下列物质可以称为氧化物的是( )
A.空气
B.水
C.高锰酸钾
D.氯酸钾
答案:B
—Excuse me. Is there a bank near here?
—No, ___. But you can find one in Yang Fang Road.
A.there isn't
B.it isn't
C.they aren't
D.there is