问题 单项选择题

关于维护软件所需的成本,以下叙述正确的是______。

A.纠正外部和内部设计错误比纠正源代码错误需要更大的成本

B.与需求定义相比,源代码的文字量大得多,所以源代码的维护成本更高

C.用户文档需要经常更新,其维护成本超过了纠正设计错误的成本

D.需求定义的错误会在设计时被发现并纠正,因此需求定义纠错的成本小于源代码纠错的成本

答案

参考答案:A

阅读理解

阅读理解。

     根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两

项为多余选项。

     Everyone has got tow personalities-the one that is shown to the world and the other that is secret

and real. You don't show your secret personality when you are awake because you can control your

behavior.   1   In a normal night, of course, people frequently change their positions. The important

position is the one that you go to sleep in.

       2   You normally trust people and you are easily influenced by fashion or new ideas. You don't

like to upset people, so you never express your real feelings. You 're quite shy and you aren't very

confident.

     If you sleep on your stomach, you are a rather secretive person.    3   You're very stubborn, but

you aren't very ambitious. You usually live for today but not tomorrow. This means that you enjoy

having a good time.

     If you sleep curled up, you are probably a very nervous person. You have a low opinion of

yourself and so you're often defensive.    4   You prefer to be on your own. You 're easily hurt.

      If you sleep on your side, you have usually got a well-balanced personality. You know your

strengths and weaknesses. You're usually careful. You believe in yourself. You sometimes feel

anxious, but you don't often get depressed.   5  

A.You worry a lot and you're always easily upset.

B. But when you're asleep, your sleeping position shows the real you.

C. If you go to sleep on your back, you're a very open person.

D. You lock yourself in the room and no best friends.

E. You're shy and you don't normally like meeting people.

F. In a whole, your personality partly depends on your sleeping position.

G. You always say what you think even if it makes people rather angry.

问答题 简答题