Hints： 只听写例句。前面的单词不用听写。
Advocates of organic foods frequently proclaim that such products are safer and more nutritious than others.
Advocates of organic foods frequently proclaim proclaim that such products are safer and more nutritious than others. 有机食品的拥护者常常宣称这种产品比其他产品更安全，更有营养。 ——译文来自: 节能降耗