Answer the following questions. Your answers should be clear and

Answer the following questions. Your answers should be clear and short.Guess the meaning of the underlined word and tell what context clue is used. He was in a mood of complete euphoria, his happiness being the result of an announcement that he had won the sweepstakes.
【正确答案】：

EUPHORIA MEANS HAPPINESS. THE CONTEXT CLUE USED IN THE SENTENCE IS SYNONYMY/A SYNONYM.

【题目解析】：in a mood of 处于...的情绪中。后面又提到“his happiness....”他开心是因为赢得了比赛。所以可以猜测euphoria 是开心，幸福的意思。