螺旋CT被检者用适当的防护材料遮挡,正确的方法是() A.前面遮挡 B.背面遮挡 C

题型:单项选择题 A1/A2型题

问题:

螺旋CT被检者用适当的防护材料遮挡,正确的方法是()

A.前面遮挡

B.背面遮挡

C.环状包裹

D.左侧遮挡

E.右侧遮挡

考点:放射医学技术(士)放射医学技术相关专业知识综合练习放射医学技术相关专业知识综合练习题库
题型:单项选择题 A1/A2型题

平方得9的数有[ ]

A.3

B.﹣3

C.3或﹣3

D.不能确定

题型:单项选择题 A1/A2型题

下列操作风险自我评估流程,按照先后顺序排序的结果是( )。 (1)全员风险识别与报告 (2)控制措施与评估 (3)制定与实施控制优化方案 (4)报告自我评估工作与曰常监控 (5)作业流程分析、风险识别与评估

A.(1) (2) (3) (4) (5)

B.(4) (1) (5) (3) (2)

C.(4) (2) (3) (1) (5)

D.(1) (5) (2) (3) (4)

题型:单项选择题 A1/A2型题

使用稳压二极管时应注意极性不能接错,否则会造成电源()。

A、短路

B、断路

题型:单项选择题 A1/A2型题
One Christmas Eve, my husband made his way home from work.  36 , he worked the entire day but let his stuff go  37  so that they could be with their families.
He drove down the street and made the  38  towards our home. On one side of the road, an old man stood, drenched to the bone (被雨淋得湿透了), with his hand  39 . The rain had been  40  heavily that day. My husband stopped, and asked him where he was  41 . He wanted to go about five miles past our home, but my husband still told him to  42 . My husband chatted with him, drove  43  our house and took him home for his Christmas Eve.  44  turned out that this poor man was what we now  45  as a “slow learner” and the only job he could get to  46  him and his elderly mother was at the bakery near where my husband worked. He worked from 5 a.m. until 1 o’clock in the  47 . Not only that, but that poor man had been standing there trying to get a ride on Christmas Eve for about 5 hours  48  my husband picked him up.  49  else would give him a ride because they didn’t want to get their seats  50 .
Over the years my husband  51  to give him a ride home whenever he saw him trying to get a ride. When he passed  52 , my husband went to his funeral.  53  my husband didn’t know his family, they knew of him. Even his twin sister who  54  in the state of Washington knew who my husband was and everyone thanked him for his  55  toward one who had so little.
An act of kindness can make another person’s day, or even their life.
小题1:
A.As well
B.As usual
C.If possible
D.If so
小题2:
A.early
B.nowhere
C.altogether
D.late
小题3:
A.corner
B.change
C.crossing
D.turn
小题4:
A.moved
B.raised
C.arisen
D.risen
小题5:
A.pouring
B.flowing
C.dropping
D.pointing
小题6:
A.wandering
B.staying
C.going
D.working
小题7:
A.get out
B.get off
C.get down
D.get in
小题8:
A.past
B.for
C.from
D.near
小题9:
A.What
B.That
C.It
D.We
小题10:
A.round up
B.refer to
C.conclude with
D.name after
小题11:
A.protect
B.satisfy
C.defend
D.support
小题12:
A.morning
B.afternoon
C.evening
D.night
小题13:
A.before
B.after
C.because
D.while
小题14:
A.Someone
B.Anyone
C.Everyone
D.No one
小题15:
A.tight
B.wet
C.cosy
D.free
小题16:
A.persuaded
B.claimed
C.continued
D.appointed
小题17:
A.down
B.away
C.by
D.out
小题18:
A.Although
B.Whether
C.Since
D.Before
小题19:
A.traveled
B.arrived
C.remained
D.lived
小题20:
A.wealth
B.efforts
C.kindness
D.attention
题型:单项选择题 A1/A2型题

假设磁盘的读写头在55号柱面上操作时,有新请求访问的柱面号为100、39、124、16和126。当55柱面号操作完成后,若采用最短寻找时间优先调度算法,为完成这些请求,磁头需要移动过的柱面数是( )

A.181

B.159

C.149

D.139

更多题库