题目内容
4． useful robot!It can help with the housework like a human servant．（ ）| A． | How | B． | What an | C． | How a | D． | What a |
分析 多么有用的机器人啊．它可以像人类的仆人一样帮助干家务．
解答 答案：D．根据useful robot!可知这里考查了感叹句，本句的中心词是robot，它是一个可数名词的单数形式，useful是一个形容词，在这里修饰robot，useful/ju：sfl/，是以辅音音素开头的单词，用冠词的话，这里用a，根据What+a/an+形容词+可数名词单数+主语+谓语!故选D．
点评 本题考查了感叹句的用法．解答时需注意感叹句的基本结构：What+a/an+形容词+可数名词单数+主语+谓语!What+形容词+可数名词复数/不可数名词+主语+谓语!How+形容词/副词+主语+谓语!
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