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问题 单项选择题

在模糊综合评价法中，确定评价对象因素ui在指标集合U中的权重可利用下列哪经验种方法测定：（）

A、层次分析法

B、专家咨询法

C、比较分析法

D、系统分析法

答案

参考答案：B

解答题
完成下列各题：
（1）计算：|1-
2
|+(
3
-2)0-(-
1
2
)-2．
（2）已知m＞0、n＞0、m≠n，试比较分式
m+n
2
与分式
2mn
m+n
的大小．
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改错题

短文改错(共10小题；每小题1.5分，满分15分)

It was 7:15 in the morning of February 8, 2007.        

1. ___________

I was walking along Park Road towards the east while             

2. ___________

an old man came out of the park on the other sides of the             

3. ___________

street. Then I see a yellow car drive up Third Street and make        

4. ___________

a right turn into Park Road. The next moment the car hit              

5. ___________

the man while she was crossing the road. He fell with a cry.           

6. ___________

The car didn’t stop and drive off at full speed heading west.        

7. ___________

I noticed the driver was young woman and the plate                

8. ___________

number was AC864. After two minutes later, I stopped                  

9. ___________

a passed car and took the old man to a hospital nearby.               

10. ___________
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