2. 职称英语
  3. Even though the main source of ______ exposure for a majority of the human popul

Even though the main source of ______ exposure for a majority of the human popul

游客2023-12-27  28
问题 Even though the main source of ______ exposure for a majority of the human population is the sun, the artificial tanning from sun beds contributes significantly to the total UV risk.
选项 A、extra violent
B、extra violet
C、ultraviolet
D、ultravirus
答案 C
解析 ultraviolet紫外线的：ultraviolet light紫外线光。extra violent特别猛烈的：extra violet特别的紫罗兰；ultravirus超显微病毒。
转载请注明原文地址:https://tihaiku.com/zcyy/3311379.html
相关试题推荐
随机试题
最新回复(0)