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    精英家教网 > 初中英语 > 题目详情

    【题目】________ important energy electricity is in our daily life now!

    A.HowB.WhatC.What aD.What an

    【答案】B

    【解析】

    句意：电在我们的日常生活中有多么重要！

    考查感叹句。英语感叹句由what和how引导，what后面跟名词，how后面跟形容词或副词。具体构成如下：（1）what + a/an+形容词+可数名词单数+主语+谓语！（2）what +形容词+不可数名词或可数名词复数+主语+谓语！（3）how+形容词或副词+主语+谓语！本句的中心词helpful是形容词，可知用how引导此感叹句；故选B。

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