搜题请搜索小程序“爱下问搜题”
问题 单项选择题

制度包含正式的法律规则和非正式的风俗习惯两个方面。它是交易的结果，制度确立后便形成相对稳定的利益格局，从而产生制度惯性。在这种惯性中，风俗习惯的变迁与法律规则的变迁都比较缓慢。所以，( )

A．制度的变迁是渐进的过程

B．制度形成后便不会发生变化

C．制度变迁是自发的

D．随着制度的完善，制度变迁会越来越慢，甚至终结

答案

参考答案：A

多项选择题 案例分析题

患者男性，54岁。间歇性跛行3年，症状加重伴右侧小腿肌肉静息痛1年，右足皮肤苍白、足背脉搏动减弱，既往有高血压和高血脂病史多年。

术前检查中对于把握手术适应症以及选择手术方法有重要意义的检查项目是（）。

A.B超

B.X线片

C.动脉造影检查

D.放射性核素检查

E.节段性肢体血压测定

F.电阻抗体描记法检查
查看答案
单项选择题

Egyptian wine has an extensive history within the history of Egyptian civilization. Grapes were not (1) to the landscape of Egypt, rather the vines themselves are (2) to have been imported from the Phoenicians, (3) the actual origins remain in (4) . What is known, is that (5) the third millennium BC, Egyptian kings of the first (6) had extensive wine cellars, and wine was used extensively in the temple ceremonies. The main (7) of wine in Egypt, took place between the king, nobles, and the priests in temple ceremonies, and is (8) by numerous painted relief’s, and other (9) evidence. The vineyards of ancient Egypt, were quite different from the modern methods of wine making today. (10) viticulture ( or wine making), ceased to (11) an exclusively ceremonial purpose, the Egyptians began to experiment with simple structures for their vines to train on, (12) found a way to train their vines so they were easy low (13) bushes, and found ways for the soil to (14) more moisture for the vines. Egyptian wine making experiments included the use of different wine presses, adding heat to the must ( the grape juice ready for fermentation) (15) make the wine sweet, and differences in vat types and materials. The (16) finished product of wine, was poured through a cloth filter, and then into earthenware jars, (17) they would be sealed with natural tar and left to (18) . The Egyptians kept accurate records of their vintages, and (19) of their wines, each jar of wine was clearly (20) with it’s own vintage, and quality.

17（）

A.which

B.when

C.where

D.and
查看答案