阅读理解专项训练单元达标质量专项训练试卷.doc

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