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        1. Do you have a PE lesson today?
          No, we don’t. We have ___ art lesson today.
          A.a(chǎn)B.a(chǎn)n C.theD./
          B

          試題分析:根據(jù)后面單詞art的詞首音素是元音音素,可知用冠詞an,選B.
          點評:不定冠詞有兩個.根據(jù)后接單詞詞首音素的不同采用不同的形式.當(dāng)詞首音素為元音時,用an;當(dāng)詞首音素為輔音時,用a.實際中也可以根據(jù)首字母來判斷,這在大多數(shù)情況下不會出錯,但是個別單詞需要注意,如:hour,小時.
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