They are trying to identify what is wrong with the present system.

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问题 They are trying to identify what is wrong with the present system.

选项 A、prove
B、consider
C、imagine
D、discover

答案D

解析本句意思：他们正努力找出现在的系统出了什么问题。identify确认，找出，发现。prove证明，证实；consider考虑，认为；imagine想象，设想；discover发现，发觉，找到。

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职称英语理工类B级

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