顶层建议为数组:[{...},{...}]。每题字段:title / type / options / answer / explanation
[
{
"type": "单选题",
"title": "1+1等于多少?",
"options": [
{ "label": "A", "content": "1" },
{ "label": "B", "content": "2" },
{ "label": "C", "content": "3" },
{ "label": "D", "content": "4" }
],
"answer": "B",
"explanation": "基础数学运算,1加1等于2。"
},
{
"type": "多选题",
"title": "以下属于偶数的是?",
"options": [
{ "label": "A", "content": "2" },
{ "label": "B", "content": "3" },
{ "label": "C", "content": "4" },
{ "label": "D", "content": "5" }
],
"answer": "AC",
"explanation": "能被2整除的数是偶数,2和4符合条件。"
},
{
"type": "判断题",
"title": "3是偶数。",
"options": [],
"answer": "错误",
"explanation": "3不能被2整除,属于奇数。"
},
{
"type": "简答题",
"title": "简述什么是奇数。",
"options": [],
"answer": "不能被2整除的整数叫做奇数,比如1、3、5等。",
"explanation": ""
},
{
"type": "填空题",
"title": "2+3等于____。",
"options": [],
"answer": "5",
"explanation": "基础加法运算,2加3的结果是5。"
},
{
"type": "填空题(如有两个空的情况以空格隔开)",
"title": "6可以分成___和___",
"options": [],
"answer": "2 4",
"explanation": "2加4等于6,是6的一种拆分方式。"
}
]