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序數(shù)詞前冠詞的使用規(guī)律

規(guī)律一：序數(shù)詞前用定冠詞

在通常情況下，序數(shù)詞前要用定冠詞。如：

Read your book, starting at the second paragraph.朗讀書(shū)本，從第2段讀起。

We especially enjoyed the third act of the play. 我們特別喜歡戲的第3幕。

The boxer gave in at the fifteenth round. 這個(gè)拳擊師在第15個(gè)回合中認(rèn)輸了。

I can find seven, but where is the eighth plate? 我能找到7個(gè)盤(pán)子，第8個(gè)在哪兒呢？

Skip the first chapter and start on page 25. 跳過(guò)第1章，從第25頁(yè)開(kāi)始看。

He’s going to compete with his old rival in the second round. 第2回合時(shí)他將與老對(duì)手競(jìng)爭(zhēng)。

規(guī)律二：序數(shù)詞前用不定冠詞

在序數(shù)詞之前有時(shí)使用不定冠詞a (an)，用以表示數(shù)量或序數(shù)的增加。如：

Do you want to read it a third time? 你還想看第3次嗎？

I’d like a second helping, I’m still hungry! 我想再來(lái)一份，我還餓著呢！

Several candidates were called for a second interview. 有幾個(gè)候選人被叫來(lái)作第二次面試。

He gave her another sedative. Then a third. 他給了她另一片鎮(zhèn)靜劑，接著又給了一片。

They proposed a third formula for the new swimming pool. 他們?yōu)樾掠斡境靥岢隽说?/FONT>3種方案。