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_______ apple a day keeps_______ doctor away.

A. An，a B. An， the C. The， a D. A， the

B

【解析】

試題解析：句意：這是英語的一句俗語，表面意思是一日一蘋果，醫(yī)生遠(yuǎn)離我。doctor在這里特指醫(yī)生,故用定冠詞the；apple中的a發(fā)音是//,屬于元音音素,故前用an;day中的d發(fā)音是/d/,屬輔音音素,故選B.

【點(diǎn)評(píng)】當(dāng)字母發(fā)的音是元音音素，用不定冠詞an, 而當(dāng)發(fā)的音是輔音音素屬輔音音素，用不定冠詞a；特指某(些)人或某(些)物，這是定冠詞的基本用法。； 此為高頻考點(diǎn)。

【考點(diǎn)】考查冠詞的用法。

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