)tomakebackpackslightweight.Thenheaddedshoulderstraps(带子)andwaiststrapstotransfer(转移)muchoftheweighttothehips(臀部).
Todaybackpackscomeindifferentstyles.
Rolling(滚动的)backpackshavewheelsonthebottom.Userscanpullthemalongthegroundiftheyaretooheavytocarryontheirshoulders.
Andwithmorepeoplebringinglaptopstoschoolandworkbackpacksalsoofferspaceforlightweightelectronics.
1.Backpacksareusefulfortouristsbecause_____.
A.theyhavewheelsonthebottom
B.itfreestourists’handstodootherthings
C.touristscanfeelfashionable
D.theymaketouristsfeelspecial
2.Theunderlinedword“unique”inthepassageprobablymeans“”.
A.普通的B.独特的
C.有用的D.便利的
3.Thefirstmodernbackpackwasthoughttobeinventedby_____.
A.afamousinventorB.anEnglishman
C.ahikerD.astudent
4.Inordertomakethebackpacklight_____isused.
A.cottonB.nylon
C.clothD.paper
5.Thepassagemainlytalksabout_____.
A.afamousTVdrama
B.differentfunctions(功能)ofbackpacks
C.thehistoryofbackpacks
D.whowearsbackpacks
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