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问题 单项选择题

GSM分组业务中，两个RR实体用来在分组数据无线信道上单向传输LLCPDU的物理连接。分派在一个或多个PDCH上的无线资源，其上传输的是携带了一个或数个LLCPDU的一些RLC/MAC块，这个承载体指的是什么？（）

A.TFI

B.TBF

C.TLLI

D.USF

答案

参考答案：B

单项选择题 A1/A2型题

关于腔隙性脑梗死的CT表现，下列错误的是（）。

A.以基底节区和丘脑区为好发部位

B.平扫呈类圆形低密度灶，直径10～15mm

C.占位效应明显

D.病灶可以多发

E.可以出现强化，以第2～3周最明显
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单项选择题

Why do I want to go to college No one has ever asked me  （1）  a question. But many times I have asked myself. I have（2）a whole variety of reasons.  （3） important reason is that I want to be a better man.Many things make human beings different  （4）or better than or even superior to animals.One of the most important things is（5）. If I fail to receive higher education, my education.（6） As I want to be a fully  （7）man, I must get a well-rounded education, which good colleges and universities are supposed to （8）. I know one can get educated in many ways, but colleges and universities are（9）the best places to teach me how to educate myself. Only when I am well-educated, will I be a better human being and（10） fit into society.

第（5）空应选择（）

A. education   

B. weather   

C. temperature    

D. science
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