下图遗传系谱图中，Ⅱ-6不携带致病基因，甲种遗传病的致病基因用A或a表示，乙种遗

人体进行有氧呼吸的场所是[ ]

A．肺泡

B．细胞质基质

C．线粒体

D．细胞质基质和线粒体

有一溃疡病史男性患者，1小时前呕血住院，自觉出汗、心慌。查体：心率120次／分，四肢湿冷。根据上述临床表现估计出血量至少为（）。

A.>100ml

B.>200ml

C.>300ml

D.>350ml

E.>400ml

ISO9000标准把质量特性定义为（）、（）、或体系与要求相关的（固有特性）。

采用下列哪种方法有助于鉴别小的肾血管平滑肌脂肪瘤与小肾癌()

A．薄层连续扫描以发现脂肪成分

B．增强扫描观察肿瘤强化情况

C．螺旋CT扫描

D．冠状位重建

E．以上都不是

Attempts to understand the relationship between social behavior and health have their origin in history. Dubos (1969) suggested that primitive humans were closer to the animals (1) they, too, relied’upon their instincts to stay healthy. Yet some primitive humans (2) a cause and effect relationship between doing certain things and alleviating (3) of a disease or (4) the condition of a wound. (5) there was so much that primitive humans did not (6) the functioning of the body, magic became an integral component ofthe beliefs about the causes and cures of heath (7) Therefore it is not (8) that early humans thought that illness was caused (9) evil spirit. Primitive medicines made from vegetables or animals were invariably used in combination with some form of ritual to (10) harmful spirit from a diseased body.

One of the. earliest (11) in the Western world to formulate principles of health care based upon rational thought and (12) of supernatural phenomena is found in the work of the Greek physician Hippocrates. The writing (13) to him has provided a number of principles underiying modern medical practice. One of his most famous (14) , the Hippocratic Oath, is the foundation of contemporary medical ethics.

Hippocrates also argued that medical knowledge should be derived from a (15) of the natural science and the logic of cause and effect relationships. In this (16) thesis, On Air, Water, and Places, Hippocrates pointed out that human well-being is (17) by the totality of environmental (18) : living habits or lifestyle, climate, geography of the land, and the quality of air, and food. (19) enough, concerns about our health and the quality of air, water, and places are (20) very much written in twentieth century.

19（）

A.Interesting

B.Appealing

C.Demanding

D.Exaggerating