{"code":0,"msg":"success","data":[[{"head_title":"单选题","questions":[{"question_id":"5812695","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"1","master_level":"1","exam_type":"7","evaluated":"0","region_ids":"21","grade_id":"9","question_source":"海南省文昌市罗峰中学2017年中考数学模拟试卷","mode":"2","title":"﹣8的相反数是( )","kid_num":"1","paperid":"437163","save_num":"26","oldqid":"0","explain_sort_need":"0","paper":{"pid":"437163","title":"海南省文昌市罗峰中学2017年中考数学模拟试卷"},"extra_file":"","question_text":"﹣8的相反数是( )","options":{"A":"﹣8","B":"8","C":"","D":""},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":1,"sort2":1,"is_use":0},{"question_id":"2270562","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"下列计算结果,错误的是( )","kid_num":"1","paperid":"675659","save_num":"40","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"下列计算结果,错误的是( )
","options":{"A":"(﹣3)×(﹣4)×(﹣)=﹣3","B":"(﹣)×(﹣8)×5=﹣8 ","C":"(﹣6)×(﹣2)×(﹣1)=﹣12","D":"(﹣3)×(﹣1)×(+7)=21"},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":2,"sort2":2,"is_use":0},{"question_id":"6523157","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"13","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"1500万(即15000000)这个数用科学记数法可表示为( )","kid_num":"1","paperid":"675659","save_num":"22","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"1500万(即15000000)这个数用科学记数法可表示为( )","options":{"A":"1.5×105","B":"1.5×106","C":"1.5×107","D":"1.8×108"},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":3,"sort2":3,"is_use":0},{"question_id":"2280178","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"若多项式2x2+3y+3的值为8,则多项式6x2+9y+8的值为( )","kid_num":"1","paperid":"675659","save_num":"19","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"若多项式2x2+3y+3的值为8,则多项式6x2+9y+8的值为( )","options":{"A":"1","B":"11","C":"15","D":"23"},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":4,"sort2":4,"is_use":0},{"question_id":"2253889","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"下列方程中是一元一次方程的是( )","kid_num":"1","paperid":"675659","save_num":"28","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"下列方程中是一元一次方程的是( )","options":{"A":"x+3=3﹣x","B":"x+3=y+2","C":"=1","D":"x2﹣1=0"},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":5,"sort2":5,"is_use":0},{"question_id":"2273106","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"用一副三角板不可以拼出的角是( )","kid_num":"1","paperid":"675659","save_num":"31","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"用一副三角板不可以拼出的角是( )","options":{"A":"105°","B":"75°","C":"85°","D":"15°"},"sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":6,"sort2":6,"is_use":0},{"question_id":"2271530","question_type":"1","question_channel_type":"1","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"1","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"如果线段AB=6cm,BC=4cm,且线段A、B、C在同一直线上,那么A、C间的距离是( )","kid_num":"1","paperid":"675659","save_num":"29","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"如果线段AB=6cm,BC=4cm,且线段A、B、C在同一直线上,那么A、C间的距离是( )=6
","answer_json":["解:原式=9﹣3=6
"],"explanation":"","pic_answer":"0","pic_explanation":"0","sub_explanation":null,"knowledge":null,"category":null,"done":false,"myanswer":"","sort2":1},{"question_id":"45175315","qsn_id":null,"question_type":"5","question_channel_type":"0","is_explain":"0","is_on_sale":"0","question_status":"0","question_tags":"","chid":"3","xd":"2","create_by":"1348058075_O54gFl","create_uid":"7693066","create_date":"2016-02-28 09:05:09","update_by":"","update_uid":"0","update_date":"2021-07-01 19:45:34","update_reason":"","audit_by":"","audit_uid":"0","audit_date":null,"audit2_by":"","audit2_uid":"0","audit2_date":null,"opinion":null,"parent_id":"6523187","sort":19,"is_objective":"0","difficult_index":"0","master_level":"0","exam_type":"0","evaluated":"0","region_ids":"","grade_id":"0","question_source":"","mode":"2","is_delete":"0","md5sum":"","title":"","kid_num":"0","paperid":"0","save_num":"0","oldqid":"0","explain_sort_need":"0","paper":null,"extra_file":"","question_text":"42+3×(﹣1)3+(﹣2)÷(﹣ )2 . ","options":"","answer":"解:原式=16+3×(﹣1)﹣2×9=16﹣3﹣18
=﹣5
","answer_json":["解:原式=16+3×(﹣1)﹣2×9=16﹣3﹣18
=﹣5
"],"explanation":"","pic_answer":"0","pic_explanation":"0","sub_explanation":null,"knowledge":null,"category":null,"done":false,"myanswer":"","sort2":2}],"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0,"subScore":[0,0]},"sort":18,"sort2":18,"is_use":0},{"question_id":"6523193","question_type":"5","question_channel_type":"6","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"0","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"13","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"1.5,0,﹣3,﹣(﹣5),﹣|﹣4|","kid_num":"1","paperid":"675659","save_num":"56","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"1.5,0,﹣3,﹣(﹣5),﹣|﹣4|","options":"","sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":20,"sort2":19,"is_use":0},{"question_id":"6523195","question_type":"7","question_channel_type":"5","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"0","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"13","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":" 解方程:","kid_num":"1","paperid":"675659","save_num":"44","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":" 解方程:解得:x=6
","answer_json":["解:去分母得:x﹣2=4,解得:x=6
"],"explanation":"","pic_answer":"0","pic_explanation":"0","sub_explanation":null,"knowledge":null,"category":null,"done":false,"myanswer":"","sort2":1},{"question_id":"45175323","qsn_id":null,"question_type":"5","question_channel_type":"0","is_explain":"0","is_on_sale":"0","question_status":"0","question_tags":"","chid":"3","xd":"2","create_by":"1348058075_O54gFl","create_uid":"7693066","create_date":"2016-02-28 09:05:09","update_by":"","update_uid":"0","update_date":"2021-07-01 19:45:33","update_reason":"","audit_by":"","audit_uid":"0","audit_date":null,"audit2_by":"","audit2_uid":"0","audit2_date":null,"opinion":null,"parent_id":"6523195","sort":22,"is_objective":"0","difficult_index":"0","master_level":"0","exam_type":"0","evaluated":"0","region_ids":"","grade_id":"0","question_source":"","mode":"2","is_delete":"0","md5sum":"","title":"","kid_num":"0","paperid":"0","save_num":"0","oldqid":"0","explain_sort_need":"0","paper":null,"extra_file":"","question_text":" = .","options":"","answer":"解:去分母得:3(3y﹣1)﹣12=2(5y﹣7),去括号得:9y﹣3﹣12=10y﹣14,
移项合并得:y=﹣1
","answer_json":["解:去分母得:3(3y﹣1)﹣12=2(5y﹣7),去括号得:9y﹣3﹣12=10y﹣14,
移项合并得:y=﹣1
"],"explanation":"","pic_answer":"0","pic_explanation":"0","sub_explanation":null,"knowledge":null,"category":null,"done":false,"myanswer":"","sort2":2}],"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0,"subScore":[0,0]},"sort":21,"sort2":20,"is_use":0},{"question_id":"6523201","question_type":"5","question_channel_type":"5","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"0","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"13","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"先化简,再求值:2(x3﹣2y2)﹣(x﹣2y)﹣(x﹣3y+2x3),其中x=﹣3,y=﹣2.","kid_num":"1","paperid":"675659","save_num":"50","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"先化简,再求值:2(x3﹣2y2)﹣(x﹣2y)﹣(x﹣3y+2x3),其中x=﹣3,y=﹣2.","options":"","sub_explanation":null,"knowledge":null,"category":null,"is_collect":false,"done":false,"myanswer":"","score":{"score":0},"sort":23,"sort2":21,"is_use":0},{"question_id":"6523203","question_type":"7","question_channel_type":"28","is_explain":"1","is_on_sale":"1","question_status":"2","chid":"3","xd":"2","parent_id":"0","is_objective":"0","difficult_index":"3","master_level":"2","exam_type":"2","evaluated":"0","region_ids":"13","grade_id":"7","question_source":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷","mode":"2","title":"如图,O为直线AB上一点,∠AOC=50°,OD平分∠AOC,∠DOE=90°.","kid_num":"2","paperid":"675659","save_num":"21","oldqid":"0","explain_sort_need":"0","paper":{"pid":"675659","title":"福建省龙岩市连城县2015-2016学年七年级上册数学期末考试试卷"},"extra_file":"","question_text":"如图,O为直线AB上一点,∠AOC=50°,OD平分∠AOC,∠DOE=90°.","options":"","sub_explanation":null,"list":[{"question_id":"45175317","qsn_id":null,"question_type":"5","question_channel_type":"0","is_explain":"0","is_on_sale":"0","question_status":"0","question_tags":"","chid":"3","xd":"2","create_by":"1348058075_O54gFl","create_uid":"7693066","create_date":"2016-02-28 09:05:09","update_by":"","update_uid":"0","update_date":"2024-01-24 11:57:43","update_reason":"","audit_by":"","audit_uid":"0","audit_date":null,"audit2_by":"","audit2_uid":"0","audit2_date":null,"opinion":null,"parent_id":"6523203","sort":24,"is_objective":"0","difficult_index":"0","master_level":"0","exam_type":"0","evaluated":"0","region_ids":"","grade_id":"0","question_source":"","mode":"2","is_delete":"0","md5sum":"","title":"","kid_num":"0","paperid":"0","save_num":"0","oldqid":"0","explain_sort_need":"0","paper":null,"extra_file":"","question_text":"求∠BOD的度数;","options":"","answer":"解:由角平分线的定义,得∠AOD=∠COD= ∠AOC= ×50°=25°.由邻补角的定义,得
∠BOD=180°﹣∠AOD=180°﹣25°=155°
","answer_json":["解:由角平分线的定义,得∠AOD=∠COD= ∠AOC= ×50°=25°.由邻补角的定义,得
∠BOD=180°﹣∠AOD=180°﹣25°=155°
"],"explanation":"","pic_answer":"0","pic_explanation":"0","sub_explanation":null,"knowledge":null,"category":null,"done":false,"myanswer":"","sort2":1},{"question_id":"45175319","qsn_id":null,"question_type":"5","question_channel_type":"0","is_explain":"0","is_on_sale":"0","question_status":"0","question_tags":"","chid":"3","xd":"2","create_by":"1348058075_O54gFl","create_uid":"7693066","create_date":"2016-02-28 09:05:09","update_by":"","update_uid":"0","update_date":"2024-01-24 11:57:43","update_reason":"","audit_by":"","audit_uid":"0","audit_date":null,"audit2_by":"","audit2_uid":"0","audit2_date":null,"opinion":null,"parent_id":"6523203","sort":25,"is_objective":"0","difficult_index":"0","master_level":"0","exam_type":"0","evaluated":"0","region_ids":"","grade_id":"0","question_source":"","mode":"2","is_delete":"0","md5sum":"","title":"","kid_num":"0","paperid":"0","save_num":"0","oldqid":"0","explain_sort_need":"0","paper":null,"extra_file":"","question_text":"试判断∠BOE和∠COE有怎样的数量关系,说说你的理由.","options":"","answer":"解:∠BOE=∠COE,理由如下:由角的和差,得∠BOE=∠BOD﹣∠DOE=155°﹣90°=65°,
∠COE=∠DOE﹣∠COD=90°﹣25°=65°,
则∠BOE=∠COE
","answer_json":["解:∠BOE=∠COE,理由如下:由角的和差,得∠BOE=∠BOD﹣∠DOE=155°﹣90°=65°,
∠COE=∠DOE﹣∠COD=90°﹣25°=65°,
则∠BOE=∠COE
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