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单选题 2级

2010-11-07

If people weren't prepared to experiment with new teaching method．thing would never change．

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参考答案

C

答案解析

[分析]动词辨析
experiment with表：进行试验，做试验；A．campmgIl参加活动，作战；B．swerve突然转向；C endeavor尽力，努力，尝试；D．manipulate(熟练地)操作，巧妙地处理；因此C为答案。

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