题目内容
20．This is one of thebiggest（big） rabbits in the world．He eats 12carrots，six apples and two cabbages every day．分析 这是世界上最大的兔子，它每天吃十二个胡萝卜、六个苹果和两个卷心菜．
解答 答案：biggest 根据in the world可知，此处表示比较的范围是"全世界"，要用形容词的最高级；形容词最高级的表达是：the+形容词最高级+in/of+比较的范围．故填biggest．
点评 判断形容词或副词的比较级和最高级，主要是看几者之间的比较．两者之间用比较级，三者或三者以上比较用最高级形式．本题是三者以上之间的比较．
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