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问题 填空题

设方程x2-mx+1=0两根为α，β，且0＜α＜1，1＜β＜2，则实数m的取值范围是______．

答案

方程x2-mx+1=0对应的二次函数f（x）=x2-mx+1，

方程x2-mx+1=0两根根为α，β，且0＜α＜1，1＜β＜2，

∴

f(0)＞0
f(1)＜0
f(2)＞0

解得2＜m＜

5
2
．

故答案为：2＜m＜

5
2

填空题

一个圆柱体，如果高减少1厘米，它的表面积就减少25.12平方厘米，这个圆柱的底面积是______．
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单项选择题

When women do become managers, do they bring a different style and different skills to the job Are they better, or worse, managers than men Are women more highly motivated and (51) than male managers

Some research (52) the idea that women bring different attitudes and skills to management jobs, such as great cooperativeness, an emphasis on attachment, and a (53) to bring emotional factors to bear in making workplace decisions. These differences are seen to carry advantages for companies, (54) they expand the range of techniques that can be used to (55) the company manage its workforce effectively.

A study commissioned by the International Women’s Forum discovered a management style used by some women managers (and also by some men) that (56) from the command-and-control style traditionally used by male managers. Using this "interactive leadership" approach, "women (57) participation, share power and information, enhance other people’s self-worth, and get others excited about their work. All these (58) reflect their belief that allowing employees to contribute and to feel powerful and important is a win-win (59) —good for the employees and the organization. " The study’s director (60) that "interactive leadership may emerge as the management style of choice for many organizations. \

59().

A.situation 

B.status 

C.circumstance 

D.position
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