关于蚕蚀性角膜溃疡何者不正确（） A.是一种自发性、慢性边缘性、进行性、疼痛性角膜溃

下列因素发生变动，会导致看涨期权价值和看跌期权价值反向变动的有（）。

A.股价波动率

B.执行价格

C.到期时间

D.无风险利率

砌块建筑除可降低造价、改善建筑功能外，还可( )。

A．减轻自重

B．耐久性好

C．抗冻性好

D．抗腐蚀性好

吃中餐请用左侧湿手巾

A narrowing of your work interests is implied in almost any transition from a study environment to managerial or professional work. In the humanities and social sciences you will at best reuse only a fraction of the material (1) in three or four years’ study. In most career paths academic knowledge only (2) a background to much more applied decision-making. Even with a " training " form of degree, (3) a few of the procedures or methods (4) in your studies are likely to be continuously relevant in your work. Partly this (5) the greater specialization of most work tasks compared (6) studying. Many graduates are not (7) with the variety involved in (8) from degree study in at least four or five subjects a year to very standardized job (9) . Academic work values (10) inventiveness, originality, and the cultivation of self-realization and self-development. Emphasis is placed (11) generating new ideas and knowledge, assembling (12) information to make a " rational " decision, appreciating basic (13) and theories, and getting involved in fundamental controversies and debates. The humanistic values of higher (14) encourages the feeling of being (15) in a process with a self-developmental rhythm. (16) , even if your employers pursue enlightened personnel development (17) and invest heavily in " human capital " —for example, by rotating graduate trainees to (18) their work experiences—you are still likely to notice and feel (19) about some major restrictions of your (20) and activities compared with a study environment.

4（）

A.practiced

B.described

C.encountered

D.analyzed

厂房、仓库符合下列哪些条件时，可以设置一个安全出口（）？

A.甲类厂房，每层建筑面积不超过100m²，且同一时间的生产人数不超过5人

B.乙类厂房，每层建筑面积不超过150m²，且同一时间的生产人数不超过10人

C.丙类厂房，每层建筑面积不超过250m²，且同一时间的生产人数不超过15人

D.丁、戊类厂房，每层建筑面积不超过400m²，且同一时间内的生产人数不超过30人

E.地下、半地下厂房或厂房的地下室、半地下室，其建筑面积不大于50m2且经常停留人数不超过15人