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】______.
【C10】
选项
答案C
解析 空格处需填入名词，作raises的宾语。这些防止人们接触到过多紫外线的产品出发点是好的，但它们都没有经过健康管理部门的审查和批准，这种情形令人担忧。词库中的名词concerns“担心，忧虑”语义符合，故选C项。
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