12.I like apples._______ apple a day keeps the doctor away,you know.( 。
A.AB.AnC.TheD.不填

分析 翻譯:我喜歡蘋果.你知道,一天吃一個蘋果有益健康.

解答 定冠詞the與指示代詞this,that同源,有"那(這)個"的意思,但較弱,可以和一個名詞連用,來表示某個或某些特定的人或東西;不定冠詞a (an)與數(shù)詞one 同源,是"一個"的意思.根據(jù)語境一天一個蘋果有益健康.故選:B

點評 本題考查冠詞. 冠詞是中學(xué)英語必須掌握的語言點.分為定冠詞、不定冠詞及零冠詞.定冠詞the表特指或是雙方都知道的人或物,不定冠詞a/an表泛指,有"每一"的概念,零冠詞即不用冠詞的情況,多見于一些固定結(jié)構(gòu)中.

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