2019年高考英语考纲解读专题20任务型阅读（七选五）热点难点突破

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1、专题20任务型阅读（七选五）一、Adailymultivitaminmaygiveyourwell－beinganextrabenefit，butifyou’veeverswallowedoneandfeltsickrightafter，youknowit’shardlyapleasantexperience.__1.__◆You’retakingvitaminsonanemptystomach.Vitaminsthataremoreacidinnature，likevitaminC，maycausenausea(恶心)ifthey’reconsumedonanemptystomach.

2、VitaminsA，D，EandK，unlikesomeothers，maybebetterabsorbedwhennottakenwithfood.◆__2.__Vitaminsarelikemedicinesinthattheycanactoneachotherandothermedicinesyou’retaking.__3.__Someresearchsuggeststhatmultivitaminscouldcausesideeffectswhentakenatthesametimewithhighestrogen(雌激素)levels.◆There’salotofironin

3、yourpill.Multivitaminsthatcontainalotofironorironsupplementsthemselvescancausenausea.Thisisespeciallytrueifyou’retakingthemoutsideofameal.Ironisinterestinginthatit’sbestabsorbedonanemptystomach，butit’shardesttotakeonanemptystomachbecauseofthenausea.__4.__Itmightdecreasetheabsorptionalittlebitbuti

4、t’sbetterthannothing.◆Allergicreactionsideeffects.Sincemultivitaminscontainsomanyvitaminsandminerals，allergicreactionsarecertainlypossible.Mildallergicreactionscanincludeitchiness(痒)andafewhives(荨麻疹).__5.__Shouldyouexperiencemoreadvancedsignsofanallergicreaction，suchastroublebreathing，chestpain，w

5、idespreadhivesoraswollenfacialregion，visittheclosestemergencyroomimmediately.Thelableonyourvitaminsshouldprovidedirectionsfortakingthem.Checktheinformationbeforetakingthemtoseewhatelseyoushouldknow.A．You’retakingvitaminswithothermedicines.B．Belowareafewreasonswhymultivitaminsmaybemakingyouill.C．I

6、t’simportanttodiscusswithanexpertthetimingofthesevitamins.D．Thesestomachissuescanbeextremelydisturbing.E．It’sbettertotakeitwithfoodthantryingtakingitonanemptystomach.F．Ifyouexperiencethesesideeffects，stopuseandcontactyourdoctor.G．Pleasereviewthecombinationstomakesuretherearenoharmfulinteractions.

7、文章大意：本文主要讲述了服用多种维生素可能让人感到不适的几种原因。3.G　解析：本句出现在段落中间，起到承上启下的作用。上文讲的是，各种维生素之间以及维生素与其他药物之间会相互作用；下文讲的是，当雌激素水平高时服用多种维生素可能引起副作用，所以G项符合语境。G项的意思是“请检查一下混合物(多种维生素)，确保它们之间没有有害的相互作用”。4.E　解析：本句出现在段落中间，起到承上启下的作用。上文讲的是，多种维生素中的铁在空腹时服用吸收