Unit5 what are the shirts made of?本单元的话题主要谈论产品由什么材料制成或者由什么地方生产。学会谈论产品的构成及产地。语法：一般现在时被动语态。SectionA 重点短语：1 be made of 由制成（可以看出原材料）2 be made from由制成（看不出材料本身）3 be made in +地点 由地方生产4 be made by 被（人）制造5 look Ok/nice 看起来很不错6 the art and science fair 艺术和科技交易会7 a beautiful paining 一幅漂亮的油画8 grass and leaves 草坪于树叶9 be known for以闻名（出名）相当于be famous for例如：Lily is known for/is famous for her sweet voice in her school.莉莉在学校里以嗓音甜美而出名。11 be known as 表示以某种身份而出名。 例如：lu Xun i
