(function(){var loadHandler=window['sl_{D4058C3E-A2BE-4E74-899D-5C012606D252}'];loadHandler&&loadHandler(9, '<div id="spr0_d4f2aec"><div id="spr1_d4f2aec" class="kern slide"><img id="img2_d4f2aec" src="data/img32.png" width="960px" height="540px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_d4f2aec" class="kern slide"><div id="spr3_d4f2aec" style="left:133.127px;top:57.306px;"><div style="width:0px;"><span id="txt0_d4f2aec" data-width="674.392578" style="left:22.048px;top:5.091px;">Câu 4: Khi tham gia giao thông, có tàu hỏa chạy qua các</span></div><div style="width:0px;"><span id="txt1_d4f2aec" data-width="432.181641" style="left:143.238px;top:38.691px;">phương tiện giao thông phải làm gì?</span></div></div><div id="spr4_d4f2aec" style="left:70.286px;top:245.829px;"><img id="img0_d4f2aec" src="data/img30.jpg" width="368" height="268" alt="" style="left:-0.057px;top:0.229px;"/></div><div id="spr5_d4f2aec" style="left:508.114px;top:245.829px;"><img id="img1_d4f2aec" src="data/img31.jpg" width="366" height="268" alt="" style="left:0.086px;top:0.229px;"/></div></div></div>');})();