A: FILE*fp=fopen(“D:\mydir\myfile.txt”,”W”);
B: FILE*fp; fp=fopen(“D:\\mydir\\myfile.txt”,”W”);
C: FILE*fp; fp=fopen(“D:\mydir\myfile.txt”,”r”);
D: FILE*fp=fopen(“D:\\mydir\\myfile.txt”,”r”);
举一反三
- 要在D盘MyDir目录下新建一个MyFile.txt文件用于写，正确的语句是（ ）。 A: FILE *fp=fopen("D:\MyDir\MyFile.txt","w"); B: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","w"); C: FILE *fp; fp=fopen("D:\MyDir\MyFile.txt","r"); D: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","r");
- 要在D盘MyDir目录下新建一个MyFile.txt文件用于写，正确的语句是（ ）。 A: FILE *fp=fopen("D:\MyDir\MyFile.txt","w"); B: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","w"); C: FILE *fp; fp=fopen("D:\MyDir\MyFile.txt","r"); D: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","r");
- 要在D盘MyDir目录下新建一个MyFile.txt文件用于写，正确的语句是（ ）。 A: FILE *fp=fopen("D:\MyDir\MyFile.txt","w"); B: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","w"); C: FILE *fp; fp=fopen("D:\MyDir\MyFile.txt","r"); D: FILE *fp; fp=fopen("D:\\MyDir\\MyFile.txt","r");
- 若有定义FILE *fp; 以“只读”方式打开文件C:\test\myfile.txt的正确语句是 A: fp = fopen("C:\test\myfile.txt","r"); B: fp = fopen("C:\\test\\myfile.txt","r"); C: fp = fopen("C:\test\myfile.txt",'r'); D: fp = fopen("C:\\test\\myfile.txt",'r');
- 以只读方式打开一个已存在的文本文件ab.txt，以下选项中正确的是______。A. FILE *fp;fp=fopen("ab.txt","a");B. FILE *fp;fp=fopen("ab.txt","w");C. FILE *fp;fp=fopen("ab.txt","r");D. FILE *fp;fp=fopen("ab.txt","rb+"); A: FILE *fp;fp=fopen("ab.txt","a"); B: FILE *fp;fp=fopen("ab.txt","w"); C: FILE *fp;fp=fopen("ab.txt","r"); D: FILE *fp;fp=fopen("ab.txt","rb+");
内容
- 0
【13.2】要打开一个已存在的非空文件“file”用于修改，正确的语句是（ ） A: fp = fopen(“file”, “r”); B: fp = fopen(“file”, “a+”); C: fp = fopen(“file”, “w”); D: fp = fopen(“file”, “r+”);
- 1
要打开一个已存在的非空文件“file”用于追加,以下语句正确的是()。 A: fp=fopen("file","r"); B: fp=fopen("file","w"); C: fp=fopen("file","r+"); D: fp=fopen("file","a+");
- 2
要打开一个已存在的非空文件"file"用于修改，选择正确的语句＿＿＿＿。 A: A)fp=fopen("file","r")； B: B)fp=fopen("file","a+")； C: C)fp=fopen("file","w")； D: D)fp=fopen('file","r+")；
- 3
若要用只读方式打开d:\a.txt文件，则需要执行（） A: FILE *fp;fp=fopen（d:\a.txt,r）; B: FILE *fp;fp=fopen（d:\\a.txt,r）; C: FILE *fp;fp=fopen（d:\a.txt,r+）; D: FILE *fp;*fp=fopen（d:\a.txt,w）
- 4
以只读方式打开一个已存在的文件文本ab.txt，以下选项中正确的是_____。 A: FILE *fp, fp=fopen(“ab.txt”,“a”); B: FILE *fp, fp=fopen(“ab.txt”,“w”); C: FILE *fp, fp=fopen(“ab.txt”,“r”); D: FILE *fp, fp=fopen(“ab.txt”,“rb+”);