C
Foodsometimesgetspoisonedwithharmfulthings.Apersonwhoeatssuchfoodcangetanillnesscalledfoodpoisoning.Foodpoisoningisusuallynotserious,butsometypesaredeadly.Thesymptomsoffoodpoisoningusuallybeginwithinhoursofeatingthepoisonedfood.Feverisoneofthemostcommonsymptoms.
Certainmicroorganisms（微生物）causemosttypesoffoodpoisoning.Bacteriaandothermicroorganismscanpoisoneggs,meat,vegetable s,andmanyotherfoods.Afterenteringthebody,thesetinylivingthingsrelease（释放）poisonsthatmakepeoplesick.
Somechemicalscanalsocausefoodpoisoning.Theyareoftenaddedtofoodwhileitisbeinggrown,processed,orprepared.Forexample,manyfarmersspraychemicalsoncropstokillweedsandinsects.Somepeoplemayhaveabadreactiontothosechemicalswhentheyeatthecrops.
Someplantsandanimalscontainnaturalpoisonsthatareharmfultopeople.Theseincludecertainkindsofseafood,grains,nuts,seeds,beans,andmushrooms.
Whenpeoplehandlefoodproperly,theriskoffoodpoisoningisverysmall.Microorganismsmultiplyrapidlyindirtyplacesandinwarmtemperatures.Thismeansthatpeopleshouldnevertouchfoodwithdirtyhandsorputfoodonunwashedsurfaces.Foodshouldbekeptinarefrigeratortostopmicroorganismsfromgrowing.Meatneedstobecookedthoroughlytokillanydangerousmicroorganisms.Peopleshouldalsowashfoodcoveredwithchemicalsbeforeeatingit.Finally,peopleshouldnoteatwildmushroomsorotherfoodsthatgrowinthewild.Someofthesefoodsmaycontainnaturalmaterialsthatarepoisonoustohumans.Inaddition,sometypesoffishcanbepoisonous.
Mostpeoplerecoverfromfoodpoisoningafterafewdaysofrestinganddrinkingextr awater.Ifpeopleeatnaturalpoisons,theymustgotothehospitalrightawaytohavetheirstomachsemptied.
51.WhichofthefollowingstatementsisNOTtr ue?
A.Foodwhenpoisonedcanmakepeoplesick.
B.Foodpoisoningmeansdeath.
C.Foodpoisoningcomesinvarieties.
D.Foodpoisoningcanbeserious.
正确答案：B
