早在3000多年以前,()人就已经掌握了十分先进的铸造技术——()
参考答案:苏美尔;“去蜡铸造法”
— Have you seen the movie Avatar?
— Yes, twice. It's ____ one I've seen. [ ]
A. interesting
B. more interesting
C. most interesting
D. the most interesting
______属于无鳞鱼。
A.墨鱼
B.鲨鱼
C.鲥鱼
D.黄鳝