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.

（73）是（）

A.drawer

B.painter

C.plotter

D.brush

女性，24岁。两年来有发作性神志丧失．四肢抽搐，服药不规律，今日凌晨开始又有发作，意识一直不清醒，来院后又有一次四肢抽搐发作。

首先应选用的药物是（）

A.地西泮10mg静注

B.苯妥英钠0.25g肌注

C.地西泮20mg肌注

D.副醛5ml灌肠

E.苯巴比妥0.5g肌内注射