A:亚洲
B:非洲
C:欧洲
D:北美洲
Our government has tried many ways to the smog(雾霾)problem. Maybe we'll have a clear sky in the near future.
史载:昔武王克商,光有天下,其兄弟之国者十有五人,姬姓之国者四十人。这反映出分封制下分封的主要对象是
对下面两句话的意思,理解全部正确的一项是( )
①青,取之于蓝,而青于蓝
②求其所以为舜者