题目内容
13．Computer is thought to be one of ________ inventions in modern times．（ ）| A． | a more important | B． | the most careful | ||
| C． | a more helpful | D． | the most helpful |
分析 翻译：计算机被认为是在现代最有用的发明之一．
解答 答案：D．句中有in modern times（在现代），因此该用最高级，one of是…之一，后面要跟最高级+名词的复数形式；计算机对于人们来说是有帮助的，该用形容词helpful，helpful的最高级是most helpful，前应加定冠词the．故选D．
点评 本题考查的是三者或三者以上的比较，要用形容词或副词的最高级．
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