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问题 单项选择题 A1/A2型题

某患者持续性发热5天，相对缓脉，皮肤出现玫瑰疹，肝脾肿大，白细胞计数低于正常值。为了确诊，此时采取什么标本培养伤寒杆菌的阳性率最高（）。

A.粪便

B.尿液

C.血液

D.呕吐物

E.胆汁

答案

参考答案：C

单项选择题

下列关于过户费的收取不正确的是( )。

A．上海证券交易所A股过户费为成交面额的1‰，起点为1元

B．深圳证券交易所免收A股过户费

C．上海证券交易所B股结算费为成交金额的0.5‰，但最高不超过500美元

D．目前免收基金交易过户费
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单项选择题

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）处填（）。

A．microimage

B．holograph

C．thumbnail

D．bitmap
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