2. 外语
  3. A. abundant B. casually C. concerns D. epidemic E. exaggeration F. excessive G. figure H. intensity I.

A. abundant B. casually C. concerns D. epidemic E. exaggeration F. excessive G. figure H. intensity I.

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问题    A. abundant     B. casually    C. concerns    D. epidemic   E. exaggeration
   F. excessive     G. figure     H. intensity    I. launched   J. observes
   K. overexposure   L. possession   M. search    N. tracks    O. wirelessly
   Everyone knows that too much time in the sun can expose you to 【C1】______ ultraviolet radiation, which can lead to skin cancers. But that’s not going to stop people from cooking themselves in 【C2】______ of the perfect tan. The problem has become an 【C3】______: more than 2 million skin cancers in over 3.5 million people diagnosed annually in the U.S.
   Given our sun-worshipping ways, scientists and the skin-care industry are working hard to 【C4】______ out the safest way to tan. A handful of wearable products have recently made it to market that alert wearers of UV radiation levels—they tell you you’re about to burn before you can see it.
   The simplest might be Smartsun wristband, which alerts wearers of UV 【C5】______ with just a change of color. It starts off as yellowish-brown when first exposed to UV rays; when it turns pink, that’s the warning to seek shade and slather (厚厚地涂)on sunscreen.
   If you prefer something a little more invasive, try the UVeBand, which vibrates when you’ve had your share of UV rays. Then there’s the JUNE, developed and recently 【C6】______ by Netatmo. The JUNE has UV sensors built into a fake jewel that connect 【C7】______ to a smartphone, where an app monitors UV 【C8】______ in real time, alerting when it’s time to get out of the sun. It also  【C9】______ your radiation exposure over time, so you can see how bad your summer has been for your skin, long term.
   All of these products are designed to help wearers maximize their sun time. But none have been reviewed or approved by any health regulatory body, which raises some 【C10】______.
【C1】
选项
答案F
解析 动词expose的常见搭配是expose sb．to sth．，空格后radiation为名词，因而空格处可填入形容词或分词，作名词的定语。由非限制性定语从句which can lead to skin cancers可知，此处说的是接触到超出限度的紫外线辐射，词库中excessive“过多的；极度的”符合语义，故选F项。abundant“丰富的：充裕的”为褒义词，无法表达超出限度的意思，故排除。
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