are you carrying too much on your back at school- 阅读理解答案

《are you carrying too much on your back at school- 阅读理解答案》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Areyoucarryingtoomuchonyourbackatschool?阅读理解答案　　Areyoucarryingtoomuchonyourbackatschool?You’renotalone.BackexpertsintheUnitedStatesareworriedthatyoungstudentsarehavingbackandneckproblemsasaresultofcarryingtoomuchintheirbackpacks(schoolbags)　　“Ithurtsmy

2、backwhenIrun,”saidOberlinReyes,astudentinVirginia.“It’shardtogoupthestairswithmybackpack,becauseit’stooheavy,”　　Oberlinwasamongstudentswhosebackpackswereweighedforaweekinarecentstudy.　　Theyhadregularbackpackswithtwostraps(带子)tocarrythem,butanumberofstu

3、dentswithheavyloadshadswitchedtorollingbackpacks(whichhavewheelsandcanrollontheground).　　ShirleyPark,whosebackpackweighed10kilograms,saidshechangedtoarollingbackpackbecauseshewasstartingtohavebackpain.　　Howmuchistoomuch?Expertssaystudentsshouldcarrynom

4、orethan10to15percentoftheirownbodyweight.　　Afewstudentshadonesuggestiontolightentheload:lesshomework.　　(附)Doctor’ssuggestion:　　1Lightentheload.Cleanoutbinders(活页材料)andtakehomeonlythebooksyouneedthatnight.　　2Widestrapsarebetter.Theysendouttheweightovery

5、ourshouldersmoreevenly(均匀)。Andbesuretowearbothstrapsratherthanhangingthepackoveroneshoulder.　　3.Packsmart.Theheavierthingsshouldbepackedclosedtotheback.　　bothkneeswhenyoupichupthepack,anddon’tjustbendoveratthewaist.(腰)　　1.“_________”isthemainideaofthet

6、ext.　　ATheproblemofbackpacksisworthstudying.　　BTheproblemmadebyheavybackpacks　　CWhatisthebestbackpackforastudent.　　DHowtomakestudents’backpackslight.　　toOberlinReyesandShirleyPark,weknow________.　　Astudentshavetodotoomuchhomework　　Bstudentshavetocarrys

7、everalbackpacks　　Cbackpackswithoutwheelsarebadforstudents　　Dtoomuchhomeworkleavesstudentsnofreetime　　expression“switchedto”inthetextperhapsmeans________.　　AstartedtouseBturnedtoCcaughtupDusedfor　　tothepassage,it’sbetterforastudentof40kilogramstocarryab

8、ackpackof_____atmostbythewordsofexperts.　　A10kgB8kgC6kgD7kg　　5.Ifstudentsfollowthedoctor’ssuggestionsthey________.　　Amaylightentheirbackpacks　　Bcanlearnhowtohelpthemselves　　Cmayfeeltheirbackpacksarelighter　　Dwillknowhowtowearbackpacks