题目内容
17.The exam was so difficult that fivetwelfths of the students failed it.(twelve)分析 这次考试太难,以至于十二分之五的学生考试没有过关.
解答 答案:twelfths.
根据题干"这次考试太难,以至于十二分之五的学生考试没有过关."判断句中要使用分数十二分之五,分数表达法是:分子用基数词,分母用序数词,如果分子大于1,分母要加-s,所以十二分之五的正确表达为:five twelfths.故答案为:twelfths
点评 本题考查分数表示法.分子用基数词,分母用序数词;如果分子大于一,分母用序数词的复数形式.
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