开放式实验大作业,占总成绩的20%。 实验程序和实验报告的综合成绩由学生在SPOC里互评,教师对学生
空白(2)处应选择()
A. =COUNT(E3:E10,>=60)和=COUNT(E3:E10,<60)B. =COUNT(E3:E10,">=60"和=COUNT(E3:E10,"<60")C. =COUNTIF(E3:E10,>=60)和=COUNTIF(E3:E10,<60)D. =COUNTIF(E3:E10,">=60")和=COUNTIF(E3:E10,"<60")
空白(2)处应选择()
A. =COUNT(E3:E10,>=60)和=COUNT(E3:E10,<60)B. =COUNT(E3:E10,">=60")和=COUNT(E3:E10,"<60")C. =COUNTIF(E3:E10,>=60)和=COUNTIF(E3:E10,<60)D. =COUNTIF(E3:E10,">=60")和=COUNTIF(E3:E10,"<60")
程序运行时输入ABC,则输出结果为:
A、ABC
B、ABC9
C、123456ABC
D、ABC456789
A、gets(s+2);
B、scanf("%20s",s);
C、int i; for(i=0;i<17;i++) s[i]="getchar();"> D、char c; int i=0; while(c=getchar()!='\n') s[i++]=c;
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