问题 单项选择题

在国际工程投标报价中,当机械设备所占比重较大、使用的均衡性较差、搁置时间过长而使其费用增大时,机械使用费一般宜采用( )进行计算。

A.定额估价法

B.框算估价法

C.作业估价法

D.概算指标法

答案

参考答案:C

解析:作业估价法是以定额消耗标准为依据,并不考虑作业的持续时间。在国际工程投标报价中,当机械设备所占比重较大、使用的均衡性较差、搁置时间过长而使其费用增大时,这种机械搁置无法在定额估价中给予恰当的考虑,一般应采用作业估价法进行计算。

阅读理解

Many teenagers(青少年) feel that the most important people in their lives are their friends. They believe that their family members don’t know them as well as their friends do. In large families, it is quite often for brothers and sisters to fight with each other and then they can only go to their friends for some ideas.

It is very important for teenagers to have one good friend or a group of friends. Even when they are not with their friends, they usually spend a lot of time talking among themselves on the phone. This communication is very important in children’s growing up, because friends can discuss something. These things are difficult to tell their family members.

However, parents often try to choose their children’s friends for them. Some parents may even stop their children from meeting their good friends. Have you ever thought of the following questions?

Who chooses your friends?

Do you choose your friends or your friends choose you?

Have you got a good friend your parents don’t like?

Your answers are welcome.

49. Many teenagers think that ____ can under­stand them better.

A. friends          B. brothers     C. sisters           D. parents

50. When teenagers have something difficult to tell their parents, they usually____.

A. stay alone at home    B. fight with their parents

C. discuss it with their friends  D. go to their brothers and sisters for help

51. The sentence (句子) “Your answers are wel­come. ” means _______.

A. You are welcome to discuss the questions with us

B. We’ve got no idea, so your answers are welcome

C. Your answers are always right

D. You can give us all the right answers

52. Which of the following is the writer’s attitude(态度)?

A. Parents should choose friends for their children.

B. Children should choose everything they like.

C. Parents should understand their children better.

D. Teenagers should only go to their friends for help.

判断题