on和about的区别we shall be pleased to send you the necessary information___ our machine tools.为什么选择on而不是about?

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on和about的区别we shall be pleased to send you the necessary information___ our machine tools.为什么选择on而不是about?
on和about的区别
we shall be pleased to send you the necessary information___ our machine tools.
为什么选择on而不是about?

on和about的区别we shall be pleased to send you the necessary information___ our machine tools.为什么选择on而不是about?
简单区分,about通俗大众；on学术【专业】性强
on与about 二者都是介词,意为“关于,论及”等,一般情况下,二者可以互相替换,但二者有点区别：about常用于简单的或浅显的论述等,是一般用语,多用于讲故事,谈话；思考等；
on多用于系统论述或专题讲演、论著等,具有学术性,如：The teacher told us a story about Lei Feng.It's very moving.He will give us a talk on the history of the Party.他将给我们做个关于党史的报告.
正误例析今天下午我们将听一个关于非洲历史的演讲.
误：We're going to listen to a lecture about African history his afternoon.
正：We're going to listen to a lecture on African history this afternoon.
析：介词about和on都可以作“关于”解.on表示一本书、文章或演讲是严肃的、学术性的,可供专门研究这一问题的人们参考；about则表示其内容比较通俗,一般人都可阅读.

因为所以，

on和about的区别we shall be pleased to send you the necessary information___ our machine tools.为什么选择on而不是about? on和about的区别. on和about的区别 shall we和will you 的用法与区别 bring on和bring about的区别 opinion on和opinion about的区别? shall 和should的区别What time shall we go? 和what shall I do?的shall可以换成should 么? 关于on 和about区别 shall和will的区别 Shall和will的区别 Shall和would的区别? on time和in time的区别,请举例说明,十万火急Shall we hurry?I hope we will be just ___for the ten o'clock train.A.on time B.in time 请说明理由，麻烦您了。 shall we have a rest?和 let's have a rest,shall we?有无区别? we will和we shall请问一下有区别吗?能不能用I shall呢 shall we have a picnic ____ Friday evening?a.on b.at c.in d.about be nervous on和be nervous about的区别是什么 give advice on give 和advice about的区别 debate on 和debate about 的区别是什么?RT