____ important information is now in our life!A.How B.What an C.What a D.What老师说选A,为什么

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____importantinformationisnowinourlife!A.HowB.WhatanC.WhataD.What老师说选A,为什么____importantinformationis

____ important information is now in our life!A.How B.What an C.What a D.What老师说选A,为什么
____ important information is now in our life!A.How B.What an C.What a D.What老师说选A,为什么

____ important information is now in our life!A.How B.What an C.What a D.What老师说选A,为什么
感叹句的用法 information不可数不加a
关于感叹句的用法
感叹句讲解与练习
由感叹词what引导的感叹句.
  what修饰名词或名词短语,有以下两种形式:
  1. What+a(an)+(形容词)+单数可数名词+主语+谓语!或是:What+名词词组+主语+谓语!如:
  What an apple this is! What a fine day it is!
  2. What+(形容词)+可数名词复数或不可数名词+主语+谓语!
  What kind women they are! What nice music it is!
  由How引导的感叹句.
  how用来修饰形容词、副词或动词.其结构是:How+形容词(副词)+主语+谓语!
  How hard the workers are working!
  How clever the girl is!
  How quickly the boy is writing!
  注意:当how修饰动词时,动词不跟着感叹词提到主语之前.
  How the runner runs!
  what与how引导的感叹句,一般情况下可以相互转换,转换后意义不变.如:
  What an interesting story it is!==How interesting the story is!
  what a beautiful building it is!==How beautiful the building is!
  在口语中,感叹句的主语和谓语常常省略.如:
  What a nice present!(省略it is)
How disappointed!(省略she is或其它可作本句主、谓的词语)
  关于感叹句 what 和 how 的区别:
  一、 由"what"引导的感叹句:"what"意为"多么"用作定语,修饰名词(被强调部分),单数可数名词前要加不定冠词a/an,复数可数名词或不可数名词前不用冠词.这类句子的结构形式是:
  what+(a/an)+adj.+n.+主语+谓语+(it is).
  如: ① What a clever girl she is! 多么聪明的姑娘呀!
  二、由"how"引导的感叹句:"how"意为"多么",用作状语,修饰形容词或副词(被强调部分).如果修饰形容词,则句中的谓语动词用系动词;如果how修饰副词,则句中的谓语动词用行为动词,这类句子的结构形式是:
  How+adj.(adv.)+主语+谓语+(it is).
  如: How cold it is today!  今天多么冷呀!
  三、在表示同一意义时,英语感叹既可用"what"引导,也可用"how"引导.如:
  What a hot day it is!  How hot the day is !
  四、感叹句在表示激动强烈的感情时,口语中常常采用省略句,其后面的主语和谓语往往略去不讲.
  如: What a fine day! 多么晴朗的天呀!