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【简答题】
可编程并行I / O接口芯片8255A有 个8位并行I / O端口,可通过编程决定它们的功能。
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【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
A.
1987年7月1日
B.
2002年3月12日
C.
2010年8月18日
D.
2017 年9月27日
【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。
A.
正确
B.
错误
【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:
A.
841X1189
B.
591 X841
C.
297X420
D.
210X297
【单选题】Which of the following advertising media does not belong to mass media?______.
A.
Trade fair
B.
TV
C.
Newspaper
D.
Radio
【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:
A.
594 X 841
B.
420X594
C.
297 X420
D.
210 X 297
【单选题】The mass newspaper depended significantly more on advertising _________ than did their predecessors.
A.
revenues
B.
incomes
C.
avenues
D.
outcomes
【多选题】What are the types of mass media?
A.
radio
B.
television
C.
newspaper
D.
Internet
【单选题】_____ refers to the unpaid nonpersonal presentation of ideas, goods, or services, which includes getting favorable coverage in newspaper stories or on television.
A.
Advertising
B.
Personal selling
C.
Mass selling
D.
Publicity
E.
Sales promotion
【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 .
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