九年级Unit6Whenwasitinvented达州市通川区八中胡代秋英语教学设计

Unit6 When was it invented?Section A (3a-3c)和分级阅读教学设计(九年级)通川区八中：胡代秋一、教学目标：掌握下歹(I词,匚：by accident, rul