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  【TwoNewcastlescientistsaresettingthemselvestoopenoureyestothemedicaltruthbyclaimingthatnaturalsunlightmayhelppreventskincancer.Dr.RonLaura,professorofhealtheducationatNewcastleUniversity,andseniorchemistMr.Jo】

  TwoNewcastlescientistsaresettingthemselvestoopenoureyestothemedicaltruthbyclaimingthatnaturalsunlightmayhelppreventskincancer.

  Dr.RonLaura,professorofhealtheducationatNewcastleUniversity,andseniorchemistMr.JohnAshtonsaidtheirresearchpointstoacomplete (51)___oftheacceptedscientifictheory.Theysaidthatsunscreencreamsmayhelpcauseskincancer,theartificialindoorlightcouldbe (52)___andthatarangeofdrugsincommonusecouldalso (53)___melanoma--atypeofcancerthatappearsasadarkspotontheskin.

  Theresearchislikelytobeunwelcomeinsometraditionalmedicalresearchcircles.Itisbasedonanew (54)___thatourbodiesareprotectedfromskincancerbytheregulationofagroupofcomplexvitamins (VitaminD) andimmuneprocess.

  Thesunscreens,artificiallightanddrugscouldallunfavorablyaffecttheproductionofthesevitaminsandincreasetheskin's (55)___tothesun.ButDr.Laurasaidnaturalsunlightpassingthroughtheeyeshelped(56)___theproductionofcancerprotectionVitaminD.

  HesaidrecentstatisticsfromtheUnitedStatesindicatedthatpeoplewhoworkedindoorsalldayinartificiallightweremore(57)___melanomasthanthosewhoworkedoutdoors.Indoorworkersshouldtrytohaveatleastonehourof (58)___todirectsunlighteveryday,(59)___intheearlymorningandlateafternoonwhenultravioletintensivelywaslower,Dr.Laurasaid.

  Sunscreens,long (60)___asessentialforbeachlovers,couldalso (61)___theproductionofVitaminD.LauraandAshtonsaidsunscreensgivepeoplea (62)___senseofsecurityinthinkingtheyare (63)___fromthesun'srays.

  Dr.Laurasaidmorestatistics(64)___theirclaimhadcometolightsincethefirstarticlewaspublished.Hebelieveshisresearchfindingsaretooimportanttobe (65)___tothescientificworld.

  51.A.contributionB.reversalC.combinationD.recognition52.A.beneficialB.comfortableC.harmfulD.favorable53.A.promoteB.reduceC.removeD.eliminate54.A.assumptionB.law

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2020-12-2720:15
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  51.B.考查名词辨析.结合后句,说涂防晒霜会导致皮肤癌.而之前我们涂霜是为了防止被晒伤,但现在证明阳光会防止皮肤癌,因此这项研究结果是颠覆我们以往的理论知识.A.contribution贡献B.reversal逆转C.comb...

2020-12-27 20:16:18
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