2. 外语
  3. When the engine did not start, the mechanic inspected all the parts to find what was at ______.

When the engine did not start, the mechanic inspected all the parts to find what was at ______.

admin2011-01-05  59
问题 When the engine did not start, the mechanic inspected all the parts to find what was at ______.
选项 A、wrong
B、trouble
C、fault
D、difficulty
答案C
解析 (fault故障，误差，at fault出毛病，有故障)。句意为：发动机无法启动时，机械师检查了所有的部件，以弄清哪里出了故障。A．wrong错误，坏事；B．trouble困境；D．difficulty困难。
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