The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______. 一道逻辑,可以看到最后以行的or else 这么说来应该就是前面的is 和 are的问题了 一道逻辑,可以看到最后以行的or else 这么说来应该就是前面的is 和 are的问题了 |