计算CT值的公式是根据() A.水的质量衰减系数 B.水的线性衰减系数 C.水的电子

题型:单项选择题

问题:

计算CT值的公式是根据()

A.水的质量衰减系数

B.水的线性衰减系数

C.水的电子密度

D.水的质量密度

E.水的分子成分

考点:放射医学技术(医学高级)放射医学技术综合练习放射医学技术综合练习题库
题型:单项选择题
When Amy wrote her first novel in secondary school, she never imagined(想象) that she would become a writer one day. Like many      writers on the Internet, the       woman got into this online world accidentally(偶然地).
Three years ago, Amy worked in a medical industry. Her job kept her busy for six months and left her almost        to do for the rest of the year. To fill the time, she started writing       on the Internet. Her first novel was about her neighbors and their life that        is familiar with. Amy has been interested in writing           she was a child. At first, she just wanted to share her novels       people she knew. Then one day an editor of a famous website emailed her, asking her       she would like to sell the electronic copyright(授权) of one of her novels. She        at once and the novel was moved to the VIP section of the website. She got $ 1,500 for that.
Now Amy is a full-time      . So far her eight novels have come out(出版) online, and five of them were printed. “The Internet       me famous and brought me        ,” she said. “I earn much more money now— about $60,000 a year. I am     with my career, but there is one problem — that my talent might run out after five years and I’ll have to     to work in the medical industry.” “Before that day comes, I’ll keep     for the readers with my light and close-to-everyday-life writing style,” said Amy with a smile.
小题1:
A.otherB.othersC.anotherD.the other
小题2:
A.28-year-oldB.28-years-oldC.28 years oldD.28-year old
小题3:
A.somethingB.anythingC.everythingD.nothing
小题4:
A.reportsB.novelsC.diariesD.plays
小题5:
A.herB.herselfC.sheD.hers
小题6:
A.whenB.whileC.sinceD.until
小题7:
A.aboutB.ofC.toD.with
小题8:
A.thatB.ifC.whyD.how often
小题9:
A.agreedB.disagreedC.refusedD.left
小题10:
A.housewifeB.editorC.saleswomanD.writer
小题11:
A.will makeB.makingC.madeD.makes
小题12:
A.successB.succeedC.successfulD.successfully
小题13:
A.unhappyB.angryC.happyD.proud
小题14:
A.comeB.goC.returnD.get
小题15:
A.to writeB.writingC.writeD.written
题型:单项选择题

志愿者督导的支持性功能是指通过督导、教育过程来强化志愿者的自我功能,让他们能够成长,并能在一个安全的气氛下自我反思,然后克服其在工作、学习中所遇到的挫折。对志愿者督导的支持性功能通常包含()。

A.给予志愿者适当的支持与关怀,激发志愿者的工作潜能与工作士气

B.帮助志愿者适应压力和稳定情绪

C.协助志愿者发展社会关系网络和适应环境

D.增强志愿者的自我功能并建立自信心

E.帮助志愿者解决面临的经济困难

题型:单项选择题
不定项选择
关于热力学温度,下列说法中正确的是(   )
A.一般近似认为-33 ℃=240K    

B.温度变化1 ℃,也就是温度变化1K    

C.摄氏温度与热力学温度都可能取负值    

D.温度由t ℃升至2t ℃,对应的热力学温度升高了t+273K

题型:单项选择题

在前驱期和岀疹期,从麻疹疑似病人的咽拭子、尿液和()等标本中,都可以分离到麻疹病毒。

题型:单项选择题

关于脊髓灰质炎病毒,下列说法错误的是()

A.是一种RNA病毒,是肠道病毒

B.根据抗原性的不同,可分为3个血清型,不同血清型之间很少有交叉免疫

C.对人、猩猩及猴均致病

D.外界生活力极弱,普通消毒剂可灭活

E.我国存在不同基因型的野毒株

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