{
    "choose": [
      {
        "topiceNumber": "1",
        "topicetype": "0",
        "topiceName": "1.在播种前，需对种子进行严格筛选，淘汰不良种子。精选后的种子可用多少浓度的磷酸二氢钾溶液或用3%广枯宁水剂浸泡12～14小时",
        "chooseA": "0.5%",
        "chooseB": "0.2%",
        "chooseC": "0.6%",
        "ChooseD": "0.1%",
        "answer": "0.1%",
        "CurrentOptions": ""
      },
      {
        "topiceNumber": "2",
        "topicetype": "0",
        "topiceName": "2.漂浮育苗棚内的温度应控制在多少之间",
        "chooseA": "10~18℃",
        "chooseB": "20~28℃",
        "chooseC": "30~38℃",
        "ChooseD": "40~48℃",
        "answer": "20~28℃",
        "CurrentOptions": ""
      },
      {
        "topiceNumber": "3",
        "topicetype": "0",
        "topiceName": "在播种前进行精细整地，春季解冻后深翻至多少cm，确保土壤疏松无硬结，为播种和保苗创造良好条件",
        "chooseA": "10~20cm",
        "chooseB": "20～30cm",
        "chooseC": "30～40cm",
        "ChooseD": "40～50cm",
        "answer": "20～30cm",
        "CurrentOptions": ""
      },
      {
        "topiceNumber": "4",
        "topicetype": "1",
        "topiceName": "精选后的种子可用0.1%的磷酸二氢钾溶液或用3%广枯宁水剂浸泡24～48小时",
        "chooseA": "对",
        "chooseB": "错",
        "chooseC": "",
        "ChooseD": "",
        "answer": "错",
        "CurrentOptions": ""
      },
      {
        "topiceNumber": "5",
        "topicetype": "1",
        "topiceName": "2.在整地时应该选择土层深厚、土质疏松、排水良好的壤土或沙壤土，避免低洼易积水地带，以防高粱根部腐烂和减产",
        "chooseA": "对",
        "chooseB": "错",
        "chooseC": "",
        "ChooseD": "",
        "answer": "对",
        "CurrentOptions": ""
      }
    ]
}