关于X线照片颗粒度的叙述,错误的是A.物理测定值为颗粒度 B.X线量子斑点影响照片颗

题型:单项选择题

问题:

关于X线照片颗粒度的叙述,错误的是

A.物理测定值为颗粒度

B.X线量子斑点影响照片颗粒性

C.X线照片上颗粒聚集的区域,称噪声

D.增感屏斑点是造成照片斑点的主要因素

E.量子斑点是X线量子的统计涨落在照片上记录

考点:放射医学技师放射技师基础知识初级放射医学技师基础知识1
题型:单项选择题

Many teenagers feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. When they are happy, they’d like to tell their friends. And they also like to talk to their friends when they feel sad.

It’s very important for teenagers to have a good friend or a group of friends. Even when they are not with their friends, they usually spend a lot of time talking with them on the phone. The communication is very important to children’s growth, because friends can discuss something. These things are difficult to their family members.

But some parents often choose friends for their children. Some parents may even stop their children from meeting their good friends. It’s a trouble to many children.

根据材料内容判断下列各句正(T)误(F).

小题1:Many teenagers think that parents can understand them better.

小题2:Communication with friends is very important to teenagers.

小题3:When teenagers have something difficult to say, they usually go to their brothers and sisters for help.

小题4:Some parents like to choose friends for their children.

小题5:Children don’t want parents to stop them meeting friends.

题型:单项选择题

女性,27岁,已婚未育。1年来水肿、怕冷、便秘、记忆力下降。查体:甲状腺Ⅱ度肿大,质地韧,心率56次/分,胫前不可凹性水肿。临床诊断为桥本甲状腺炎。下列哪项检查结果与诊断不相符合()。

A.甲状腺功能测定显示FT3,FT4降低,TSH增高

B.TPOAb、TCAb异常增高

C.131I摄取率增高

D.彩超显示甲状腺回声呈网格状

E.甲状腺细针穿刺示滤泡破坏、淋巴细胞浸润

题型:单项选择题

原发性肝癌在我国消化系统肿瘤中居:()

A.第一位

B.第二位

C.第三位

D.第四位

E.第五位

题型:单项选择题

接手一个纪律较差的班级,班主任首先应该()

A.确定班集体的发展目标

B.组织形式多样的集体活动

C.建立班集体核心队伍

D.建立班的正常秩序

题型:单项选择题

用152片64K×1的芯片构成一个存储器,问:①存储器的容量为多少字节?②片选信号至少为多少个?③地址长度至少为多少位?

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