英语翻译

E

Anewstudyhasfoundnoevidencethatsunscreen,commonlyusedtoreducetheriskofskincancer,actuallyincreasetherisk.

ResearchersfromtheUniversityofIowabasedtheirfindingsonareviewof18earlierstudiesthatlookedattheassociationbetweensunscreenuseandmelanoma(黑素瘤).Theysaidthattheyfoundflawsinstudiesthathadreportedassociationsbetweensunscreenuseandhigherriskofmelanoma

Mosthealthexpertsbelievethatbyprotectingtheskinfromtheharmfuleffectsofthesun,sunscreenhelpspreventskincancer,whichisincreasinginincidence(发生率)fasterthananyothercancerintheUnitedStates.

Butquestionshasbeenraisedaboutsunscreenandwhetheritmayhasoppositeeffect,perhapsbyallowingpeopletoremainexposedtothesunlongerwithoutburning.

Theresearcherssaidthatamongtheproblemswithsomeearlierstudiesisthattheyoftenfailedtotakeintoaccountthatthosepeoplemostatriskforskincancer---peoplewithfairskinandfreckles(雀斑),forexample---aremorelikelytousesunscreen.Asaresult,itmayappearthatsunscreenusersgetcancermoreoften.

Thestudies,whichgenerallyreliedonvolunteerstorecalltheirsunscreenuse,werealsounabletoprovehowwelltheproductshadbeenapplied,saidthenewstudy.

72.Theunderlinedword“flaws”inthe2ndparagraphmostprobablymeans______.

A.evidenceB.factsC.faultsD.failures

73.Peoplewithfairskinandfreckles.

A.seldomusesunscreenB.aremoreindangerofskincancer

C.canbefreefromtheharmofthesunD.oftenexposethemselvestothesun

74.Wecanlearnfromthepassagethat______.

A.sunscreenusersgetskincancermoreoften

B.thevolunteershaveprovedtheeffectofsunscreen

C.thenewstudywasbasedontheexperiencesofvolunteers

D.thenumberofskincancerpatientsisincreasinginAmerica

75.Whichofthefollowingcanbethetitleforthispassage?

A.SunscreentoPreventSkinCancerB.SunscreentoIncreaseSkinCancer

C.SkinCancerCausedbySunscreenD.SkinCancerCausedbyFreckles

解析：

72.C词义猜测题.从第一段Anewstudyhasfoundnoevidencethatsu