one of的幾種用法：

　　1.one of +代詞賓格或名詞復(fù)數(shù)

　　如：one of them

　　one of the students

　　2.one of 短語(yǔ)做主語(yǔ)，謂語(yǔ)動(dòng)詞用單數(shù)

　　One of them is good at math.

　　3.one of +the+形容詞最高級(jí)+名詞復(fù)數(shù)

　　one of the longest rivers

　　one of例句：

　　I bought one of the leading brands.

　　我買了幾個(gè)暢銷品牌中的一種。

　　I heard a playback of one of the tapes.

　　我聽(tīng)到了其中一盤錄音帶的回放。

　　I had made arrangements for my affairs to be dealt with by one of my children

　　我已經(jīng)安排我的一個(gè)孩子處理我的事務(wù)。

　　One of the bags was lost en route.

　　其中一個(gè)包在途中丟失了。

　　I think that is one of the major ingredients in his success.

　　我認(rèn)為那是他成功的主要因素之一。