题目

常温下，下列各组离子在指定溶液中能大量共存的是（） A . 氨水溶液：Na+、K+、OH-、NO B . 盐酸溶液：Na+、K+、SO 、SiO C . KMnO4溶液：NH 、Na+、NO 、I- D . AgNO3溶液：NH 、Mg2+、Cl-、SO 答案：A—Driving less, walking more is good for our health.—So I'd rather____an hour's walk to work than consider____a car.A．take, drive B．take, to driveC．take, driving D．taking, driving