问题 单项选择题

下列“脊柱结核"MRI征象,哪项不对

A.受累椎间盘信号可减低

B.受累椎间盘信号可增高

C.多椎体受累

D.T2加权,椎旁脓肿高信号

E.增强扫描,多数患者椎间盘不强化

答案

参考答案:E

解析:
MRI是显示脊椎结核病灶和范围最敏感的方法,可发现椎体内早期炎性水肿。大多数被破坏的椎体和椎间盘T1呈现均匀的较低信号,少数病灶呈现混杂信号; T2多呈现混杂高信号,部分病例呈均匀高信号;增强多不均匀强化。

阅读理解

材料A-F提供了六家旅行社的信息,请根据以下五人Nancy, Carlos, Edie, Tom, Alice各自的需求选择合适的旅行社。

A. Dalian International Tourist Agency

Our tourist agency has a five-day tour from Yantai to Qingdao. During this period, our best guides will take you to see the attraction of the sea and swim by the seashore.

B. Mount Tai Tourist Agency

Mount tai is well-known for its great views at home and abroad. This time our trip will give you the chance to enjoy the typical attraction of the natural scenes of the mountain. During this time, you can see how the sun rises in the east and the endless sea of clouds at sunset.

C. New Land Tourist Agency

In this summer vacation, our agency plans to visit Wang’s Grand Courtyard in Shanxi Province. In this one-day tour, we will lead you to the attraction of the well-known courtyard as well as the typical food culture in this area.

D. Peking Tourist Agency

Our agency will have a special three-day trip in Beijing. In our trip you will see the grand Forbidden City, the Bird’s Nest, Hutong and the Great Wall.

E. Sichuan Youth Tourist Agency

Our agency will organize a special trip to Jiuzhaigou. In the valley, we can enjoy the beautiful lakes, waterfalls and animals. During the period, you can put yourself in the natural environment.

F. Hangzhou Tourist Agency

Our agency plans to boat in the West Lake in this summer vacation. During this tour, you will see the beautiful scene of the West Lake. Also, you can have fun with your friends on the boat.

小题1:Nancy:I really want to visit a place where I can be far away from the city. I want to see wonderful waterfalls and quiet lakes there is no noise, no pollution and no troubles.

小题2:Carlos:Recently, I am interested in the courtyards and the special food culture in Shanxi Province. So I want to see the famous courtyards this summer vacation.

小题3:Edie:I really want to see the typical sports stadium in Beijing. Besides, I want to visit the Forbidden City and Hutong, so I can know more about the culture there.

小题4:Tom:I like climbing very much, because I find it not only a kind of sport, but also a good way of getting closer to the nature. At the same time, I can enjoy the scene of sunrise and the sea of clouds.

小题5:Alice:I live in a place far from the sea, so I want to go somewhere by the sea.

填空题