[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6r5Plk5ms4FK2GjGEtHkYPBIPGMdOTIGgWcDTobol9E":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-28 17:41:15",5833596,[8,9,10,11],"-62000","0.123","5","E3",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},114,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","dd04987667744365a05b579eb191beeb","第2章 用C语言编写程序","以下选项中不合法的实型常量是( )",[21,32,41,44,53,63,70,79,86,95],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],5833594,[25,26,27,28],"'2'","'ab'","'\\n'","'\\101'","下列不合法的字符常量是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],5833595,[36,37,38,39],"'\\"'","'\\ee'","'\\018","'xab'","下列合法的转义字符是( )",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],5833597,[48,49,50,51],"2","2.5","2.0","1","若已定义x和y为double型变量,则表达式x=1,y=x+3\u002F2的值是( )",{"answer":54,"createTime":55,"id":56,"options":57,"question":62,"source":30,"type":31},[],"2026-05-27 12:38:15",5833598,[58,59,60,61],"5,4,4","5,5,4","5,4,5","4,5,4","执行语句"x=(a=5,b=a--)"后,x,a,b的值分别是( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":69,"source":30,"type":31},[],5833599,[67,51,68,10],"6","0","已知int x=5,y=5,z=5;则执行语句x%=y+z;后,x的值是(",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],5833600,[74,75,76,77],"18","14","30","10","表达式(k=3*2,k+4),k*3的值是( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":85,"source":30,"type":31},[],5833601,[83,84,51,68],"4","3","下面程序的输出结果是( ).#include<stdio.h>void main(){ int x=10,y=3,z; printf("%d\\n",z=(x%y,x\u002Fy)); }",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],5833602,[90,91,92,93],"float","double","int","char","经过下述赋值后,变量x的数据类型是( ).float x=21.0;int y; y=(int)x",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],5833603,[99,100,101,102],"x=13,y=3.600000","x=13.5,y=3.60000","x=13,y=3","x=13,y=3.6","执行以下程序后,输出结果为#include<stdio.h>void main(){int x;float y;y=3.6;x=(int)y+10;printf("x=%d,y=%f",x,y);}"]