赵丽教你背考研词汇题目版57

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Although most birds have only a negligible sense of smell, they have _____ vision.
A. vigorous B. exact C. acute D. vivid
    [vigorous]
vigorous 精力旺盛的, 有力的, 健壮的
[/vigorous]
    [exact]
exact 确切的, 精确的, 准确的
[/exact]
    [vivid]
vivid 生动的, 形象的, 鲜明的
[/vivid]
    [acute]
acute 敏锐的
[/acute]
    [vision]
vision 视力, 眼界
[/vision]