【单选题】By saying '... those raw materials exist already in abundance in every nation' the author is referring to.
A.
people, the environment and culture
B.
the capital used to build the tourism industry
C.
the environmental resources to build up tourism
D.
hosts and staff to welcome visitors
【判断题】Every country has its own way of saying things, so there are no universal expressions among different languages.
【单选题】By saying '...those raw materials exist already in abundance in every nation', the author is referring to ______.
A.
hosts and staff to welcome visitors
B.
people, the environment and culture
C.
the capital used to build the tourism industry
D.
the environmental resources to build up tourism
【单选题】指出下述曲轴箱油取样的操作错误()。
C.
取样时应在取样阀处先放掉二倍取样瓶空积再取样
【简答题】肝细胞内合成多种血浆蛋白的细胞器是A. 粗面内质网
【简答题】新能源汽车电机驱动系统主要由( ):机械传动、车轮等;( ):( )、( )、电子控制器。
【简答题】新能源汽车电机驱动系统主要由( ):机械传动、车轮等;( ):( )、( )、电子控制器组成。
【单选题】三维重建中绘制方法有面绘制和体绘制,下列各项是关于绘制方法的描述,哪一项描述不正确()。