II.GrammarandVocabulary
SectionA
Directions:Afterreadingthepassagebelow,fillintheblankstomakethepassagescoherentandgrammaticallycorrect.Fortheblankswithagivenword,fillineachblankwiththeproperformofthegivenword;fortheotherblanks,useonewordthatbestfitseachblank.
Shampoo-dowereallyneedtouseit?
Buyingshampoocanbeexhausting--therearesomanybrandstochoosefrom,acrossahugerangeofprices.Somebrandspromisetorepairandnourishourhair,(21)_________others-promisetostrengthenandaddvolume.Butisanyoftheseclaimstrue?Doweevenneedshampooatall?
Sincelongbeforeshampoo(22)_________(invent)--somesayinIndia--ourbodieshavebeenproducingsebum,anoil-likesubstance（物质）.Sebumstopsourskin(23)_________(get)dry,managesthehealthofourscalpandmakesourhairshiny.Butitalsocollectsdirt,and,ifleftuntouchedfortoolong,sebumcancauseourhairtobecomegreasy（油腻的）.Therearenodisadvantagesfromahealthperspectivetolettingourhairbegreasy,saysEleanoreRichardson,TrichologistatFulhamScalpandHairClinic,butmanypeoplechoosetowashtheirhair(24)_________aregularbasisforaesthetic（审美的）reasons.
Andsowereachfortheshampoobottle.Shampooscontainagroupofchemicalscalledsurfactants.Theygrabthedirtandgreasefromthesurfaceofourhair,meaningwhenwerinseawaytheshampoo,wealsowashawaythegreaseanddirt.But,(25)_________LauraWaters,aprofessorofPharmaceuticalAnalysis,pointsout,somesurfactantsworktoowellandtakethenaturaloilsoutofthehair,aswell.Thoughmoreexpensiveshampoosmaycontain(26)_________(harsh)surfactants,thetypeofshampoodoesntreallymatter.Itsnoourhairverybrieflyandgetswashedaway.Itstheconditionersandstylingproductsthatweuseaftertheshampoothatmakeabiggerdifferencetothetextureandfeelofourhair.
Naturally,themoreweputont