如发现大咯血患者有窒息先兆,应立即采取的抢救措施是 A.用导管吸除血块,保持呼吸道通

题型:单项选择题

问题:

如发现大咯血患者有窒息先兆,应立即采取的抢救措施是

A.用导管吸除血块,保持呼吸道通畅
B.作气管插管
C.进行气管切开
D.加压吸氧
E.应用呼吸兴奋剂

考点:护理学主管护师护师基础知识2001年基础知识
题型:单项选择题

Look! There are thousands of people waiting to buy tickets home in the railway station. Each time when Spring Festival comes, buying tickets of train trip would be very hard. And things seem to be getting worse and worse, although we have greatly increased the mileage of railway network and speeded up trains. Why? It’s because too many people want to go back home to spend Spring Festival with their family. Many people become angry with the Ministry (部)of Railways.

They wonder why it is hopeless for them to get the tickets from the railway station(火车站)Instead, they sometimes can only buy them from ticket scalpers (票贩) at much higher price.

The Ministry of Railways estimated(估计)that about 188 million passengers would travel by train during the 40-day peak (高峰) period surrounding the 2009 Spring Festival holiday. The number of travelers will be 8% higher than that of 2008. This problem even drew the President Hu Jintao’s attention. He wrote a note to Liu Zhijun,Minister of the Ministry of Railways, asking him to take action to improve passenger convenience. Afterward, officials from the Ministry of Railways said they would try their best not to let any ticket-buyers spend Spring Festival at the railway station.

小题1: Many people can’t buy the tickets from the railway station, and they sometimes can only buy them from the scalpers_________.

A.expensively

B.happily

C.dangerously

D.hardly小题2: How many people took the train trip during the peak period surrounding the 2008 Spring Festival holiday?

A.About 203 million.

B.About 188 million.

C.About 180 million.

D.About 174 million.小题3:What does the passage mainly tell us?

A.People go home much more easily during the Spring Festival.

B.It is very hard to buy tickets in the railway station during the Spring Festival.

C.President Hu Jintao cares about the railway building problem.

D.The Ministry of Railways felt sorry about the problem.

题型:单项选择题

(6分)某化学小组利用下图所示装置测定铜锌合金样品中锌的质量分数(图中固定装置已略去)探究过程如下:

1.连接实验装置并检查装置气密性

Ⅱ.向B中加入质量为m的铜锌合金粉末,由注射器A向B缓缓加入稀硫酸,待B中不再有气体产生气体时,夹紧弹簧夹,立即移出D中导管,准确读取并记录量筒内水的体积。

Ⅲ.经过滤等操作,准确称量并记录B中剩余固体物质的质量。

IV.该小组的甲同学根据反应前后B中固体物质的质量计算样品中锌的质量分数;乙同学认定量筒内测得水的体积

即为反应生成气体的体积,并利用该气体在常温下的密度,根据化学方程式进行相关计算,得到样品中锌的质量分数。请回答下列问题:

(1)Ⅲ中,正确的操作顺序是:过滤、                     、称量。

(2)通过误差分析,化学小组发现乙同学所用数据不可靠。造成该数据不可靠的原因及其对计算结果的影响是:

①II中,移出D中的导管内留存有水,导致计算结果偏小。

                                                  

(3)①日常生活中为方便使用通常将金属制成合金,伍角币为钢芯镀铜、一元币为钢芯镀镍(Ni)合金①铸造以上硬币用到的材料都是          材料

②选择铸造硬币的材料不需要考虑的因素是            (填序号)。

A.金属的导电性

B.金属的耐腐蚀性

C.金属的硬度

D.金属价格与硬币面值的吻合度③以上硬币涉及到Fe、Cu、Al、Ni(镍),已知Ni能够发生如下反应:

Ni+ H2SO4=" Ni" SO4+ H2↑  Fe+ Ni Cl 2=" Ni" + Fe Cl 2

四种金属活动性由强到弱的顺序为             (用元素符号表示)。

题型:单项选择题

依次填入下列句子横线处的标点符号正确的一项是[ ]

  诗人因冷而神飞____睹雪而思人____今天我看到雪使我想起了你____讴歌大堰河____我的保姆____艾青后来回忆道____大堰河____我的保姆____这首诗是出于一种感激的心情写的____

A.,,——。:“——。,。”

B.、。,:。:《——》,。

C.、——,:。:《——》,。

D.,,“”,——。:“《——》,。”

题型:单项选择题

衡量色谱柱选择性的指标是()

A.分离度

B.容量因子

C.相对保留值

D.分配系数

题型:单项选择题

猪传染性胃肠炎的发生具有明显的季节性,以()多发。

A.夏季

B.秋季

C.冬春季节

D.梅雨季节

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