阳光英语周刊八上第四期答案2022-2023.pdf

阳光英语周刊八上第四期答案2022-2023

Thecommoncoldistheworld'smostwidespreadillness，

whichisprobablywhytherearemoremythsaboutitthananyoftheotherilln

esses．

Themostwidespreadmistakeofallisthatcoldsarecausedbycold．Theyare

not．Theyarecausedbyvirusespassingonfrompersontoperson．Youcatch

acoldbycomingintocontact，directlyorindirectly，

withsomeonewhoalreadyhasone．Ifcoldcausescolds，

itwouldbereasonabletoexpecttheEskimostosufferfromthemforever．But

theydonot．AndindistantandisolatedArcticregionsexplorershaverepose

dbeingfreefromcoldsuntilcomingintocontactagainwithinfected（感染的）

peoplefromtheoutsideworldbywayofpackagesandmaildroppedfromair

planes．

AttheCommonColdResearchUnitinEngland，

volunteerstookpartinexperimentsinwhichtheygavethemselvestothedisc

omfortsofbeingcoldandwetforlongperiodsoftime．Aftertakinghotbaths，

theyputonbathingsuits，allowedthemselvestobedoused（浸入）

withcoldwater，andthenstoodaboutdrippingwetindrafty（通风的）

room．Someworewetsocksalldaywhileothersexercisedintherainuntilclo

setocompletetiredness．Notoneofthevolunteerscamedownwithacoldu

nlessacoldviruswasactuallydroppedinhisnose．

If，then，coldandwethavenothingtodowithcatchingcolds，
whyaretheymorefrequentinthewinter？

Despitethemostpains--takingresearch，

noonehasyetfoundtheanswer．Oneexplanationofferedbyscientistsisthat

peoplearemorelikelytostaytogetherindoorsincoldweatherthanatothert

imes，andthismakesiteasierforcoldvirusestobepassedon．

Noonehasyetfoundacureforthecold．Therearedrugsandpainsuppresso

rs（止痛片）suchasaspirin，butalltheydoistorelievethesymptoms．

29．ThefactthattheEskimosdon'tsuffercoldsshowsthatD．

A．coldsarereallyfullofmyths．

B．virusesarethefactorscausingcolds．

C．coldsaremoreseriousthanotherillnesses．

D．theideathatcoldleadstocoldsdoesn'tstandup．

30．TheexperimentsmentionedinParagraph3madeitclearthatA．

A．itwasvirusesnotwetandcoldthatmadepeoplehavecolds．

B．takinghotbathsmadethevolunteerseasytobetired．

C．beingdousedwithcoldwaterdidharmtoone'sbody．

D．peoplewhowouldliketoexerciseintheraingotcoldsmor