已知:TiOSO4遇水会水解.
①原始社会后期出现青铜器 ②商朝以后,青铜器主要用于战争
③四羊方尊是世界已知的最大青铜器 ④铸造青铜器采用“泥范铸造法”
—I have some in Chinese cooking.
A. It's on the line.
B. Yes,it is.
C. No,I haven't.
D. No,she doesn't.
E. Yes,he has.