Double click on the _____ to open the file.
举一反三
- 下面哪个命令用来输入扩展名是DWG的文件( )。 A: File/Open B: File./Import C: File/Xref D: File/Merge
- The function rewind can .? move the file pointer to the end of the file.|move the file pointer to the specific location of the file.|move the file pointer to the beginning of the file.|move the file pointer to the location of the next character.
- 要建立文件流并打开当前目录下的文件file. dat用于输入,下列语句中错误的是______。 A: ifstream fin=ifstream. open("file. dat"); B: ifstream *fin=new ifstream("file. dat"); C: ifstream fin; fin. open("file. dat"); D: ifstream *fin=new ifstream(); fin->open("file. dat");
- 若在程序中以追加写的方式打开文件file,则执行下列哪条语句?file若不存在则创建。 A: open("./file",O_RDONLY|O_CREAT|O_TRUNC) B: open("./file",O_WRONLY|O_CREAT|O_APPEND) C: open("./file"O_WRONLY|O_APPEND) D: open("./file",O_RDWR|O_CREAT|O_TRUNC)
- To save (保存) the changes in an ______ file, you need to save this file. A: exist B: existed C: existing D: existence