因为单位负责人是单位会计工作的责任主体，所以会计机构、会计人员没有会计监督的职权。

人工膝关节置换的手术禁忌证是（）。

A.膝关节周围或全身存在活动性感染病灶

B.膝关节肌肉瘫痪或神经性关节病变

C.全身情况差或伴有未纠正的糖尿病

D.其他可预见的导致手术危险和术后功能不良的病理情况

E.以上都正确

女性，38岁，3天来咽喉部疼痛波及右侧颈部及耳后，伴有发热，门诊检查：体温38.4℃，右侧甲状腺肿大，质地中等，有触痛，无结节，诊断为亚急性甲状腺炎，较为合适的治疗方案是（）。

A.抗生素+甲状腺干制剂

B.抗生素+肾上腺皮质激素

C.抗生素+肾上腺皮质激素+甲状腺干制剂

D.肾上腺皮质激素+甲状腺干制剂

E.碘剂+肾上腺皮质激素+甲状腺干制剂

某项目建成后生产产品销售情况见下表。

产品销售情况表

[问题]

1．计算该项目净现值的期望值。

2．计算该项目净现值的方差以及离散系数。

3．计算净现值大于或等于零的累计概率。

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.

8（）

A.surprising

B.obvious

C.promising

D.unwise

滑动连续式拉伸的主要特点（）。

A．除最后一道外都存在滑动

B．每道都有滑动

C．除第一道外都存在反拉力

D．每道都有反拉力