【題目】There is ________”h” and ________”u” in the word “hour”.

A. an ; a B. a ;an

C. a ; a D. an; an

【答案】A

【解析】

試題分析：h的詞首音素是元音，故不定冠詞用an。U詞首音素是輔音，故不定冠詞用a。選A。

冠詞是一種虛詞，一般用于名詞前面表示特指或者泛指某一個(gè)。冠詞的應(yīng)用都用一定規(guī)則，熟記這些規(guī)則是解題的關(guān)鍵。需注意的是不定冠詞的用法是看詞首音素，不是看首字母，如：useful首字母是元音，但是詞首音素時(shí)輔音，故不定冠詞用a；hour首字母是輔音，但是詞首音素是元音，故用冠詞an。

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