题目

阅读下面材料，在空白处填人适当的内容(1个单词)或括号内单词的正确形式。Rainbow-colored rubbish is the colorful waste created by a Swedish city with a unique cycling system. Like many cities in Sweden, Eskilstuna has an【1】 ( impress) recycling record.It【2】(meet) the EU' 2020 target of recycling 50% of waste many years ago. People are expected to sort their household waste【3】 seven separate categories, including food and metal. But【4】really makes the system stand out is the bright color code.Thanks to those bright colors, scanners can select the bag我国最大的林区位于（   ）A．西北部B．西南部C．东北部D．东南部