2. 职称英语
  3. Ellen was pleased to hear people praise her great tan skin. [br] Melanin is a be

Ellen was pleased to hear people praise her great tan skin. [br] Melanin is a be

游客2023-08-02  67
问题 Ellen was pleased to hear people praise her great tan skin. [br] Melanin is a best shield to black out the UV radiation.
选项 A、Y
B、N
C、NG
答案 B
解析 第五段第一、二句话指出"Think of your tan as a shield of melanin your body produces to block out the UV radiation．The problem is，it’s a weak shield at best"想想黑色素可以是你身体抵抗UV射线的挡箭牌，但充其量是不堪一击的挡箭牌，题干不符合原文。
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