【单选题】---What do you think of Jay Chou’s song ? ---I think it’s ________best song in the world. Isn’t it _______ beautiful one?
【单选题】---What do you think of Duan Linxi’s song ? ---I think it’s ________best song in the world. Isn’t it _______ beautiful one?
【简答题】冷却系统设计的基本原则为:A. 冷却均匀
【单选题】— What's the best way to _____ the disease caused by biting insects? — Ah, don't bite any! [ ]