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1、兰州一中2017-2018-2学期高二年级期末英语试卷说明：本试卷分第I卷（选择题）和第II卷（非选择题）两部分。满分120分，考试时间100分钟。答案写在答题卡上，交卷时只交答题卡。第一部分：阅读理解（共两节,满分30分）第一节（共10小题，每小题2分，满分20分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。AWe’reanation—aglobe,infact—obsessedwithourhair.Analystsestimatetheglobalhairproductindustrytobewo
2、rth€22.6billion,growingatarateofuptosevenpercentayear.Thereseemstobenolimitonwhatwe’llspendtoavoidabadhairday.Butfordevoteesofanundergroundbeautymovement,thesecretliesinthrowingawaytheshampoo,infactallthehairproducts,forgood.The“no-poo”method,whichinvolvesusingnatu
3、ralsubstitutesorjustwaterinplaceofshampooandconditioner,issupportedbyseveralcircles.Beautyinsiders,includingwritersforwomen’smagazinesandprofessionalhairdressers,speakhighlyofhowhairbeesthicker,fuller,softerandbrighter.Andenvironmentalistswhoaremindfulofmoneyfeelgr
4、eatjoyatthelackofchemicalsinandontheirbodies—nottomentiontheimpactontheirbudgets.Nowonedevoteeishopingtotakeitmainstream.LucyAitkenRead,whosebookHappyHair:Thedefinitiveguidetogivingupshampoowasreleasedlastweek,hasn’tusedshampoofortwoyearsandherglowingbrownhairisvis
5、iblyinperfectcondition.Forher,themotivationcameafterreadingastudythatclaimedwomenput515chemicalsontheirbodiesdaily.“Iinitiallythought‘Ha!Theydidn’tresearchme!’,”AitkenReadsays.“ThenIlookedatthebackofmyshampoobottleandrealizedtherewereloadsofchemicalponentsIdidn’tre
6、cognizeintheslightest.”Strangelyit’soilyhairthatcouldbenefitthemostfromgivingupshampoo.Thetheorybehindthe“no-poo”methodisthatshampooremovesthehairfromitsnaturaloils,whichcausesthescalp(头皮)togeneratemoreoilstoreplacethem.Thisresultsinoiloverload—oilyhair—whichwethen
7、attemptto“fix”withmoreshampoo.It’savicious(恶性的)circleandquiteabrilliantsuccessfortheshampooindustry,becausethemoreshampooyouuse,themoreyouneedtouseandthemorefrequentlyyouneedtouseit.Lefttoitsowndevicesorwashedwithnaturalsubstitutes,thescalpeventuallytheoreticallyre
8、turnstoitsnaturalbalance.Theresultshouldbehealthierhairthatisstronger,thickerandfullerasitislessdamagedthanshampooedhair.1.Whatcanweknowfromthefi
