单项选择题

Until now intelligent lighting systems have been produced on a large scale, for individual houses and businesses, and have been expensive. ( )

A．对
B．错

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单项选择题

“爸爸买泡面”是按照（）顺序进行轮替

A．b/m/f/p
B．b/m/p/f
C．m/b/p/f/
D．p/m/b/f

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（）属于品牌形象识别系统，该系统是由象征识别、主张识别和视觉识别三方面所构成 A. 经济性 B. 可控制性 C. 销售条件 D. 适应性