Given the sentence 'devoted researchers spend long hours in the laboratory', which of the following is the best synonym for the word 'devoted' in this context?

答案解析

This question考察考生对同义词的辨析能力。选项A和B都是负面词汇,与'devoted'的含义相反。选项C正确,因为'diligent'意味着勤奋和专注,与'devoted'意义相近。选项D错误,因为'unfocused'意味着注意力不集中,与'devoted'的含义不符。
正确答案:C
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