【单选题】Take an umbrella to ______you from the rain, which may ___you from taking a walk.
【简答题】放线菌的无性繁殖方式包括 繁殖和 繁殖。
【简答题】The natural protection zones protect animals _____. [ ] A. from killed B . from being killed C. from killing D. being killed
【多选题】作为美国象征之一,拉莫尔山上的四总统雕像是( )四位总统的雕像。