2. 外语
  3. During the period of______ from oil heat to gas heat the furnace will have to be shut off.

During the period of______ from oil heat to gas heat the furnace will have to be shut off.

admin2020-05-20  22
问题 During the period of______ from oil heat to gas heat the furnace will have to be shut off.
选项 A、transfer
B、transmission
C、transition
D、transportation
答案C
解析 transfer表示“转移，调任”；transmission表示“传输，发射，播送”；transition表示“过渡”；transportation表示“运输，运送”。通过上下文可知，C正确。
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