关于CT图像空间分辨力的说法,正确的是() A.空间分辨力与螺距无关 B.不同重建方

题型:单项选择题

问题:

关于CT图像空间分辨力的说法,正确的是()

A.空间分辨力与螺距无关

B.不同重建方法得到的图像空间分辨力不同

C.空间分辨力与成像矩阵大小无关

D.空间分辨力与探测器数目成反比

E.空间分辨力与所扫物体密度有关

考点:大型设备上岗证考试全国医用设备使用人员考试宝典(CT技师)全国医用设备使用人员考试宝典(CT技师)模拟试题三
题型:单项选择题

Most American families like to have a vacation in summer. Summer is a good season for vacation. It is often hot in July and August.

Children do not go to school in those two months. Some people like to stay at home, read books, or watch TV. Many families take their lunch to eat at a place with many trees or a nice lake.

Some people have enough time and money to travel to other countries like France, Japan and Australia. They usually fly to these countries. Many families travel by car or train to see interesting places in their own countries. Their favorite cities are New York, Chicago, Miami, San Francisco and Los Angeles.

Not everyone likes to go to busy cities. Some families travel to mountains or beautiful valleys.

根据短文内容,从A、B、C、D四个选项中选择正确答案,并将其字母代号填入答题卷相应空格内。(共5小题,每小题1分,满分5分)

小题1:       is a good season for vacation.

A.Spring

B.Summer

C.Autumn

D.Winter小题2:Many people don’t         during their vacation.

A.read books

B.travel

C.watch TV

D.go to work小题3:Many families like to have their lunch       during their vacation.

A.in the office

B.near a cinema

C.near a big factory

D.near a nice lake小题4:If you have        , you can travel to other countries.

A.money and friends

B.friends and time

C.money and time

D.food小题5:Which of the following is NOT true ?

A.Summer vacation is about two months long.

B.Some people usually go to other countries to travel.

C.Everyone likes to travel to busy cities.

D.It’s often hot in July and August in America.

题型:单项选择题

单词拼写。

1. His temper's been changeable this week, so don't _____(使烦恼)him.

2. We must telephone our _____(祝贺)to the happy couple.

3. The sad story moved me to tears of _____(同情).

4. _____(伴随)by cheerful music, we began to dance.

5. Those _____(目击证人)played a very important role in the case.

6. She has very _____(狭窄的 / 狭隘的)ideas about religion.

7. Everyone in the class is expected to _____(参加)in the discussion.

8. Mail comes to this _____(偏僻的 / 遥远的)village only once a week..

9. We reached our _____(目的地), tired and hungry.

10. Honey can _____(代替)for sugar in this recipe.

题型:单项选择题

小丽今年比去年长高了5 厘米,其主要原因是[ ]

A.细胞生长  

B.细胞分裂    

C.细胞分化  

D.细胞分裂和生长

题型:单项选择题

仿照下面的诗句,要求以“生命”为话题,仿写一首诗,字数可稍有不同。(6分)

假如生命是船,就不要停泊,也不要随波逐流,我将高高地升起风帆,向着未有人到达过的海域。

题型:单项选择题

患者头胀且痛,胸闷,口不渴,身重而痛,发热体倦,小便清长,舌苔白滑,脉濡缓。其证候是

A.伤暑
B.冒湿
C.伤湿
D.中暑
E.以上均非

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