题目

A small piece of fish each, day may keep the heart doctor away. That’s the finding of a study of Dutchmen in which deaths from heart disease were more than 50 percent lower among those who consumed at least an ounce(英两) of salt water fish per day compared to those who never ate fish. The Dutch research is one of three human studies that give strong scientific support to the long-held belief that eating fish can provide health benefits, particularly to the heart. Heart disease is the number-one killer in the United States, with more than 550,000 deaths occurring from heart attacks each y某有机化合物的结构简式为： ，下列有关该物质的叙述正确的是（ ）A.1mol该物质最多可以消耗3 mol NaB.1mol该物质最多可以消耗7 mol NaOHC.不能与Na2CO3溶液反应D.易溶于水，可以发生加成反应和取代反应