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问题 单项选择题

当初步设计的设备清单不完备，只有主体或仅有成套设备重量时，设备安装工程概算的编制方法应采用( )。

A．预算单价法
B．概算定额法
C．扩大单价法
D．安装设备百分法

答案

参考答案：C

解析： 设计概算的编制方法

阅读理解

阅读理解

Hi, Tim: 

       Thank you for your invitation to visit your school next week, I am sorry I can't come. I'm not free next week. On Monday, I am having a piano lesson from 8:00 to 10:00 in the morning, and I have to study for

the math test in the evening. On Tuesday, I am meeting a friend from my hometown at the train station. On Wednesday, I'm playing football with my friends. I have to look after my sick grandpa on Thursday. On

Friday, I'm helping one of my classmates to study English. I'm really busy the whole week.

                                                                                                                                                  Yours,

                                                                                                                                                   Frank

1. Why can't Frank visit Tim's school next week?

A. Because he has a piano lesson.      

B. Because he is busy.

C. Because he is ill.                  

D. Because he is playing football with his friends.

2. How long is Frank having a piano lesson on Monday?

A. One hour.      

B. At 8:00 o'clock.    

C. Two hours.    

D. At 10:00 o'clock.

3. Where is Frank meeting his friend on Tuesday?

A. At the train station.  

B. From his hometown.  

C. At a bus station.  

D. At school.

4. Who is Frank going to look after next week?

A. His friend.          

B. His classmates.    

C. His grandma.  

D. His grandfather.
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单项选择题 案例分析题

青光眼患者的眼内压约在2.9～5.6kPa范围，无青光眼者的眼内压约在1.9～3.5kPa范围内，因此可认为

若筛检标准定为2.9kPa，该试验灵敏度与特异度的关系为（）

A.灵敏度高，特异度低

B.灵敏度低，特异度高

C.灵敏度和特异度均高

D.灵敏度和特异度均低

E.不确定
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