题目内容

5岁以后幼儿集合概念的发展及其特点是:初步的集合运算阶段

A. 对
B. 错

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4岁左右幼儿集合概念的发展及其特点是:集合的数量感知阶段

A. 对
B. 错

U107 Summary of Text ADirections: Complete the following passage with words chosen from this unit. The initial letter of each is given.Being a good boss has never been easy for me. The most difficult part is not about work, but about 1) d_____________ with relationships at the workplace. As each and every employee in my company is 2) s_____________ to its development, I need to give enough 3) a____________ and care to everyone and to be apprachable to all.At the start of the business, I encountered difficult situations and was unsure what the best way was to handle them. For example, when an employee make a mistake, I hesitated about whether to scold him or her. Would I appear to be an 4) i____________boss to my employees if I did so? Would they continue to make mistakes if I was too lenient? Sometimes, I had to 5) s____________ disputes among the employees if they did not see eye to eye with each other on some tasks. This too was difficult. Should I blame any party or should I defend anyone? How would I bring them to see their differences and find solutions without hurting each other?Sometimes I also 6) e____________ difficult employees who seemed to feel 7) m____________ whatever I did for them. Life has never been easy, but I have learned the ropes along the way. The essential principle is to treat the employees 8) ____________, appreciate their contributions to the company and reward them accordingly. My empoyees are happy to lhave me as their boss, and are offering me all the 9) a___________ they could. They have great 10) e______________ for their work and have contributed significantly to the company's development.

采用资本成本比较法进行最优资本结构决策时,应该选择( )最小的筹资组合方案。

A. 综合资本成本
B. 债务资本成本
C. 股权资本成本
D. 个别资本成本

下列关于最佳资本结构的表述中,正确的是( )。

A. 最佳资本结构在理论上是存在的
B. 资本结构优化的目标是提高企业价值
C. 企业综合资本成本最低时资本结构最佳
D. 企业最佳资本结构应该是长期稳定的

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