胆结石的CT表现有哪些()A.高密度结石表现为单发或多发,圆形、多边形或泥沙状的高密

题型:多项选择题

问题:

胆结石的CT表现有哪些()

A.高密度结石表现为单发或多发,圆形、多边形或泥沙状的高密度影

B.胆结石分为高密度、等密度和低密度3种类型

C.肝内胆管结石呈点状、结节状、不规则状表现,常伴周围胆道扩张

D.胆总管结石时上部胆管扩张,结石部位的层面扩张的胆管突然消失

E.胆结石的CT值测定大致反映结石化学成分的含量

考点:医学影像技术(医学高级)CTCT题库
题型:多项选择题

根据以下案例,回答14~40题:
张先生有100万元人民币,考虑到目前银行存款利率较低,在股市看好时,想将这笔钱来做证券投资,张先生在上海证券交易所买了10487元B公司的A股股票和8000元的B公司发行的可转换债券,并且买了正在发行的面值为100元的10年期国债,国债票面利率为5%,市场利率为5%。同时将另外的20万元投资了货币市场基金。

基金管理公司投资管理的基本目标是( )。

A.高投资回报率

B.尽可能的吸引顾客,扩大申购群体

C.高管理费和手续费

D.为客户寻求与风险相称的投资回报,并维护基金和客户资产的安全

题型:多项选择题

阅读理解。

     Christmas (圣诞节) is December 25. It's the most important holiday in America.

     People like to send Christmas cards to their friends and they buy gifts for their family and friends before

Christmas.

     Christmas Day is a day for family reunion (团聚). The family come together and sit down to have a meal

in the afternoon. On Christmas Day people go to church (教堂) to listen to Christmas Carols (颂歌). Children

are very happy on that day, and they can get a lot of gifts.

1. ________  is the biggest festival in America.

A. Christmas

B. New Year

C. Thanksgiving Day

D. Teachers' Day

2. Many people can get some ________ before Christmas.

A. work

B. cards

C. new clothes

D. cards or gifts

3. The family often have ________ together in the afternoon on Christmas Day.

A. a meeting

B. a meal

C. a ball

D. match

4. Children like Christmas Day very much, and they can ________.

A. get many gifts

B. watch TV all day

C. sing Christmas songs

D. go to the concert

5. Children like Christmas Day very much, and they can ________.

A. get many gifts

B. watch TV all day

C. sing Christmas songs

D. go to the concert

题型:多项选择题

已知函数f(x+1)是定义在R上的奇函数,若对于任意给定的不等实数x1、x2,不等式(x1-x2)[f(x1)-f(x2)]<0恒成立,则不等式f(1-x)<0的解集为(  )

A.(1,+∞)

B.(0,+∞)

C.(-∞,0)

D.(-∞,1)

题型:多项选择题

(14分)如图所示,光滑绝缘半球槽的半径为,处在水平向右的匀强电场中,一质量为的带电小球从槽的右端A处无初速沿轨道滑下,滑到最低位置B时,球对轨道的压力为.求:

(1)小球受到电场力的大小和方向;(2)带电小球在滑动过程中的最大速度。

题型:多项选择题

人民警察在行使行政职权时非法拘禁,剥夺了公民的人身自由的,应承担刑事赔偿。 ( )

更多题库