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13.病毒的危害及其预防
一、阅读理解
1
Stomachfluisoneofthemostunpleasantofacommonillness.Itspreadseasily.That’sespeciallytrueifsomeoneinyourfamilyhasit.Aviruscancausestomachflu,butnotthesameonethatcausescommonflu.There’snomedicinetomakeitgoawayatonce.Buttherearesomethingsyoucandotostopcatchingit.
Youcanstopstomachflubywashingyourhandsoften.Usehotwaterandsoaptowashyourhands.Usingsoapisbetterthanusingnothing,butitdoesn’tworkverywellagainststomachflu.That’sbecausesoapcan’tkillviruscompletely.
Thevirusthatcausesstomachfluishardtokill.Normalcleaners(清洁剂)won’talwaysgetridofit.Somixbleach(漂白剂)withwater,andusethattocleanyourhouse.Ifsomeoneinyourfamilyissick,remembertocleanthingsthatpersonhastouched.
Dishwashersarebetteratkillingvirusesthanwashingthedishesbyhand.That’sbecausetheykeepthedisheshotterorlonger.Manyvirusescanliveinyourwashingmachine.Sowashclotheswithhotwaterandusebleach,ifpossible.Youmayevenrunthewashingmachinewithnoclothes,justhotwaterandbleach.Thiswillkillanyvirusinit.
Ifyoudogetthestomachflu,drinkasmuchwateraspossible.Ifyou’refeelingbetter,don’treturntoworkorschoolrightaway.Youcanstillspreadthediseaseforafewdaysafteryoufeelbetter.Ifyouhaveafever,waitatleast24hoursafteritendsbeforegoingout.Thiswillhelpstopotherpeoplefromgettingsick.
Stomachfluisawful,butbyfollowingthesetipsabove,youcankeepawayfromit.
1.Fromparagraph1,weknowthat________.
A.stomachfluisapleasantcommonflu.
B.medicinecanmakestomachflugoawayatonce.
C.ifsomeonearoundyoucatchesstomachflu,youmaycatchit,too.
D.thesameviruscancausestomachfluandcommonflu.
2.Whatdoestheunderlinephrase“getridof”probablymeaninparagraph3?
A.逃离 B.除去 C.避免 D.变糟
3.Whichofthefollowingisthebestto
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