下列哪一种是以顺序文件方式打开文件并进行写操作( ).
A: Open "c:\file1.dat" For Output as
B: 1
C: Open "c:\file1.dat" For Input as
D: 1
E: Open "c:\file1.dat" For Print as
F: 1
G: Open "c:\file1.dat" For Write as
H: 1
A: Open "c:\file1.dat" For Output as
B: 1
C: Open "c:\file1.dat" For Input as
D: 1
E: Open "c:\file1.dat" For Print as
F: 1
G: Open "c:\file1.dat" For Write as
H: 1
举一反三
- 用( )语句打开顺序文件File1.txt后,可以进行写操作 A: Open "File1.txt" For Input As B: 1 C: Open "File1.txt" For Output As D: 1 E: Open "File1.txt" For Random As F: 1 G: Open "File1.txt" For Binary As H: 1
- 如果从数据文件 c:\data.txt 中读取数据时,以下打开文件方式中,正确的是( ). A: Open c:\data.txt For Input As B: 1 C: Open c:\data.txt For Output As D: 1 E: Open "c:\data.txt" For Input As F: 1 G: Open "c:\data.txt" For Output As H: 1
- 若要把数据追加到顺序文件D:\Stu.txt末尾,可以使用下列语句实现的是( )。 A: Open "D:\Stu.txt" For Output As B: 1 C: Open "D:\Stu.txt" For Append As D: 1 E: Open D:\Stu.txt For Output As F: 1 G: Open D:\Stu.txt For Append As H: 1
- 要从磁盘上读入一个文件名为"d:\File.txt"的顺序文件,下面程序段正确的是( ). A: Open d:\File.txt For Input As B: 1 C: Open "d:\File.txt" For Output As D: 2 E: Open "d:\File.txt" For Input As F: 2 G: Open "d:\File.txt" For Append As H: 1
- 为了读取数据,需要打开顺序文件“D:\data5.txt”,以下正确的命令是。 A: Open "E:\UserData.txt" For Input As B: 2 C: Open "E:\UserData.txt" For Output As D: 2 E: Open E:\UserData.txt For Output As F: 2 G: Open E:\UserData.txt For Input As H: 1