Mr. Smith thought of himself as _______,and this accident had ________ effect on his lifeA.a failure; aB.failure; anC.a failure; anD.failure; the
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C解析试题分析:考查冠词和名词。抽象名称failure在指失败的人或事的时候，可以做可数名词，排除B、D选项。而后面have an effect on 是固定短语“对、、、有影响”。句意：史密斯先生认为自己很失败，这次事故影响了他的生活。所以正确