2. 外语
  3. The ship’s generator broke down, and the pumps had to be operated ______ instead of mechanically.

The ship’s generator broke down, and the pumps had to be operated ______ instead of mechanically.

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问题 The ship’s generator broke down, and the pumps had to be operated ______ instead of mechanically.
选项 A、manually
B、artificially
C、automatically
D、synthetically
答案A
解析 根据题干中的instead of这个结构可知，mechanically应是所填词的反义复现，故答案为A 。
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