九年级（Units 56） （功能话题：科普知识与现代技术）,第 11 讲,单 词 默 写,cotton,grass,process,product,handbag,Germany,surface,traffic,postman,form,balloon,heat,project,pleasure,website,material,trade,earthquake,instrument,customer,Canadian,style,France,mobile,remain,produce,complete,divide,doubt,translate,mention,international,lively,nearly,accidental,national,sudden,musical,widely,daily,精 题 巧 练,D,D,B,C,B,B,C,D,B,D,补 全 对 话,