[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnrNT0DVF5WrfE6WMOWl8v6fvsK17wyhD9-fNBrnYAMM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-15 05:12:08",221394532,[8,9,10,11],"执行10次","执行无限次","一次也不执行","执行1次",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},40,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46719966","第四章 循环结构","以下while循环中,循环体执行的次数是( ). k=1; while(k--) k=6",[21,32,41,50,58,61,69,75,84,93],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],221394528,[25,26,27,28],"continue语句的作用是结束整个循环的执行","只能在循环体内和switch语句体内使用break语句","在循环体内使用break语句或continue语句的作用相同","从多层循环嵌套中退出时,只能使用goto语句","以下正确的描述是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],221394529,[36,37,38,39],"0","1","2","成立","while循环语句中,while后一对圆括号中表达式的值决定了循环体是否进行,因此,进入while循环后,一定要有能使此表达式的值变为( )的操作,否则,循环将会无限制地进行下去",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],221394530,[45,46,47,48],"1,1,1,5","1,2,3,4","0,0,0,50","死循环","下列程序的输出结果是( ). int main() { int a=0,b=0,c=0,i; for(i=0;i<4;i++) { switch(i) { case 0:a=++i; case 1:b=i++; case 2:c=--i; case 3:i--; } } printf("%d,%d,%d,%d\\n",a,b,c,i); return 0; }",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":30,"type":31},[],221394531,[54,55,56,48],"531","420","654321","下列程序的输出结果是( ). int main() { int i=6; while(i--) printf("%d",--i); printf("\\n"); return 0; }",{"answer":59,"createTime":5,"id":6,"options":60,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":62,"createTime":5,"id":63,"options":64,"question":68,"source":30,"type":31},[],221394533,[37,65,66,67],"10","6","死循环,不能确定次数","以下循环中,while循环的次数是( ). int main() { int i=0; while(i<5) { if(i<1) continue; if(i==5) break; i++; } return 0; }",{"answer":70,"createTime":5,"id":71,"options":72,"question":74,"source":30,"type":31},[],221394534,[36,37,73,73],"","在do-while循环中,循环由do开始,用while结束;在while表达式后面的( )不能丢,它表示do-while语句的结束",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":30,"type":31},[],221394535,[79,80,81,82],"无限循环","循环次数不定","执行3次","执行2次","执行for(x=1,y=0;(y!=1)&&(x<4);x++);的结果为( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":30,"type":31},[],221394536,[88,89,90,91],"for(表达式1;0;表达式3)","for(表达式1;1;表达式3)","for(表达式1;表达式1;表达式3)","for(表达式1;表达式3;表达式3)","对于 for(表达式1; ;表达式3)可理解为( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":100,"source":30,"type":31},[],221394537,[97,98,99,38],"9","8","3","若int i,j;,则for(i=j=0;i<10&&j<8;i++,j+=3)控制的循环体执行的次数是( )"]