A:细胞核
B:液泡
C:细胞质
D:叶绿体
美国前副总统华莱士说:“左宗棠是近百年史上世界伟大人物之一,他将中国人的勇武精神展现给俄罗斯人,给整个世界.”华莱士评述左宗棠的历史事件是( )
— They are Mary's bag. She left it on the playground just now, but now she can't find it.
已知函数 f(x)=log31−x1+x .