题目

—Are you a native of this town?—I was born in New York, but this is ________ I grew up. A . that B . what C . when D . where 答案：D自来水厂净水过程中，不需要进行的操作是（ ）A. 蒸馏 B. 沉淀 C. 过滤 D. 吸附