【单选题】世界读书日的确立,与下列哪个因素没有关系?( )
【判断题】Culture is like a fish.
【单选题】Each aspect of culture is like a stone thrown into a pool.
A.
Each aspect of culture can have a big impact on business.
B.
Each aspect of culture is a reflection of the national culture as a whole.
C.
Each aspect of culture is a mirror of a rich and colorful life.
D.
Each aspect of culture is affected by diversity of factors.
【判断题】酸雨的形成是因为煤中含有硫酸,硫酸进入空气中溶于水形成的。
【判断题】对于细长轴、薄壁套和精密工件的加工,传入工件的切削热比较少,不会引起工件的变形。
【单选题】用直线命令画出一个矩形,该矩形中有( )个图元实体。
【简答题】in the Text A The nature of culture, we say: culture is like an __________; culture is our _________; culture is like the ________ a fish swims in; culture is the _________ of our behavior.
【单选题】在AutoCAD中,用直线命令画出一个矩形,该矩形中有( )个图元实体。
【判断题】物流信息平台的核心功能主要是电子单证的翻译、转换和通信。()