单选题 Look ______ the different meanings of these words in a dictionary.

【正确答案】 C

【答案解析】[解析] 句意：在词典里查询这些单词的不同意思。词义辨析题。look out意为“小心，注意”；look for意为“寻找”；look on意为“旁观”；look up意为“查询，查阅”。