[解析]
(1)D.推理判断题。根据文章第一段This animal,which feeds on the shrubs that grow near the river,has a strong sense of territory and won't leave its surroundings easily.(这种动物以生长在河边的灌木为食,有很强的领地意识,不会轻易离开周围的环境。)和But fortunately for these picky animals…(但幸运的是,对于这些挑剔的动物来说……)可知,河狸对于自己的生活环境很挑剔。故选D。
(2)C.推理判断题。根据第二段Chu was working hard to remember the names of different animals and plants(Chu正在努力记住不同动物和植物的名字)可知,Chu能识别很多动植物。故选C。
(3)D.细节理解题。根据第四段We took the beavers as a priority because they were greatly endangered at that time(我们把河狸作为优先考虑的对象,因为它们在当时非常濒危)可知,Chu启动了第一个河狸公共项目,因为海狸可能很快就会灭绝。故选D。
(4)A.标题归纳题。根据文章第一段But fortunately for these picky animals,they have a responsible protector,Beaver Princess,Chu Wenwen.( 但幸运的是,这些挑剔的动物,他们有一个负责任的保护者,河狸公主,Chu Wenwen。)可知,文章主要讲述了"河狸公主"Chu Wenwen的故事。A.Beaver Princess河狸公主,能够作为文章标题。故选A。