作业帮the new electric motorcycle is the newest variety we made,and it is of high quality.3934 想知道：1— it is of 这是什么结构?什么意识
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the new electric motorcycle is the newest variety we made,and it is of high quality.3934 想知道：1— it is of 这是什么结构?什么意识
the new electric motorcycle is the newest variety we made,and it is of high quality.3934
想知道：
1— it is of 这是什么结构?什么意识
the new electric motorcycle is the newest variety we made,and it is of high quality.3934 想知道：1— it is of 这是什么结构?什么意识
be of +抽象名词（value,importance,use,help,bravery,difference,patience,courage,ability等）,of表示“具有”,“具备”等意思；of不能省,这一结构相当于“be+该抽象名词相对应的形容词（形容词前用very,not作修饰语）”例如：
1.They are of great help / very helpful to learners of English.
他们对英语学习者来说是很有帮助的.
2.But in fact sports and games can be of great value / very valuable.
事实上体育运动是很有价值的.
3.The book is of no use / useless to us.
这书对我们无用.
4.It is of great importance / very important to study English.
学习英语很重要.
5.It’s of much possibility / very possible to misunderstand each other in life.
生活中人与人之间发生误会是很可能的.
6.Your idea is of no difference from mine.
= Your idea is not different from mine.
你我的想法一样.
就是表示具有high quality
be of 后面接一个属性，有这种用法
补充个参考吧：http://wenku.baidu.com/view/899bf0d528ea81c758f5781a.html