题目

I'm sure you all know how important recycling is. Recycling is when you take old things and turn them into new things. It sounds like magic. But it's actually very scientific.Material:The first thing you have to do is to collect items (物品) that can be recycled. Only certain materials can be recycled. These include things made of paper, metal, glass and plastic.Daily things:Can you think of everyday items made of these materials? Soda cans are good example. They are made of metal. Magazines and newspaper are made of paper. So are milk boxes. Some bottles of juice are made of glass. Bags are15．小东从家到学校要走20分钟，他每天早晨要在7：50到校，最迟要在几时几分离开家？