问题 单项选择题

下列关于建设项目敏感性分析临界点的表述中,正确的是()。

A.临界点是指项目由盈利变为亏损的临界数值

B.临界点只能由具体数值表示

C.临界点越高,敏感程度越高

D.临界点是指项目不确定因素的变化使项目由可行变为不可行的临界数值

答案

参考答案:D

解析:

临界点是指不确定因素的变化使项目由可行变为不可行的临界数值;临界点可用百分率表示,也可用该百分率对应的具体数值表示;敏感度系数高,表示项目效益对该不确定因素敏感程度高。

阅读理解

阅读理解。

    Do you often talk with your parents? Here is some advice (建议) on how to talk with

them.

    Try to start your talk with something fun. This will make talking easier. For example,

ask them questions about their day. How's work? They love this.

    Make it clear what you want to tell your parents. If they have an opinion (观点), let

them finish and don't stop their talking. Ask them to do the same for you.

    Show them respect (尊重) by listening to them carefully. Look them in the eye (直视). 

    Be honest (诚实). Honesty builds trust (信任). Life is good when your parents trust

you.

    If your parents don't understand. Tha't OK. It doesn't mean they don't love you.

Sometimes you have to explain the things to them again.

    When you finish the talk, thank them for listening. Say something like, "Thanks, that

helped". It will let them know this is important to you, and make them want to do it more

often.

1. If you want to start the talk easily, you should say something _____ at the beginning.[ ]

A. fun

B. dishonest

C. sad

D. unhappy

2. While talking to the parents, you should look them in the eye to show you _____ them. [ ]

A. dislike

B. understand

C. respect

D. agree with

3. When the parents don't understand you, you can _____. [ ]

A. ask them to stop

B. argue (争论) with them

C. look them in the eye

D. explain you idea to them

4. When you finish the talk, you should _____ your parents for listening. [ ]

A. say goodbye to

B. thank

C. say sorry to

D. ask

5. What's the main idea of this passage? [ ]

A. We should respect our parents.

B. It's important to trust our parents.

C. We should love our parents.

D. Some ways to communicate (沟通) with our parents.

填空题