题目

—Can you remember this park? We _____ here.       —Sure. But now I ______ in that swimming pool. A. are used to take a walk, am used to swim B. are used to taking a walk, am used to swimming C. used to take a walk, used to swim   D. used to take a walk, am used to swimming    答案：D3月22日是“世界水日”，下列有关水的叙述正确的是（　　） A、随意丢弃废电池易造成水土重金属污染B、经常饮用蒸馏水对身体有益C、水中Ca、Mg  增多导致水体富营养化D、大量使用农药、化肥不会污染水