**基本信息** 接口地址：`http[s]://api.12xue.com/practice/ggzzbhtx` 请求方式：`GET` 请求类型：`application/x-www-form-urlencoded` 响应类型：`json` **请求头** |参数名|必选|描述|默认值| |---|---|---|---| |Token|否|用户唯一token|-| |Source|是|客户端来源标识|-| |Version|是|客户端当前版本号|1.0.0| |Identity|否|用户角色|-| **参数** |参数名|必选|类型|描述|默认值| |---|---|---|---|---| |hwid|是|string|作业id|-| |uid|是|string|学生uid|-| |jieid|是|string|章节id|-| **返回示例** - success ```json { "ret": 0, "msg": "ok", "data": [{ "sys_id": "1215276592856733226", "xtid": "1088147031128812556", "uid": "1034145308280456371", "sxda": "1089147031128813063", "xsbjid": null, "xkid": null, "njid": null, "bbid": null, "sxcid": null, "dyid": null, "jieid": null, "kcid": "1522286323261059002", "xt_type": 1, "is_ctb": 1, "is_unable": 0, "is_push": 0, "is_true": 2, "is_important": 0, "is_complete": 1, "accuracy": 0, "is_auto": 1, "tuid": "0", "push_num": 0, "version": 43, "create_time": 1470311288, "update_time": 1470311288, "id": "1088147031128812556", "tg": "【题文】在一密闭容器中有HCHO、H<sub>2<\/sub>、O<sub>2<\/sub>共16.5g，用电火花引燃，使其完全燃烧，再<br \/>将燃烧后的气体用Na<sub>2<\/sub>O<sub>2<\/sub>充分吸收，Na<sub>2<\/sub>O<sub>2<\/sub>增重8.5g，则原混合气体中O<sub>2<\/sub>的物质的量是（   ）A．0.50molB．0.25 molC．0.27 molD．0.52 mol", "tx": "danxt", "da": "1089147031128813452", "nyd": 1, "dajx": "【解析】凡是符合（CO）x（H<sub>2<\/sub>）y形式的物质，电火花引燃完全燃烧，燃烧产物用Na<sub>2<\/sub>O<sub>2<\/sub><br \/>充分吸收，Na<sub>2<\/sub>O<sub>2<\/sub>增重为该物质的质量，CH<sub>2<\/sub>O、H<sub>2<\/sub>、O<sub>2<\/sub>共16.5g，反应后Na<sub>2<\/sub>O<sub>2<\/sub>增重8.5g，<br \/>所以8.5g为CH<sub>2<\/sub>O和H<sub>2<\/sub>质量，O<sub>2<\/sub>质量为8g，混合气体中O<sub>2<\/sub>的物质的量为<br \/>8g\/32g·mol<sup>-1<\/sup>=0.25mol。", "fbrxm": null, "schoolid": "0", "res_type": 1, "options": { "1089147031128813063": { "id": "1089147031128813063", "xtid": "1088147031128812556", "xx": "A", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128813452": { "id": "1089147031128813452", "xtid": "1088147031128812556", "xx": "B", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128813853": { "id": "1089147031128813853", "xtid": "1088147031128812556", "xx": "C", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128814249": { "id": "1089147031128814249", "xtid": "1088147031128812556", "xx": "D", "xxtpdz": null, "description": null, "sort": 0 } }, "daoptions": [{ "id": "1089147031128813452", "xtid": "1088147031128812556", "xx": "B", "xxtpdz": null, "description": null, "sort": 0 }], "daxx": ["B"], "dastr": "B", "nydstr": "较易", "zsdmc": "钠及其化合物、碱金属", "txstr": "单选题", "sxdastr": "A", "xsdastr": "A", "audio": null }, { "sys_id": "1215276592949758112", "xtid": "1088147031128812556", "uid": "1034145308280456371", "sxda": "1089147031128813063", "xsbjid": null, "xkid": null, "njid": null, "bbid": null, "sxcid": null, "dyid": null, "jieid": null, "kcid": "1522286323261059002", "xt_type": 2, "is_ctb": 1, "is_unable": 0, "is_push": 0, "is_true": 2, "is_important": 0, "is_complete": 1, "accuracy": 0, "is_auto": 1, "tuid": "0", "push_num": 1, "version": 43, "create_time": 1470311288, "update_time": 1470311288, "id": "1088147031128812556", "tg": "【题文】在一密闭容器中有HCHO、H<sub>2<\/sub>、O<sub>2<\/sub>共16.5g，用电火花引燃，使其完全燃烧，再<br \/>将燃烧后的气体用Na<sub>2<\/sub>O<sub>2<\/sub>充分吸收，Na<sub>2<\/sub>O<sub>2<\/sub>增重8.5g，则原混合气体中O<sub>2<\/sub>的物质的量是（   ）A．0.50molB．0.25 molC．0.27 molD．0.52 mol", "tx": "danxt", "da": "1089147031128813452", "nyd": 1, "dajx": "【解析】凡是符合（CO）x（H<sub>2<\/sub>）y形式的物质，电火花引燃完全燃烧，燃烧产物用Na<sub>2<\/sub>O<sub>2<\/sub><br \/>充分吸收，Na<sub>2<\/sub>O<sub>2<\/sub>增重为该物质的质量，CH<sub>2<\/sub>O、H<sub>2<\/sub>、O<sub>2<\/sub>共16.5g，反应后Na<sub>2<\/sub>O<sub>2<\/sub>增重8.5g，<br \/>所以8.5g为CH<sub>2<\/sub>O和H<sub>2<\/sub>质量，O<sub>2<\/sub>质量为8g，混合气体中O<sub>2<\/sub>的物质的量为<br \/>8g\/32g·mol<sup>-1<\/sup>=0.25mol。", "fbrxm": null, "schoolid": "0", "res_type": 1, "options": { "1089147031128813063": { "id": "1089147031128813063", "xtid": "1088147031128812556", "xx": "A", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128813452": { "id": "1089147031128813452", "xtid": "1088147031128812556", "xx": "B", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128813853": { "id": "1089147031128813853", "xtid": "1088147031128812556", "xx": "C", "xxtpdz": null, "description": null, "sort": 0 }, "1089147031128814249": { "id": "1089147031128814249", "xtid": "1088147031128812556", "xx": "D", "xxtpdz": null, "description": null, "sort": 0 } }, "daoptions": [{ "id": "1089147031128813452", "xtid": "1088147031128812556", "xx": "B", "xxtpdz": null, "description": null, "sort": 0 }], "daxx": ["B"], "dastr": "B", "nydstr": "较易", "zsdmc": "钠及其化合物、碱金属", "txstr": "单选题", "sxdastr": "A", "xsdastr": "A", "audio": null }] } ``` - error ```json { "ret": -1, "msg": "参数错误或者未定义" } ``` **返回参数说明** |参数名|类型|说明| |---|---|---| |ret |int |状态码 0:成功| |msg |string |状态消息 ok:成功| --: 该接口最后修订时间：2018-05-31 15:54:20 * * * * *