Formanyofusaspirinoneofthemostcommonnonprescriptiondrugsisaconstantcompanion.Itisthemosteffectivedrugthatwehaveandifweeliminatedallbutthreedrugsaspirinwoulddefinitelybeoneofthethreedrugsweshouldkeep

　　Formanyofusaspirinoneofthemostcommonnonprescriptiondrugsisaconstantcompanion.Itisthemosteffectivedrugthatwehaveandifweeliminatedallbutthreedrugsaspirinwoulddefinitelybeoneofthethreedrugsweshouldkeep.Evenwithallthenewdrugsavailableitstillhasaplaceinmanyofourmedicinecabinetsasa“miracledrug”initsabilitytofightpainandinflammation(炎症)andevenmoreamazinginitsabilitytoreduceheartattackandstrokerisk.

　　Aspirinisthefirstmemberofaclassofsubstancescallednon-steroidalanti-inflammatorydrugs(NSAIDs非甾体抗炎药).Thesedrugsreducepainfeverandinflammationandareusedtotreatavarietyofconditions.Manybelievethataspirinhasmanybenefitsnotyetfullyunderstood.Mediareportsontheuseofaspirintopreventortreatdiseasessuchasheartattacksandcancerleavemanypeoplestrugglingtokeepallthefactsstraight.Otherswhocannottolerateaspirinmightfeelabitleftoutasnewusesandbenefitsofaspirincontinuetoappearinthenews.

　　Inallcasesmoreresearchesareneededtodeterminewhatbenefitsaspirinmayprovideandwhetherthesebenefitswouldoutweighthepotentialsideeffects.Aspirinforexampleisknowntocausegastrointestinal(胃肠的)bleedingwithheavyuseandthereisresearchthatindicatesanincreasedriskofbleeding-relatedstrokeinpeoplewhouseitregularly.Insomecasesthesereactionscanbekillers.Anotherpotentiallydeadlyproblemisaspirinpoisoningandmostpeopledon’tknowaboutit.

　　Beforeyoustarttakinganyoftheseover-the-counter(不需处方也可出售的)drugsonalong-termbasisit’sagoodideatodiscussitwithyourhealthcareprovider.

　　1.Fromthesecondparagraphweknow　.

　　A.Humanshavefullyunderstoodthebenefitsofaspirin.

　　B.Aspirinistheonlymemberofnon-steroidalanti-inflammatorydrugs.

　　C.Noteveryoneofuscantakeaspirin.

　　D.Aspirincanbeusedtostopbleeding.

　　2.What’sthethirdparagraphmainlyabout?

　　A.Manyresearchesaboutaspirin. B.Aspirin’ssideeffects.

　　C.Newusesofaspirin. D.Theunknownaspectsaboutaspirin.

　　3.Theunderlinedwordinthefirstparagraphmeans　.

　　A.kept　B.saved C.investigatedD.remo