unit5 What are the shirts made of ?一短语归纳1.be made of 由.制成的(表示制成成品后,仍可看出原材料是什么)2.be made from 由.制成的(在成品中已无法辨认原材料)3.be known for 以.闻名 4.be used for 被用于.5.no matter 不论;无论 6.be covered with 用.覆盖7.as far as i know 据我所知 8.by hand 用手9.be good for 对有益 10.on the last friday of each month最后一个星期五11.be good at 擅长 12.make high-technology products 制造高科技产品13.the earths surface 地球表面