()创出了“漆书”。其漆书用重墨,横粗竖细,直笔多,曲笔少,形同漆匠用扁刷刷出来的笔画。
参考答案:金农
As we all know,tigers and cats________the same family of beasts.[ ]
A. belonged to
B. are belonged to
C. belong to
D. are belonging to
在Cu+2H2SO4(浓) △ . CuSO4+SO2↑+2H2O反应中,若有3.2g的Cu参与反应,则被还原的H2SO4的物质的量是______mol.