关于肺动脉闭锁合并室间隔缺损的血流动力学描述,下列错误的是()。 A.心房水平出现双

题型:单项选择题 A型题

问题:

关于肺动脉闭锁合并室间隔缺损的血流动力学描述,下列错误的是()。

A.心房水平出现双向分流

B.右心室的血液不能进入肺动脉

C.左、右心室的血液均进入主动脉

D.心室水平出现双向分流

E.通过动脉导管及体肺侧支供给肺部血液

考点:医技考试超声波医学与技术(主管技师)超声波医学与技术相关专业知识考前冲刺三
题型:单项选择题 A型题

从某校2100名学生中随机抽取一个30名学生的样本,样本中每个学生用于课外作业的时间(单位:min)依次为:

75,80,85,65,95,100,70,55,65,75,85,110,120,80,85,80,75,90,90,95,70,60,60,75,90,95,65,75,80,80.该校的学生中课外作业时间超过一个半小时(含一个半小时)的学生有________人.

题型:单项选择题 A型题

阅读下面短文并回答问题,然后将答案写到答题卡相应的位置上(请注意问题后的词数要求)。

[1] Doctors say anger can be an extremely damaging, unless you learn how to deal with it.They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer.

[2] Anger is a normal emotion that we all feel from time to time, some people express anger openly in a calm reasonable way.Others burst with anger, and scream and yell.But other people keep their anger inside.They can not or will not express it.This is called ______________.

[3] For years many doctors thought that repressing anger was more dangerous to a person’s health than expressing it.They said that when a person is angry, the brain release the same hormones.They speed the heart rate, raise blood pressure, or sugar into the blood, etc.In general the person feels excited and ready to act.

[4] Some doctors say that both repressing and expressing anger can be dangerous.They believe that those who express anger violently may be likely to develop heart disease, and they believe that those who keep their anger inside may face a greater danger of high blood pressure.

[5] Doctors say the solution is learning how to deal with anger.They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about.If it is, they say, “Do not express your anger while angry.Wait until your anger has cooled down and you are able to express yourself calmly and reasonably.”

[6] Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry.They said that laughter is much healthier than anger.

小题1:What is the best title of the passage? (no more than 8 words.)

__________________________________________________________________________________

小题2:What does the word “it ” ( Line 3 Para 2 ) refer to? ( no more than 2 words )

__________________________________________________________________________________

小题3:Please fill in the blank with proper words or phrases to complete the sentence.(no more than 3 words)

________________________________________________________________________________

小题4:List the three ways the author mentions people express their anger.(no more than 20 words)__________________________________________________________________________________

小题5:According to the doctors, what good way can you get to deal with anger? (no more than 5 words)

________________________________________________________________________________

题型:单项选择题 A型题

下列各项指标中可用于分析企业长期偿债能力的有()

A、流动比率

B、资产负债率

C、产权比率

D、利息保障倍数

题型:单项选择题 A型题

二极管的击穿分两种,一种是()击穿,另一种为()击穿。

A.雪崩、齐纳

B.虚、实

C.电压、电流

D.PN、NP

题型:单项选择题 A型题

在关系数据库系统中,为了简化用户的查询操作,而又不增加数据的存储空间,常用的方法是创建______。

A.另一个表

B.游标

C.视图

D.索引

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