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问题 单项选择题

在国外被称之为“交钥匙工程”招标的建设工程招标为( )招标。

A．建设监理
B．工程施工
C．建设项目总承包
D．工程勘察设计

答案

参考答案：C

解析：建设项目总承包招标，又叫建设项目全过程招标，在国外称之为“交钥匙工程”招标。

阅读理解
Stress is everywhere in our everyday life. Not only men have it, but also women and young people.
The most important reasons of stress are: death, diseases, exams, making money, getting married, moving houses, changing jobs, ending friendships and so on.
How do you know whether you have stress or not? Could you give your answers to the following questions?
Stress Test
Do you...
Yes
No
Easily get angry?
 
 
Often sleep badly?
 
 
Get headaches a lot?
 
 
Take medicine to help sleep?
 
 
Find it difficult to relax?
 
 
Usually hide your feeling?
 
 
Smoke and drink a lot to keep quiet?
 
 
Find it difficult to put your heart into something?
 
 
If your answer "Yes" to more than two of these questions, you are one of those people with stress. So what can you do about it?
Doing relaxing exercises, talking with friends and listening to light music are all usual ways of relieving (减轻) stress. However, doctors now say that there are easier ways-people should laugh and smile more often. When you laugh and smile, your body relaxes. They also say that people, especially men, should   X  more often, because crying is a natural way of relieving stress.
小题1:Which of the following is NOT the reason of the stress?
A．Taking exams.B．Changing jobs.
C．Taking medicine to help sleep.D．Making money.
小题2:According to the passage, which of the following is true?
A．Women and young people never have stress.
B．Stress is everywhere in our everyday life.
C．People who answer "No" to all of the questions have great stress.
D．People who answer "Yes "to more than two of the questions have no stress.
小题3:"X" in the passage should be the word "     ".
A．cryB．laughC．smileD．smoke
小题4:The main idea of the passage is      .
A．about stress and how to relieve your stress
B．that there are many reasons for having stress.
C．that laughing and smiling more can help relieve your stress.
D．that doing the Stress Test is a good way to help you live a better life.
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选择题

为除去下列物质中的杂质（括号内是杂质），下列操作方法正确的是（　　）

选项物质操作方法
AFe（Fe2O3）加入过量稀盐酸，充分反应后过滤
BCa0粉末（CaCO3粉末）加足量的水，充分搅拌后过滤
CNaOH溶液[Ca（OH）2溶液]通入过量CO2气体，充分反应后过滤
DCuSO4溶液（硫酸）加入过量Cu0粉末，加热，充分反应后过滤

A．A

B．B

C．C

D．D
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