问题 阅读理解

根据短文内容,选择正确答案。

     We have twenty minutes' rest between classes. Look! Most of us are playing during the break time.

  Some students are on the playground. They are playing basketball. Oh! A boy is running with the ball.

 And another is trying to stop him. They look so cool. And there are some girls watching the game. Some

 students are in the classroom, They are talking. A few of them are reading and doing homework. Look!

  A girl is looking at the birds in the tree in front of the classroom. She must be thinking of something

 interesting because she is smiling (微笑) .

     What are the teachers doing? Some of them are working in the office. And some are talking with

 students. Everyone is doing his or her things, busy but happy !

l. Where are the students playing basketball?

    A. In front of the tree.

    B.  In front of the classroom.

    C. On the playground.

    D. In the tree.

2.  A girl is looking at the birds.  She is _____.    

     A. happy

     B. cool

     C. interesting

     D. exciting

3. What are the teachers doing?

    A. Working or talking with students.

    B. Having a basketball game.

    C. Playing with the students.

    D. Looking at the birds.

4. There are _____ students in the classroom.

    A. no          

    B. some

    C. few        

    D. many

5. The passage is mainly(主要) about _____.

    A. students

    B. a basketball game

    C. break time activities

    D. teachers

答案

1—5:  CAABC

单项选择题
问答题

A公司拟进行一项完整工业项目投资,现有甲、乙、丙三个可供选择的互斥投资方案。已知相关资料如下:
资料一:已知甲方案的净现金流量为:NCF0=-500万元,NCF1=-100万元,NCF2=-20万元,NCF3~6=150万元,NCF7~12=280万元。假定运营期不发生追加投资,建设期资本化利息为10万元,甲公司所在行业的基准折现率为16%。
资料二:乙、丙两个方案在不同情况下的各种投资结果及出现概率等资料见表:
                                            金额单位:万元

乙方案丙方案
出现的概率净现值出现的概率净现值
投资的结果理想0.31000.4200
一般0.4600.6100
不理想0.31000
净现值的期望值-(A)-140
净现值的方差-*-(B)
净现值的标准离差-(C)-*
净现值的标准离差率-61.03%-(D)

  已知:(P/F,16%,1)=0.8621,(P/F,16%,2)=0.7432,(P/F,16%,6)=
  0.4104,(P/A,16%,4)=2.7982,(P/A,16%,6)=3.6847
  要求:
  (1) 指出甲方案的建设期、运营期、项目计算期、原始投资、项目总投资;
  (2) 计算甲方案的下列指标:
  ①包括建设期的静态投资回收期;
  ②净现值(结果保留小数点后一位小数)。
  (3) 计算表中用字母表示的指标数值(要求列出计算过程);
  (4) 根据净现值指标评价上述三个方案的财务可行性;
  (5) 如果三个方案的原始投资相同且计算期相等,请确定应该选择哪个方案。