【简答题】如图所示,步进电机在单三拍工作方式下正转的控制模型为:( ),( ),( )。
【单选题】《房屋建筑制图统一标准》( GBT50001-2017)发布时间 是
【判断题】《房屋建筑制图统一标准》是房屋建筑制图的基本规定,适用于总图、建筑、结构、给水排水专业的制图,而对暖通空调、电气专业制图不适用。
【单选题】在房屋建筑制图统一标准中,3.1规定A3图纸的大小是:
【单选题】在房屋建筑制图统一标准中,3.1规定A4图纸的大小是:
【判断题】《房屋建筑制图统一标准》是房屋建筑制图的基本规定,适用于总图、建筑、结构、给水排水、暖通空调、电气等各专业制图。
【单选题】The mass newspaper depended significantly more on advertising _________ than did their predecessors.
【单选题】《房屋建筑制图统一标准》最早发布是( )年,最新版是( )年; 《建筑制图标准》最早正式实施是( )年,最新版是( )年; 《民用建筑设计统一标准》最新版是( )年
A.
2001 2017 2001 2010 2020
B.
2001 2017 2001 2020 2020
C.
2001 2017 2002 2010 2019
D.
2001 2017 2002 2019 2019
【多选题】What are the types of mass media?
【单选题】According to the passage , what initiated the transformation of coffee-house news to mass-media news?
A.
The emergence of big mass media firms .
B.
The popularity of radio and television .
C.
The appearance of advertising in newspapers .
D.
The increasing number of newspaper readers .