【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
Reading section (version 14142)：
Passage 1: Food additives. Explains why taste buds developed in humans and how important flavors are to the food industry. Explains the rise of flavor engineering and food additives. Explains that it is difficult to distinguish between natural flavors and artificial flavors.
