MRI显示后颅窝结构优于CT,主要原因是() A.参数成像 B.可以任意方向直接成像

题型:单项选择题

问题:

MRI显示后颅窝结构优于CT,主要原因是()

A.参数成像

B.可以任意方向直接成像

C.无骨伪影

D.利用MRI对比剂

E.能提供代谢信息

考点:放射医学(医学高级)放射医学综合复习题放射医学综合复习题题库
题型:单项选择题
已知
x2-2
+
2-x2
+2
6
=(
2
-x)y
,则
1
x+y
=______.
题型:单项选择题

头痛绵绵时发时止,遇劳加剧,神疲乏力,食欲不振,畏寒气短,苔薄,脉细无力。辨证为()。

A.肾虚头痛

B.风热头痛

C.风寒头痛

D.气虚头痛

E.血虚头痛

题型:单项选择题
A businessman had been on a long flight between meetings. After a while, a calm voice said, “We shall not be serving the drinks at this time as we are expecting a little turbulence(漩涡). Please be    1   your seat belt is fastened.”
As the businessman looked around in the aircraft, it became obvious that many  passengers were becoming a bit    2  . Later, the voice said, “We are so sorry that we are unable    3   the meal at this time. The turbulence is still ahead of us.”
Lightning    4   the darkening skies, and within moments that great plane was like a _  5   moving around on an ocean. One moment the airplane was    6   on terrific currents of air; the next, it dropped as if it were about to crash. All the passengers were upset and scared. Some were praying. The future seemed terrible and many were wondering if they would    7   it through the storm.
Then, he suddenly saw a little girl. Obviously the storm meant    8    to her. She was reading a book and everything within her small world was    9   and orderly. Sometimes she closed her eyes, then she would    10   again; then she would straighten her legs, but worry and fear were not in her    11  . All the adults were scared half to __12___, but the great child wasn’t afraid at all.
The businessman could hardly believe his eyes. When the plane finally    13   its destination, he asked why she had not been afraid. The child replied, “Because my Daddy’s the pilot, and he’s flying the plane to take me home.”
There are many kinds of storms that    14   us physically, mentally and financially. And many storms can easily and quickly darken our skies and    15   out planes into uncontrollable movement.
Let us remember: Our Father is the pilot. He is in control and taking us home. So don’t worry!
小题1:
A.quickB.sureC.trueD.worried
小题2:
A.excitedB.curiousC.happyD.nervous
小题3:
A.to serveB.to takeC.to finishD.to produce
小题4:
A.broke outB.lit upC.came acrossD.gave off
小题5:
A.birdB.boatC.planeD.person
小题6:
A.liftedB.squeezedC.knockedD.dropped
小题7:
A.makeB.getC.carryD.finish
小题8:
A.somethingB.anythingC.everythingD.nothing
小题9:
A.funnyB.easyC.movingD.calm
小题10:
A.lieB.readC.playD.smile
小题11:
A.bookB.worldC.storyD.body
小题12:
A.deathB.cryC.smileD.madness
小题13:
A.cameB.arrivedC.gotD.reached
小题14:
A.woundB.warnC.troubleD.kill
小题15:
A.reduceB.throwC.makeD.destroy
题型:单项选择题

卫生间楼地面聚氨酯防水施工,配制聚氨酯涂膜防水涂料的方法是()。

A、将聚氨酯甲、乙组分和二甲苯按1:1.5:0.3的比例配合搅拌均匀

B、用电动搅拌器强力搅拌均匀备用

C、涂料应随配随用

D、一般在24h以内用完

E、干燥4h以上,才能进行下一道工序

题型:单项选择题

属于润动轴承种类的是()。

A.椭圆轴承

B.多油叶轴承

C.可倾瓦轴承

D.圆锥滚子轴承

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