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女性，47岁。主因头痛、癫痫近一个月反复发作呈进行性加重就诊。实验室检查正常。各种病理反射未引出。

该病应与哪些疾病相鉴别（）

A.脑膜瘤

B.动脉瘤

C.胶质瘤

D.垂体瘤

E.神经源性肿瘤

答案

参考答案：A, B, D

单项选择题

二维超声心动图胸骨旁长轴观可见（）

A.主动脉瓣及肺动脉瓣

B.主动脉及二尖瓣

C.室间隔与房间隔

D.二尖瓣与三尖瓣

E.主肺动脉与房间隔
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单项选择题

Passage One

In many countries today, laws protect wildlife. In India the need for such protection was realized centuries ago.

About 300 B. C. an Indian writer described forests that were somewhat like national parks today. The killing of game animals was carefully governed. Some animals were fully protected. Within the forest, nobody was allowed to cut trees, burn wood, or trap animals for their furs. Animals that became dangerous to human visitors were trapped or killed outside the park, so that other animals would not become uneasy.

The need for wildlife protection is greater now than ever before. About a thousand sorts of animals are in danger of extinction, and the speed at which they are being destroyed has been putting on. With mammals, for example, the speed of extinction is now about one sort every year; from A. D. 1 to 1800, the speed was about one sort ever), fifty years. Everywhere, men are trying to solve the problem of saving wildlife while caring for the world’s growing population.

The word" extinetion"in this report most properly means“（）”.

A．falling down

B．dying out

C．growing up

D．going away
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