题目内容
12． useful robot it is!It can help with the housework like a human servant．（ ）| A． | What | B． | What a | C． | What an | D． | How |
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：B．
根据useful robot it is!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]这里是以辅音因素开头的句子，加冠词的话应该用a，根据What+a/an+形容词+可数名词单数+主语+谓语!故选B．
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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