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胃脘灼痛，饥不欲食，证属
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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. （75）是（）
咯痰清稀量多，色白滑而易咯，属
婚礼看得见，爱情看不见；情书看得见，思念看不见；花朵看得见，春天看不见；水果看得见，营养看不见；帮助看得见，关心看不见；刮风看得见，空气看不见；文凭看得见，水平看不见。 有人由此得出结论：看不见的东西比看得见的东西更有价值。 下面哪个选项使用了与题干中同样的推理方法（）。
小儿囟门迟闭，骨缝不合，是
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