[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftXaYxQhy_rQQ37sFDSbk8iGj_2Fgk2A4QvL4G0QVu-4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-04-24 21:44:58",140105564,[8,9,10,11],"使文件位置指针重新返回文件的开始位置","将文件位置指针指向文件中所要求的特定位置","使文件位置指针指向文件的末尾","使文件位置指针自动移至下一个字符位置",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"a73aeefc03eac6aa9648b064533afd79","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8c9dbf7916a8d8c1da00fab3aae2ba87.jpg","C程序设计","work_34552453","第8周文件","函数rewind(fp)的作用是( )",[21,32,41,50,59,68,77,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],140105558,[25,26,27,28],"ferror( )","rewind( )","fopen( )","fclose( )","将文件位置指针重新设置到文件开始位置的函数是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],140105559,[36,37,38,39],"1","0","-1","一个非0值","若文件指针变量fp已正确定义并指向某个文件,当未遇到该文件结束标志时,函数feof(fp)的值为( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],140105560,[45,46,47,48],"得到文件位置指针的当前值","移动文件位置指针","初始化文件位置指针","以上答案均正确","函数ftell(fp)的作用是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],140105561,[54,55,56,57],"二进制文件打开后可以先读文件的末尾","程序结束前,应当用fclose函数关闭已打开的文件","在利用fread函数从二进制文件中读数据时,可以用数组名给数组中所有元素读入数据","不可以用FILE定义指向二进制文件的指针变量","以下叙述中错误的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],140105562,[63,64,65,66],"fp=fopen("Demo","r")","fp=fopen("Demo","ab+")","fp=fopen("Demo","w+")","fp=fopen("Demo","r+")","如果需要打开一个已经存在的非空文本文件"Demo"进行修改,下面正确的选项是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],140105563,[72,73,74,75],"只写","追加","读或读写","答案B和C都正确","若要使用fgetc( )函数从某一文件读入字符,该文件的打开方式必须是( )",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],140105565,[84,85,86,87],"文件由ASCII码字符序列组成,C语言只能读写文本文件","文件由二进制数据序列组成,C语言只能读写二进制文件","文件由记录序列组成,可按数据的存放形式分为二进制文件和文本文件","文件由数据流形式组成,可按数据的存放形式分为二进制文件和文本文件","下列关于C语言数据文件的叙述中正确的是( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],140105566,[93,94,95,96],"fseek(文件指针,起始点,位移量)","fseek(文件指针,位移量,起始点)","fseek(位移量,起始点,文件指针)","fseek(起始点,位移量,文件指针)","fseek( )函数的正确调用形式是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],140105567,[102,103,104,105],"fwrite(buffer,count,size,fp)","fwrite(fp,size,count,buffer)","fwrite(fp,count,size,buffer)","fwrite(buffer,size,count,fp)","fwrite( )函数的一般调用形式是()"]