问题
单项选择题
信息系统的开发方法可以分为两大类，即( )。
A．结构化生命周期和战略数据规划方法
B．预先严格定义的方法和原型化方法
C．自顶向下方法和自下向上方法
D．企业系统规划方法和战略数据规划方法
答案
参考答案：B
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信息系统的开发方法可以分为两大类，即( )。
A．结构化生命周期和战略数据规划方法
B．预先严格定义的方法和原型化方法
C．自顶向下方法和自下向上方法
D．企业系统规划方法和战略数据规划方法
参考答案：B
| Look at the pictures and choose the correct answers. 看图选择正确答案。 |
| ( ) 1. —When is lunch? — . A. At 8:00 B. At 9:00 C. At 12:00 D. At 12 : 30 |  |
| ( ) 2. —How's the weather today? — . A. It's sunny B. It's rainy C. It's windy D. It's cloudy |  |
| ( ) 3. —What day is it? — . A. It's Sunday B. It's Saturday C. It's Thursday D. It's Tuesday |  |
| ( ) 4. —Can you speak English? — . A. No B. OK C. Not D. Don't |  |
| ( ) 5. —What's the date? — . A. It's May 10 B. It's February 10 C. It's June 10 D. It's January 10 |  |