问题 单项选择题

面向数据流的软件设计方法,一般是把数据流图中的数据流划分为什么样的两种流再 将数据流图映射为软件结构

A.数据流与事务流

B.变换流与事务流

C.信息流与控制流

D.变换流与数据流

答案

参考答案:B

解析:面向数据流的设计方法把数据流转换成软件结构,数据流的类型决 定了转换的方法。有两种类型的数据流:变换流和事务流。

改错题

附加题:指错(下面每句话中有一处错误,从A、B、C、D中选出错误的一项,勿需改正。)

1. It was very kind for them to meet me at the railway station. ______

    A                       B              C           D

2. Some people read the books and watch TV while others have sports. ______

                              A                                     B               C      D

3. They will very happy when I tell them the news. ______

                            A                 B    C           D

4. I had to drive to home because my friend Bob had drunk too much beer. ______

                 A          B                                                C                    D

5. I'll have the car wait at the gate. Will that be all right? ______

                 A               B                           C        D

6. Tom and Jane went on do their homework till midnight. ______

                           A         B               C                D

7. I want to thank you again for have me in your home for the holiday. ______

                    A                          B         C                  D

8. That pair of trousers of yours are very dirty, you'd better clean it. ______ 

                          A             B     C                                      D

9. Know some everyday English will be of great help. ______

       A                  B                                 C      D

10. We hope you a pleasant trip back home. ______

             A          B              C            D

问答题 简答题