2. 职称英语
  3. A、Sleeping in an open environmentB、Using fuel instead of electricity.C、Using s

A、Sleeping in an open environmentB、Using fuel instead of electricity.C、Using s

游客2023-08-06  105
问题
选项 A、Sleeping in an open environment
B、Using fuel instead of electricity.
C、Using small and movable gas generators.
D、Short-term contact with carbon monoxide.
答案 C
解析
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