题目内容
18．-What's most useful invention in the 20th century？- computer，I think．（ ）
| A． | the； A | B． | a； A | C． | the； The | D． | /； The |
分析 -20世纪最有用的发明是什么？
-电脑，我认为．
解答 答案：C 此题考察冠词．根据 most useful invention 可知最高级前面要加定冠词the，表示特指．下文的computer指的是上文提到在20世纪最有用的发明，也为特指，用定冠词the．故选C．
点评 做冠词类的题除了把握大的原则外，也要注意题目中的一些细节，抓住这些细节，可以让做题变的更简单，比如像本题中的最高级的用法．
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