第21题: [简答题](Line 4, Para. 3, Passage 1) We need to know why all watersheds (水滨) need the protection of plant life and why the running current of streams and rivers must be made to yield their full benefit to the soil before they finally escape to the sea.
第27题: [单项选择]土地权属争议处理的程序是( )。 ①申请②调解③处理④受理⑤调查 A. ①④②⑤③ B. ①④⑤②③ C. ⑤①②③④ D. ①⑤④②③ 参考答案:B 答案解析:[解析] 土地权属争议处理程序是指人民政府国土资源行政主管部门受理和处理土地权属案件的具体程序,包括土地权属争议案件的申请、受理、调查、调解和处理全过程。