糖尿病人出现强烈饥饿感、心悸、手颤、出汗可能是A.合并甲状腺功能亢进 B.糖尿病加重

题型:单项选择题

问题:

糖尿病人出现强烈饥饿感、心悸、手颤、出汗可能是

A.合并甲状腺功能亢进

B.糖尿病加重

C.低血糖

D.高血压

E.十二指肠溃疡

考点:护理正副高内分泌代谢疾病病人的护理内分泌代谢疾病病人的护理
题型:单项选择题

炼金废水中含有络离子[Au(CN)2]+,其电离出的CN有毒,CN-与H+结合生成HCN时,其毒性更强。回答下列问题:

(1)HCN的电离方程式为______________________NaCN溶液的pH_____7(填“< > =”)

(2)与弱电解质的电离方程式相似,[Au(CN)2]+也存在着两步电离,其一级电离方程式为_________

(3)处理这种废水是在碱性条件下,NaClO将CN氧化为碳酸根和氮气,其离子方程式为:__________

(4)在酸性条件下,ClO也能氧化CN--,但实际处理废水时却不在酸性条件下进行的原因是_______________

题型:单项选择题

Part 4


Questions 26-45


·Read the following text and decide which answer bestfits each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.

Newspapers


Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play When an event takes place, newspapers are on the streets (26) the details. (27) anything happens in the world, reporters are on the spot to (28) the news.
Newspapers have one basic (29) to get the news as quickly as possible from its source, from those who make it to those who want to (30) it. Radio, telegraph, television, and (31) inventions brought competition for newspapers. So did the development of magazines and other means of communication. (32) this competition merely spurred the newspapers on. They quickly made (33) of the newer and faster means of communication to improve the speed and (34) the efficiency of their own operations. Today more newspapers are printed and read than ever before.
Competition also led-newspapers to branch out into many other fields. Besides keeping readers (35) of the latest news, today’s newspapers (36) readers about politics and other important and serious matters. Newspapers influence readers’ economic choices (37) advertising. Most newspapers depend on advertising for their very (38) Newspapers are sold at a price that (39) to cover even a small fraction of the cost of production. The main (40) of income for most newspapers is commercial advertising. The (41) in selling advertising depends on a newspaper’s value to advertisers. This is measured (42) circulation. How many people read the newspaper Circulation depends (43) on the work of the circulation department and on the services or entertainment (44) in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers as a source of information (45) the community, city, country, state, nation, and world—and even outer space.

A.Wherever

B.Whoever

C.Whatever

D.Whichever

题型:单项选择题

女,38岁,已婚已育。现月经延期15天,伴恶心呕吐。妇科检查:宫口闭,子宫正常大小,两侧附件阴性。首选的处理方法是()

A.B超盆腔检查

B.口服甲羟孕酮

C.尿妊娠试验

D.基础体温测定

E.血孕酮测定

题型:单项选择题

疫毒痢内闭外脱的治法是:()

A.扶正固脱,潜阳熄风

B.回阳救逆,补肾益气

C.熄风镇惊,救逆固脱

D.培元益气,补肾温阳

E.健脾补肾,熄风开窍

题型:单项选择题

工程设计和维护中都计算信噪比都非常重要,计算信噪比的公式为OSNR=Pout–10logM-L+58-NF–10logN。下面关于信噪比描述错误的是()

A、M为WDM系统的复用通路数

B、L为任意两个光放大器之间的距离

C、NF为光放大器EDFA的噪声系数

D、N为WDM系统合、分波器之间的光放大器数目

更多题库