下列有关项羽的历史故事中,最具“正能量”、最鼓舞人心,催人奋进的是( )
A:鸿门宴
B:破釜沉舟
C:霸王别姬
D:四面楚歌
— I don't know whether he will come this morning. If he ____, I ____you— Thank you very much.
— I'm looking_ the kids. They should be back for lunch now.
举世闻名的秦兵马俑制品的主要材料在成分上属于( )