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问题 单项选择题

相比较的两个方案的各年净流量差额的现值之和等于零时的折现率属于( )。

A．财务内部收益率

B．社会折现率

C．差额投资内部收益率

D．差额投资收益率

答案

参考答案：C

阅读理解
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Choose the best choice from A、B or C according to what you read.
1. If Mary wants to be an assistant, she can phone the number______. 
A. 2853527              
B. 4323577
C. 4332577
2. You can get a 10% discount on any books if you______at the Book Store.
A. show this voucher
B. buy some tickets
C. buy some gifts
3. There are several kinds of books on sale except______.     
A. children's books
B. travel guides
C. magazines
4. ______lost the white cat.       
A. Cathy
B. The assistant
C. Carrie
5. The assistant has lunch at the restaurant, she should______.        
A. pay nothing            
B. call 4323577
C. work on Monday  
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判断题

纺化纤时，并条罗拉握持距应比纺棉时小，以有效控制纤维。
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