| [ |
| { |
| "pid": 1, |
| "question":"这是什么类型的水工挡土墙? ", |
| "image":"images/1.jpg", |
| "choices": ["重力式","衡重式","悬臂式","板桩式","锚杆式","加筋式","扶壁式"], |
| "unit":"null", |
| "precision":"null", |
| "answer":"重力式", |
| "question_type": "mlti_choice", |
| "answer_type": "text" |
| }, |
| { |
| "pid": 2, |
| "question":"水工挡土墙的顶标高是多少？", |
| "image":"images/2.jpg", |
| "choices": "null", |
| "unit": "m", |
| "precision": "2", |
| "answer": "302.70", |
| "question_type":"free_form", |
| "answer_type":"float" |
| }, |
| { |
| "pid": 3, |
| "question":"水工挡土墙的底标高是多少？", |
| "image":"images/2.jpg", |
| "choices": "null", |
| "unit": "m", |
| "precision": "2", |
| "answer": "296.00", |
| "question_type":"free_form", |
| "answer_type":"float" |
| } |
| ] |
