肺动脉口血流的正常多普勒频谱不具有下列哪项特点A.从基线向下的负向频谱 B.呈单峰频

题型:单项选择题

问题:

肺动脉口血流的正常多普勒频谱不具有下列哪项特点

A.从基线向下的负向频谱

B.呈单峰频谱

C.窄状状三角形或抛物线形脉冲波

D.从基线向上的正向频谱

E.血流速度小于主动脉瓣口血流

考点:超声波医学主治医师超声医学相关专业知识超声医学科主治医师相关专业知识7
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Once upon a time there lived a woman who had a bad temper(脾气). She  1 at everyone around her. For most of her life she believed the anger inside her was  2  else’s fault(过错).
She went to see a wise monk(高僧) to ask for  3  . The monk told her to take a large pot(罐子) from his kitchen, fill it with  4 , and stand outside on the sidewalk in front of his house. “It’s hot outside,” the monk said to her “When a person  5 , you must give him or her a glass of water. Do this until there is no left inside you.”  7  she stood outside with a water pot and served water to walkers every day for the next several weeks.
Every morning she asked   8  if there was any anger inside her. And every morning the answer was, “yes.” So she continued  9 water. Until one afternoon when a man walked up, took the water pot out of her hand and drank the water up, and then  10 it onto the ground as he went on his way.
The woman was very  11 . Unable to control herself, she  12  the pot and threw it at the rude man. The pot broke into pieces over the back of his head and he fell to the ground, bleeding.
As the woman calmed down, she realized the mistake of what she had made and began to cry. She called 911 and  13  what had happened. A moment later an ambulance(救护车) and two police cars arrived and took the man away. Then one of the police officers walked over to the woman, who was  14 crying, and said, “ The city owes(欠) you a big ‘thank you.’ That man has been  15 our wanted list for over a year now. He is an important suspect in many murder cases and robberies.”
小题1:
A.pointedB.laughedC.smiledD.screamed
小题2:
A.anybodyB.somebodyC.everybodyD.nobody
小题3:
A.informationB.newsC.adviceD.message
小题4:
A.juiceB.waterC.milkD.coffee
小题5:
A.walks pastB.drives pastC.rides pastD.runs past
小题6:
A.waterB.moneyC.angerD.energy
小题7:
A.BecauseB.ButC.SoD.Unless
小题8:
A.herselfB.himselfC.itselfD.themselves
小题9:
A.drinkingB.servingC.selling D.buying
小题10:
A.putB.droppedC.fellD.threw
小题11:
A.happyB.excitedC.surprisedD.angry
小题12:
A.gave upB.picked upC.put upD.cleared up
小题13:
A.spokeB.toldC.reportedD.asked
小题14:
A.alreadyB.stillC.alwaysD.never
小题15:
A.onB.inC.atD.to
题型:单项选择题

目前,中国个人住房抵押贷款期限最长不超过()年。

A.10

B.15

C.20

D.30

题型:单项选择题

试述与牙种植手术有关的重要解剖结构及与种植牙的关系。

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()的发展目标是建设和完善智能双向互动服务平台和相关技术支持系统。

A.智能用电

B.智能调度

C.智能配电

D.智能输电

题型:单项选择题

工程交工时,为总结经验及积累施工资料,施工单位一般应保存下列技术资料()

A、施工组织设计和施工经验总结

B、新技术、新工艺和新材料的施工方法及施工操作的总结

C、重大质量事故情况,原因及处理记录

D、有关重要的技术决定

E、施工日记及施工管理经验总结

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