2. 职称英语
  3. Whenever work is being done, energy ______ from one form into another.A、converts

Whenever work is being done, energy ______ from one form into another.A、converts

游客2025-05-10  0
问题 Whenever work is being done, energy ______ from one form into another.
选项 A、converts
B、converted
C、is converted
D、is being converted
答案 C
解析 根据题意应用被动语句。
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