读图，回答下题。
设f(x)是定义在R上的奇函数，当x≤0时，f(x)=2x2-x，则f(1)=( )
What did the writer think of Tom when he heard of his death?
我国国内生产总值、城镇和农村居民人均纯收入比较表
下列是两栖动物的是（ ）
