2022 National Question 11 Single-choice Differentiating 2022_全国甲 Paper 11. 杭盖草原的河谷鼠害很轻,是因为河谷( ) A. 缺乏鼠类食物B. 冷空气易集聚C. 地下水位高D. 鼠类天敌多 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →