问题 单项选择题

在软件的生命周期中,下列说法中错误的是______。

A.软件生命周期分为计划、开发和运行3个阶段

B.在开发初期要进行可行性研究和详细设计

C.在开发后期要进行代码编写和软件测试

D.运行阶段主要是进行软件维护

答案

参考答案:B

解析: 本题考查点是软件生命周期中的几个阶段。在软件的生命周期中,通常经历计划阶段、开发阶段和运行阶段。计划阶段进行问题定义和可行性研究。开发阶段的开发初期要进行需求分析、总体设计和详细设计;开发后期进行代码编写和软件测试。运行阶段进行软件维护以及系统的修改和扩充。综上所述,可行性研究和详细设计不是在开发初期要完成的任务。

选择题
阅读理解
Our lifestyles today are very busy. We have family, school, sports, entertainment and social activities to fit into a time that seems never enough. We need to be healthy to meet the demands of daily life. But what does it mean to have a healthy lifestyle?
To have a healthy lifestyle, we need to:
◆ eat different kinds of healthy food most of the time
◆ do exercise often
◆ have time to relax
◆ get enough sleep to give our bodies time to grow healthy and strong
Read about a normal day in the lives of two children.

Abbey gets up at 7:00 am, feeds the dog, and has cereal and a glass of juice for breakfast.  She walks to school with her friend, Julia. She has a bag of chips for a morning snack, drinks water, and has a chicken and lettuce sandwich with a banana for lunch. She likes to play soccer with her friends at lunch and morning break time. She walks home with Julia, has some crackers with cheese and juice for afternoon snack and plays with the dog for a while. She plays computer games for an hour or two before dinner, then has a shower and does her homework. She watches her favorite television show for an hour, then usually goes to bed at about 9:30 pm.
Carl gets up at 8:30 am and has two pieces of bread with jam and a glass of milk for breakfast. His mother drives him to school on her way to work. He eats cookies with juice for morning snack and a pot pie ordered from the school lunch room with juice for lunch. He likes to play card games with his friends at lunchtime and climb the fixed equipment at morning break time. He catches the bus home, has a cereal bar and a can of soda for afternoon snack, then watches some television. He has a shower before dinner, then plays the computer for an hour or two. He goes to bed at about 10:30 pm.
No matter which kind of lifestyle you agree on, just remember it’s important to balance all aspects of life.
小题1:About a healthy lifestyle, the writer doesn’t talk about __________.
A.dietB.exerciseC.relaxationD.medicine
小题2:What can we learn from the article?
A.Abbey plays soccer with her friends at school.
B.Abbey does her homework first after school.
C.Carl goes to school by bus every day.
D.Carl has juice for breakfast.
小题3:Where is the article probably from?
A.A health magazine.
B.A clothing website.
C.A sports guidebook.
D.A travel advertisement.