求教英语答案ThereisanEnglishsaying,“Laughteristhebestmedicine.”Untilrecently,fewpeopletookthesayingseriously.Now,however,doctorshavebeguntolookintolaughterandtheeffectsithasonthehumanbody.Theyhavefoundthatl
求教英语答案
ThereisanEnglishsaying,“Laughteristhebestmedicine.”Untilrecently,fewpeopletookthesayingseriously.Now,however,doctorshavebeguntolookintolaughterandtheeffectsithasonthehumanbody.Theyhavefoundthatlaughterreallycanimprovepeople’shealth.
Testswerecarriedouttostudytheeffectsoflaughteronthebody.Peoplewatchedfunnyfilmswhiledoctorscheckedtheirheart,bloodpressure,breathingandmuscles.Itwasfoundthatlaughterhassimilareffectstophysicalexercise.Itincreasesbloodpressure,theheartbeatingandbreathing;italsoworksseveralgroupsofmusclesintheface,thestomach,andeventhefeet.Iflaughterexercisesthebody,itmustbebeneficial.
Othertestshaveshownthatlaughterappearstobeabletoreducetheeffectofpainonthebody.Inoneexperimentdoctorsproducedpainingroupsofstudentswholistenedtodifferentradioprograms.Thegroupthattoleratedthepainforthelongesttimewasthegroupwhichlistenedtoafunnyprogram.Thereasonwhylaughtercanreducepainseemstobethatithelpstoproduceakindofchemicalsinthebrainwhichdiminishbothstressandpain.
Asaresultofthesediscoveries,somedoctorsintheUnitedStatesnowholdlaughterclinics,inwhichtheyhelptoimprovetheirpatients’conditionbyencouragingthemtolaugh.Theyhavefoundthateveniftheirpatientsdonotreallyfeellikelaughing,makingthemsmileisenoughtoproducebeneficialeffectssimilartothosecausedbylaughter.
1.Themainideaofthepassageis_____.
A.laughterandphysicalexercisehavesimilareffectsonthehumanbody
B.smilecanproducethesameeffectsaslaughter
C.paincanbereducedbylaughter
D.laughteristhebestmedicine
2.Thestudentswho_____toleratedthepainforthelongesttime.
A.listenedtodifferentradioprograms
B.couldproduceakindofchemicals
C.don’thavestressorpain
D.listenedtoafunnyprogram
3.Theunderlinedword“diminish”issimilarto_____.
A.testB.stopC.reduceD.increase
4.Doctorsholdlaughterclinics_____.
A.togivebetterconditiontotheirpatients
B.inordertoimprovepatients'
