地图上指向标的箭头一般指向( )
—Oh. Mary's not here these days. Is she ill? —_____.Her mother told me that she was in hospital.
陕西出土的一件青铜器上铸有“武王伐纣”的铭文。由此可以判断,它最有可能铸造于下列哪一时期( )
亚洲与非洲的分界线是: ( )