BeforeIstudiedpsychology（心理学），Iusedtothinkthatpeoplewouldlaughwhenfunnythingshappened．WhileIwasrightaboutthat，Idiscoveredtherearelotsofotherpsychologicalfactorsthatmakepeoplelaughotherthanthefunnypartofajoke．Whensomeonelaughsatajoke，therewillusuallybemorethanonereasonthatmakeshimlaugh-andthemorereasonsthereare，themorepowerfulthejokewillbe．

Iwasattendingastand-upcomedyshowinEgypt，andwhenthemanstartedtomakefunofpedestrians（personwalkinginthestreet）crossingstreets，everyonelaughedtheirheartsout．Themainreasonthosepeoplestronglylaughedwasthatalmostallofthemfeltangrytowardspedestrianswhocrossedstreetscarelessly．Thejokewasn'tonlyfunny，italsomadetheaudiencefeelthattheywererightaboutbeingangryatthosepedestrians．Thatis，peoplewerelaughingbothbecauseofthefunnyjokeandbecauseofthehappinessexperiencedasaresultofthepsychologicalsupporttheygot．

Thebetterajokemakesapersonfeel，andthemoreitincludesotherpsychologicalfactors，themorethepersonwilllikeit．Forexample，ifyouenvyoneofyourfriends，andsomeonetellsajokethatisfunnyand，atthesametime，makes yourfriendseemstupid，thenyouwillprobablylaughatitlouderthanifyouweren'tjealousofhim．

Inshort，wedon'tlaughonlywhenwehearsomethingfunny；wealsolaughwhenweexperiencesomekindofhappinessthatresultsfromtheotherpsychologicalfactorsinvolvedinthejoke．Istronglydiscouragemakingfunofanyoneorbelittling someonetomakesomeoneelselaugh．AllIwanttoexplainisthatifyourjokesupportsaperson'semotions，hewillcertainlylikeitalot．

25．Whatdidtheauthorfindoutafterstudyingpsychology？___

A．Onlygoodjokesmakepeoplelaugh

B．Manyfactorsleadtopeoplelaughing．

C．Funnythingscanmakepeoplelaugh

D．Laughtercanmakepeoplehealthy．

26．Whydidtheaudiencelaughloudatthepedestrians？___

A．Theiremotionwasapprovedofbytheshow．

B．Thepedestriansbehavedinafunnyway．

C．Theycouldfeelthepedestrians'happiness．

D．Theyplayedatrickonthepedestrians．

27．Whatdoestheunderlinedword"belittlin