diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json index 8d58b7ab..dc205513 100644 --- a/题库0.3/Problems.json +++ b/题库0.3/Problems.json @@ -589636,6 +589636,46 @@ "space": "", "unrelated": [] }, + "031404": { + "id": "031404", + "content": "判断下列各组对象能否组成集合, 若能组成集合, 指出是有限集还是无限集.\\\\\n(1) 中国现有各省的名称;\\\\\n(2) 大于$10$且小于$15$的有理数;\\\\\n(3) 所有好吃的水果.", + "objs": [], + "tags": [], + "genre": "解答题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2026届高一自拟例题与习题", + "edit": [ + "20230711\t朱敏慧" + ], + "same": [], + "related": [], + "remark": "", + "space": "4em", + "unrelated": [] + }, + "031405": { + "id": "031405", + "content": "用``$\\in$''或``$\\notin$''填空:\\\\\n(1) $-2$\\blank{20}$\\mathbf{N}$;\\\\\n(2) $-10$\\blank{20}$\\mathbf{Z}$;\\\\\n(3) $6.13\\dot{1}\\dot{4}$\\blank{20}$\\mathbf{Q}$;\\\\\n(4) $2 \\pi$\\blank{20}$\\mathbf{R}$;\\\\\n(5) $0 \\times 1$\\blank{20}$\\varnothing$.", + "objs": [], + "tags": [], + "genre": "填空题", + "ans": "", + "solution": "", + "duration": -1, + "usages": [], + "origin": "2026届高一自拟例题与习题", + "edit": [ + "20230711\t朱敏慧" + ], + "same": [], + "related": [], + "remark": "", + "space": "", + "unrelated": [] + }, "040001": { "id": "040001", "content": "参数方程$\\begin{cases}x=3 t^2+4, \\\\ y=t^2-2\\end{cases}$($0 \\leq t \\leq 3$)所表示的曲线是\\bracket{20}.\n\\fourch{一支双曲线}{线段}{圆弧}{射线}",