{"version":"1.0","provider_name":"Smartcom English Blog","provider_url":"https:\/\/smartcom.vn\/blog","author_name":"Smartcom Team","author_url":"https:\/\/smartcom.vn\/blog\/author\/smartcom-english\/","title":"T\u1eeb v\u1ef1ng ti\u1ebfng Anh B1 \u0111\u1ea7y \u0111\u1ee7 ch\u00ednh x\u00e1c k\u00e8m file t\u1ea3i PDF","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"xRBxSYiyXt\"><a href=\"https:\/\/smartcom.vn\/blog\/tu-vung-tieng-anh-b1\/\">T\u1eeb v\u1ef1ng ti\u1ebfng Anh B1<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/smartcom.vn\/blog\/tu-vung-tieng-anh-b1\/embed\/#?secret=xRBxSYiyXt\" width=\"600\" height=\"338\" title=\"&#8220;T\u1eeb v\u1ef1ng ti\u1ebfng Anh B1&#8221; &#8212; Smartcom English Blog\" data-secret=\"xRBxSYiyXt\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","thumbnail_url":"https:\/\/smartcom.vn\/blog\/wp-content\/uploads\/2025\/10\/tu-vung-tieng-anh-b1.png","thumbnail_width":1920,"thumbnail_height":1080,"description":"\u0110\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c ch\u1ee9ng ch\u1ec9 ti\u1ebfng Anh B1, c\u00e1c s\u0129 t\u1eed kh\u00f4ng th\u1ec3 b\u1ecf qua kho t\u1eeb v\u1ef1ng ti\u1ebfng Anh B1. C\u00f9ng h\u1ecdc t\u1eeb v\u1ef1ng B1 theo ch\u1ee7 \u0111\u1ec1 do Smartcom t\u1ed5ng."}