食品安全性评价
参考答案：
对人类食用某种物质的安全性做出评价的研究过程称为食品安全性评价。
My mother likes _____ TV, but she doesn't like _____ it now. [ ]
A. to watch; watching
B. watching; to watch
C. to watch; to watch
传统的海洋三大产业是指什么？
