【TwoNewcastlescientistsaresettingthemselvestoopenoureyestothemedicaltruthbyclaimingthatnaturalsunlightmayhelppreventskincancer．Dr．RonLaura，professorofhealtheducationatNewcastleUniversity，andseniorchem

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

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蒋仕文的回答：

网友采纳　　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...