一You talked just now.Try to talk less and drink more water.
A:many too
B:too many
C:too much
D:much too
240-46+54÷2
2014年4月8日至11日,为期4天的博鳌亚洲论坛在海南召开,本届年会的主题是( )
人体生命活动所需的能量主要来自( )