On the second floor there are two rooms, ____ is used as a meeting room. A.the larger of which B.one of them C.the larger one of that D.the largest of which 答案:A6.下列是有关水库群落要研究的问题,其中错误的是( )A.水库的范围和边界如何,如何演替的B.水库中各种种群分别占据什么位置,具有怎样的空间结构C.水库有哪些种群以及种间关系有哪些D.水库中占优势时种群只有一种