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问题 单项选择题

梅尼埃病的临床特征为（）

A.上感后出现眩晕，无耳鸣和耳聋

B.眩晕发作时可伴随有意识障碍

C.发作性眩晕、耳鸣、耳聋和耳胀满感

D.头部处于某一位置则出现眩晕，重复检查眼震方向不变

E.眩晕伴有耳聋、面瘫，患耳有疱疹

答案

参考答案：C

单项选择题 共用题干题

患者，男，23岁，腹痛，腹泻伴高热10余天，加剧5小时。入院检查血白细胞数下降，中性粒细胞减少，脾脏轻度肿大。剖腹探查见回肠下段穿孔，行回肠部分切除送检。

镜检如图1、2、3、4所示：黏膜内可见大量体积大，胞浆丰富的细胞聚集成团，细胞胞浆内见各种细胞碎片。该患者最可能的诊断是（）。

 

A.肠结核

B.肠伤寒

C.肠阿米巴病

D.Crohn病

E.小肠黏膜相关淋巴瘤
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单项选择题

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (51) phenomenon of race consists of few surface indications.

We judge race usually from the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (52) you were to remove the skin you could not tell anything about the race to which the individual belonged. There is nothing in physical structure, the brain or the internal organs to (53) a difference.

There are four types of blood. All types are found in every race, and no type is distinct to any race. Human brains are the (54) . No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (55) in size, but this occurs within every race. (56) does size have anything to do with intelligence. The largest brain ever examined belonged to a person of weak (57) . On the other hand, some of our most distinguished people have had (58) brains.

Mental tests which are reasonably (59) show no differences in intelligence between races. High and low test results both can be recorded by different members of any race. (60) equal educational advantages, there will be no difference in average standings, either on account of race or geographical location.

54().

A.same 

B.identical 

C.similar 

D.alike
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