He is hopeful about his chances of winning a gold medal in the Olympics next year.A.optim

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He is hopeful about his chances of winning a gold medal in the Olympics next year.

A.optimistic

B.optional

C.outstanding

D.obvious

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  • 正确答案:正确A
    【答案】A【解析】0ptimistic“乐观的,乐观主义的”;optional“可任意选择的,非强制的”;outstanding“杰出的,优秀的”;obvious“明显的”。