为全身麻醉下做下肢手术的病人准备床单(被套式),下述哪项正确()。A.将床上脏的被单

题型:单项选择题

问题:

为全身麻醉下做下肢手术的病人准备床单(被套式),下述哪项正确()。

A.将床上脏的被单换为清洁被单

B.床头、床尾各铺一橡胶中单和中单

C.盖被三折于一侧床边,开口背门

D.枕头平放于床头,开口背门

E.椅子置于接受病人一侧的床尾

考点:执业药师药事管理与法规执业药师药事管理与法规50
题型:单项选择题

下列关于离子选择系数描述正确的是()。

A.表示在相同实验条件下,产生相同电位的待测离子活度与干扰离子活度的比值;

B.越大越好;

C.越小越好

D.是一个常数。

题型:单项选择题

Depression that inflicts people who believe their lives lack content when the rush of the busy week stops referred to by a prominent psychiatrist as Sunday Neurosis.

A.has been referred to by a prominent psychiatrist

B.has been referred to as by a prominent psychiatrist

C.a prominent psychiatrist has referred to it

D.it has been referred to by a prominent psychiatrist

题型:单项选择题

关系的数据操纵语言按照表达式查询方式可分为两大类:关系和 【3】

题型:单项选择题

Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them.

A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops’s keyboard, a blind person can "read" any (8) document in the English language.

This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that will sell (12) less than half that price. Within a few years, Kurzweil (13) the price range will be low enough for every school and library to (14) one. Michael Hingson, Director of the National Federation for the Blind, hopes that (15) will be able to buy home (16) of Cyclops for the price of a good television set.

Mr. Hingson’s organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (17) in those tests, making lots of (18) suggestions to the engineers who helped to produce Cyclops.

"This is the first time that blind people have ever done individual studies (19) a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (20) , the manufacturers have been the blind ones.

15()

A.schools

B.chihlren

C.families

D.companies

题型:单项选择题

PGP可对电子邮件加密,如果发送方要向一个陌生人发送保密信息,又没有对方的公钥,以下措施正确的是()

A.制造一个公钥发给对方

B.采用其它联系方式向对方索取公钥

C.向对方发一个明文索取公钥

D.向权威认证机构获取对方的公钥

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