2. 外语
  3. A. before the cancer cells spread elsewhere B. the more chances of dying of X-ray radiation he will have C. what is most respons

A. before the cancer cells spread elsewhere B. the more chances of dying of X-ray radiation he will have C. what is most respons

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问题 A. before the cancer cells spread elsewhere
B. the more chances of dying of X-ray radiation he will have
C. what is most responsible for lung cancer
D. as some people imagine
E. the more chances of getting lung cancer he will have
F. which form of lung cancer is a common one
Routine X-ray chest examination is not so dangerous______.
选项
答案D
解析 由文章第三段最后一句的内容可知，现代x射线机在合格技师的操作下所产生的危害微乎其微，并不像通常人们想象的那样危险，故选D。
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