(10分)为迎接建党90周年，各地开展了“我与祖国共奋进——学党史、知党情、跟党走”主题教育实践活动，组织群众瞻仰革命遗址，参观红色旅游景点、革命博物馆和革命纪念馆，学习革命英烈的事迹。

结合材料，运用文化生活知识，分析上述做法的理论依据。

Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.

（72）处填（）。

A．belt

B．ribbon

C．tape

D．band