[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiwOe-dfQ3qtcKawWmYcPoPhofmEyGSA2QHhD4bVHD_Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-10 22:39:32",57597419,[8,9,10,11],"缩排位置相同的if","在其之前未配对的if","在其之前未配对的最近的if","同一行上的if",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},42,"952958ba27bed877f9753b28211438b1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4086e26dfd1356d15736973b2b90c40a.png","C++程序设计","work_25706618","3 选择结构算法设计和实现","为了避免二义性,C++规定else与( )组成配对关系",[21,32,41,50,59,68,77,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],57597413,[25,26,27,28],"x=2","b=2","x=1","a=5","以下程序流程图框图:若输出的结果为2,则①处的执行框内应填的是( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F41d017e9d31580e1b4b8ffaca8d7317d.jpg\">","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],57597414,[36,37,38,39],"-3,0","-3,-5","0,-5","-3,0,-5","以下流程图若输出0,则输入的x值可以为( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5d8a3b2edba773fb6cf810df29d48b30.jpg\">",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],57597415,[45,46,47,48],"c>x","x>c","c>b","b>c","以下流程图,要求输出三个数中最大的数,则在空白的菱形框中,应该填入( ).\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2dd405190869a5fe077cd0d03789d051.jpg\">",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],57597416,[54,55,56,57],"三者相互等价","三者相互不等价","只有(2)和(3)等价","以上说法都不正确","对下面三条语句,正确的论断是___________.(1)if(a)s1;else s2;(2)if(a==0)s2;else s1;(3)if(a!=0)s1;else s2",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],57597417,[63,64,65,66],"switch语句中default子句可以没有,也可有一个","switch语句中每个case语句序列中必须有break语句","switch语句中default子句只能放在最后","switch语句中case子句后面的表达式只能是整型表达式","以下关于switch语句的描述中,正确的是( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],57597418,[72,73,74,75],"if语句中只有一个else子句","if语句中可以有多个else if子句","if语句中if体内不能是switch语句","if语句的if体中可以是循环语句","以下关于if语句的描述中,错误的是( )",{"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},[],57597420,[84,85,86,87],"23","2323","232323","以上都不对","若x值为23,下面程序代码段输出的结果是( ).if (x > 10){cout<<x;}if (x > 20){cout<<x;}if (x > 30){cout<<x;}",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],57597421,[93,94,95,96],"a=3,b=4","a=3,b=5","a=4,b=4","a=4,b=5","设有int a=2, b=3, c=1;则以下程序段输出结果是( )switch(c){case 0:a++;case 1:a++;b++;case 2:b++;}cout<<"a="<<a<<",b="<<b<<endl",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],57597422,[102,103,104,105],"0","1","2","3","设有int a=2,b=-1,c=2;则以下程序段输出结果是:if(a<b)if(b<0) c=0;else c++;cout<<c"]