2. 外语
  3. Some workers in the nuclear power station were exposed to high levels of ______.

Some workers in the nuclear power station were exposed to high levels of ______.

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问题 Some workers in the nuclear power station were exposed to high levels of ______.
选项 A、radiation
B、cancer
C、microwaves
D、high temperature
答案A
解析 radiation辐射，放射线，放射物；cancer癌症；microwave微波；high temperature高温。
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