1. (2020七下·沈阳期中) 阅读短文，然后根据其内容从方框中选出可以填入空白处的短语。

very convenient, know more about, fight against, the lives of, the furniture

    Did you know trees produce oxygen? Did you know trees help us pollution?

    Did you know in our classroom is made of wood? Did you know trees make our lives ?
    If you want to  trees, join our" All about trees" talk at 4 p.m.on 26 October (Tuesday).

    We will interview Dr.Jones about trees and their major uses.