以下哪项符合等中心照射摆位要求()A、源皮距固定 B、不使用源轴距对距离 C、先给好

题型:单项选择题

问题:

以下哪项符合等中心照射摆位要求()

A、源皮距固定 

B、不使用源轴距对距离 

C、先给好角度再多源皮距 

D、限皮距较大 

E、一般采用中心十字照射野

考点:大型设备上岗证考试放射治疗LA医师上岗证考试2002年LA放射治疗上岗证考试真题
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《中华人民共和国消防法》规定,住宅区的物业服务企业应当对管理区域内的消防设施进行维护管理,提供消防安全()。

A.管理服务

B.监督检查服务

C.防范服务

D.防控服务

题型:单项选择题

The headmaster was______ as to how to inform her of the news that her daughter failed to pass the exam again.

A.at ease

B.in relief

C.in a hurry

D.at a loss

题型:单项选择题

高血压合并心肌梗死宜选用()

A.苄胺唑啉

B.哌唑嗪

C.肼苯哒嗪

D.美托洛尔

E.巯甲丙脯酸

题型:单项选择题
We always want what we cannot have. When we’re young, we want to stay out late, have romantic relationships, and be __36__. However, when we’re __37__, we want to go back to being young and we __38__ the days when we didn’t have to worry about complex love affairs, __39__ pressure, and money problems.
Young people believe adulthood __40__ freedom from parents and schoolwork. When they get older, they feel that __41__is freedom from work pressure and family responsibilities. To  __42__ this feeling, people say, “The grass is always __43__ on the other side.”
As teenagers, we like to be like adults but as young adults, we __44__to be young again. We think about staying out late, __45__ our own money to spend. Suddenly, they see that love can result in _46__hearts; staying out late makes it hard to get ready for__47__the next morning. They find out that adult life is not as __48__as they thought it would be and suddenly, __49__ becomes very scary.
Life is __50__. It gives us time to__51__ but also requires us to work. The time will come when we must grow up and we will always look __52__ wishing we __53__being young a bit longer. That time will not come back. It is normal to want what we cannot have but the __54__ is that to be happy is to appreciate what we have. That is the first step to growing up. __55__life becomes more complex we will not regret the time we wasted wishing we were adults.
小题1:
A.comfortableB.dependentC.independentD.polite
小题2:
A.olderB.defeated C.marriedD.confident
小题3:
A.likeB.forgetC.regretD.miss
小题4:
A.studyB.jobC.ageD.health
小题5:
A.creates B.showsC.meansD.limits
小题6:
A.childhoodB.adulthoodC.parenthoodD.romanticism
小题7:
A.reduceB.describe C.experienceD.understand
小题8:
A.greener B.thinnerC.yellowD.colorful
小题9:
A.wishB.decideC.returnD.stop
小题10:
A.making B.havingC.worrying aboutD.showing off
小题11:
A.healthyB.ambitiousC.brokenD.excited
小题12:
A.breakfastB.schoolC.exercise D.work
小题13:
A.richB.busy C.free D.easy
小题14:
A.lifeB.love C.careerD.future
小题15:
A.longB.shortC.fair D.beautiful
小题16:
A.studyB.thinkC.play D.live
小题17:
A.up B.down C.back D.into
小题18:
A.stoppedB.enjoyedC.imagined D.tried
小题19:
A.reason B.resultC.dreamD.truth
小题20:
A.If B.When C.UnlessD.Before
题型:单项选择题

引起肾功能衰竭的常见病因的哪些?

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