有如下程序段: OPEN DATABACE xsxk USE 学生 IN 0 SELECT 学生
A.SUBSTR(学号,1,2)=′03′
B.SUBSTR(学号,2,2)=′03′
C.SUBSTR(学号,3,2)=′03′
D.SUBSTR(学号,4,2)=′03′
A.SUBSTR(学号,1,2)=′03′
B.SUBSTR(学号,2,2)=′03′
C.SUBSTR(学号,3,2)=′03′
D.SUBSTR(学号,4,2)=′03′
有如下程序, 若文本文件f1.txt中原有内容为:good,则运行以下程序后文件f1.txt中的内容为 #include <stdio.h> int main() { FILE *fp1; fp1=fopen("f1.txt","w"); if (fp1 == NULL) { printf("cannot open the file.\n"); exit(0); } fprintf(fp1,"abc"); fclose(fp1); return 0; }
A、abc
B、goodabc
C、good
D、abcgood
(2008年) 已知顺序数据文件FILE3.DAT有如下数据: 50,54,64,55 65,70,85,90 46,73,60,72 阅读FORTRAN程序: DIMENSION M(12) OPEN(10,FILE=‘FILE3.DAT’) READ(10,*)(M(I),I=1,12) DO 10 J=1,12 IF(M(J).GE.60) N=N+1 10 CONTONUE WRITE(*,20)N 20 FORMAT(2X,‘N=’,N) END 程序运行后的输出结果是()。
A.N=7
B.N=8
C.N=4
D.N=9
A.Private Sub Command1_Click() Dim p As Person p. name=Text1. Text p. major=Text2. Text Open"C:\data. dat" For Random As #1 Put #1, 1, p Close #1 End Sub
B.Private Sub Command1_Click() Dim p As Person p. name=Text1.Text p. major=Text2. Text Open"C:\data. dat" For Random As #1 Get #1, 1, p Close #1 End Sub
C.Private Sub Command1_Click() Dis p As Person p. name=Text1. Text p. major=Text2. Text open "C:\data. dat" For Random As #1 Len=Len(p) Put #1, 1, p Close #1 End Sub
D.Private Sub Command1_Click() Dim p As Person p. name=Text1. Text p. major=Text2. Text Open "C:\data. dat" For Random As #1=Len(p) Get #1, 1, p Close #1 End Sub
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