The ship’s generator broke down, and the pumps had to be operated______instead o

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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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Theship’sgeneratorbrokedown,andthepumpshadtobeoperated______insteado