A：纤维素属于多糖，是人类的营养物质
B：高炉炼铁时，增加炉高，可以改变尾气中CO的含量
C：手机壳上贴的碳纤维膜是一种新型无机非金属材料
D：直接在田间焚烧秸秆，补充土壤中的钾元素
听短文, 根据短文内容完成下列表格。
Things some people do on the __（1）____
they spend only ____（2）____.
They ___（3）____ to give their seats to the old people without listening to the ticket sellers.
Be ___（4）____ and help the persons in need of help.
Things we should do
Give your seats to the people with ____（5）____ and let old people get on or get off before you.
被称为“日光城”的城市是
— I'd like some noodles, please.
