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阅读理解专项训练单元达标质量专项训练试卷 一、高考英语阅读理解专项训练 1.阅读理解 Imagineyourbodyislikethehouseyoulivein.Everyday,yourfamilycreatesrubbish.Therubbishbuildsupuntilitisputoutfortheweeklygarbagecollection. Now,sayyouputthreebagsofgarbageout,butbecauseoneofthecollectorswasawaysick,onlytwobagsarecollected.Youtaketheleftoverbaginsidetobeputoutagainnextweek.Thefollowingweekyouputoutanotherthreebags,plustheleftoverbagfromlastweek.Butagain,onlytwobagsarecollected.Imaginethiscycleisrepeatedoverthefollowingweeks. Thisisasimpledescriptionofwhathappenstoyourbodywhenyourkidneys(肾)don'tworkefficiently.Yourbodyisnotthoroughlyemptiedofwasteproducts.Otherareasofthebodysuchasbloodpressureandredbloodcellproductionareaffectedandtheinsidiousprocessthatmayleadtokidneyfailurebegins. It'snotuncommonforpeopletoloseupto90percentoftheirkidneyfunctionbeforedevelopinganysymptoms.Theremaybenowarningsigns.Thismakesearlydetection(诊察)difficult. Kidney'smainjobistoremovetoxins(毒素)andunwantedwaterfromourblood.Everydayourkidneyscleananaverageof200litresofblood.Kidneyfailuremaybeagradualandsilentprocess,goingunnoticedbecausethereisnoapparentpain. Researchshowsthatmorethan25percentofpatientsfoundtorequiredialysis(透析)donotseeakidneyspecialistuntillessthan90daysbeforedialysisstarts.Someriskfactorsforkidneydiseasesuchasageandgeneticmake-upareoutofourcontrol;however,somechangesinlifestylemayhelppreventkidneydamage.Twomajorriskfactorsforkidneydisease,diabetesandhighbloodpressure,havebeenontheriseoverthelastfewdecades.Bothconditionsarechieflyaffectedbybeingoverweightandnotgettingenoughexercise,whicharethepotentialfactorsforthedisease. (1)Theauthorgivestheexampleofthehouseweliveintoindicatethat________. A.it'ssafeandharmlessforourbodytokeepsomewaste B.itdoesn'tmattermuchifthewasteinourbodyisnotemptiedintime C.it'simportantforourbodytoemptythewasteintimeeveryday D.ourbodywillnotproduceanywasteifourkidneysworkefficiently (2)Theunderlinedword"insidious"(inParagraph3)means________. A.gradualandunnoticedB.apparentandfast C.smoothandsafeD