患者男,45岁,2年前无诱因出现柏油样便,伴头晕、乏力,但无腹痛、呕吐、呕血等,在当

题型:单项选择题

问题:

患者男,45岁,2年前无诱因出现柏油样便,伴头晕、乏力,但无腹痛、呕吐、呕血等,在当地医院诊断为“胃窦炎”,并用洛赛克等治疗后有所好转。以后多于进餐后半小时开始,下次餐前缓解。近2个月来厌食,消瘦,上腹疼痛加重,不易缓解。体检:贫血貌,剑突下有压痛,肝脾未及。大便隐血两个加号,胃肠钡餐检查幽门前区钡剂充盈缺损

目前病人的诊断应考虑为

A.胃溃疡癌变

B.急性胃窦炎

C.急性胰腺炎

D.急性胃体炎

E.十二指肠球部溃疡

考点:护理正副高消化系统疾病病人的护理消化系统疾病病人的护理2
题型:单项选择题

阅读理解。

  In 1638, John Harvard donated some money and about four hundred books

to a new university. This was the beginning of the library at Harvard University.

The gift was so important that the university was named for John Harvard.

  Thomas Bray began the first free lending library in the late 1600s. He set up

more than 30 or these libraries in the American colonies. However, the idea for

this kind of free library ended when Bray died in 1730. In 1731, Benjamin

Franklin and some friends started the first subscription library in the United

States. In a subscription library people pay money to become members, but they

may borrow the books without paying again.

  In the United States, every child had a free education. This idea soon led to

free libraries. One of the first libraries that used tax money to buy books was a

library in Peterborough, New Hampshire. This library was set up in 1833.

1. The main idea of paragraph 2 is _____.

A. Franklin started the first subscription library

B. in a subscription library people pay money to become members

C. Bray and Franklin were important in the history of public libraries

D. Bray died in 1730 and Franklin died in 1833

2. The underlined word "borrow" means _____.

A. read and write with no help from another person

B. use for a short time and then return

C. like very much

D. lend

3. The reading does not say it, but we can guess that _____.

A. there were free schools in the United States before there were free libraries

B. free schools and free libraries in the United States began at about the same

time

C. the library in New Hampshire also had a free school in it

D. there were free libraries in the United States before there were free schools

4. Havard University began _____.

A. in 1731

B. in 1730

C. in 1833

D. in 1638

5. At the library that Franklin started, _____.

A. children could use books for no money at all

B. people paid a little money in the beginning but none after that

C. people paid a lot of money in the beginning but none after that

D. both A and B

题型:单项选择题

某线圈在匀强磁场中绕垂直于磁场的转轴匀速转动,产生交变电流的图像如图所示,由图中信息可以判断:(  )

A.在A和C时刻线圈处于中性面位置

B.在B和D时刻穿过线圈的磁通量为零

C.从A~D时刻线圈转过的角度为2π

D.若从O~D时刻历时0.02s,则在1s内交变电流的方向改变100次

题型:单项选择题

动脉硬化分为()硬化、()硬化以及()硬化3种。

题型:单项选择题

《中国药典》(2005年版)将生物制品列入

A.第一部
B.第二部
C.第三部
D.第一部附录
E.第二部附录

题型:单项选择题

脱硫系统紧急停车,预热炉熄火后,应()

A、关闭燃料气截止阀

B、全关烟道挡板

C、投用脱硫循环冷却器

D、打开防爆门

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