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14.I have worked all day,now I'm dog-tired.(  )
A.not tiredB.relaxedC.very tiredD.excited

分析 我已经工作了一整天,现在我筋疲力尽了.

解答 答案:C 根据划线短语dog-tired,并结合语境I have worked all day在工作一整天的情况下可以推知现在一定是很累,所以划线短语的含义为筋疲力尽的;疲倦极的,是一种固定表达;结合选项的含义,not tired不累的;relaxed放松的;very tired很累的;excited兴奋的.所以同意短语为very tired,意为"很累的,筋疲力尽的".故选C.

点评 做同义词与近义词辨析的题关键是了解固定短语的含义;也可以结合语境及关键句推测出短语的含义;再结合选项选出可以替换的短语.

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