\u5982\u4e0b\u9898\u5339\u914d\u9009\u9879\uff1a<\/p>\n\n\n\n
(1) \u8bbe\u96c6\u5408 $A=[-1,2], B=\\left{y \\mid y=x^{2}, x \\in A\\right}$, \u5219 $A\\cap B=$
A. $[1,4]$
B. $[1,2]$
C. $[-1,0]$
D. $[0,2]$<\/p>\n\n\n\n
\u76f4\u63a5\u4e0a\u4ee3\u7801\uff1a<\/p>\n\n\n\n
function getOption(str,from,to)\n {\n var r = 'var reg = \/[\\(]*'+from+'[:|\uff1a|\u3001|.]{1}(.*?)[\\s]?'+ to +'\/';\n \/\/ console.log(r);\n eval(r);\n var arr = str.match(reg);\n console.log(arr);\n return arr[1].replace('<br\/>','').replace('<\/p><p style=\\\"white-space: normal;\\\">','');\n \/\/return str.match(reg)[1];\n }<\/code><\/pre>\n\n\n\n\u683c\u5f0f\u5316\u6570\u636e\uff1a<\/p>\n\n\n\n
function formatContent(content)\n {\n content = content.replace('\\(A\\)','A.').replace('\\(B\\)','B.').replace('\\(C\\)','C.').replace('\\(D\\)','D.').replace('\\(E\\)','E.').replace('\\(F\\)','F.'); \n content = content.replace('<br\/>','');\n content = content.replace('<br>','');\n content = content.replace('<\/p><p>'); \n content = content.replace('<x','\\\\lt x');\n\n return content; \n }<\/code><\/pre>\n\n\n\n\u8bbe\u7f6e\u9009\u9879\uff1a<\/p>\n\n\n\n
function setChoiceItem()\n {\n var list =['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q'];\n var ue = UE.geEditor('question-content');\n var content = formatContent(ue.getContent());\n console.log(content);\n var str = content;\n\n \/\/console.log(getOption(str,'A','B'));\n \/\/console.log(getOption(str,'B','C'));\n \/\/console.log(getOption(str,'C','D'));\n \/\/console.log(getOption(str,'D','$'));\n\n \/\/$('p.optionContent:eq(0)').html(getOption(content,'A','B'));\n \/\/$('p.optionContent:eq(1)').html(getOption(content,'B','C'));\n \/\/$('p.optionContent:eq(2)').html(getOption(content,'C','D'));\n \/\/$('p.optionContent:eq(3)').html(getOption(content,'D','$'));\n \n var len = $('p.optionContent').length; \n\n $('p.optionContent').each(function(index,e){\n\n console.log(list[index]);console.log(len);\n\n var start = list[index];\n var end = list[index+1];\n if(index == len-1) \n {\n end='$';\n }\n\n $(this).html(getOption(content,start,end));\n\n });\n\n }<\/code><\/pre>\n","raw":"","protected":false},"excerpt":{"rendered":"\u5982\u4e0b\u9898\u5339\u914d\u9009\u9879\uff1a (1) \u8bbe\u96c6\u5408 $A=[-1,2], B=\\left{y \\mid y=x^{2}, x \\ … <\/p>\n