JSON 填空题：测试你的知识

{
"questions": [
{
"id": 1,
"question": "中国的首都是'1'。",
"answer": "北京"
},
{
"id": 2,
"question": "世界上最高的山峰是'1'山。",
"answer": "珠穆朗玛峰"
},
{
"id": 3,
"question": "太阳是一颗'1'。",
"answer": "恒星"
}
]
}