12.Once you click ________ button,________ email will be sent to you via your email address.( 。
A.the; anB.a; aC./; anD.the;/

分析 只要你點擊一下這個按鈕,郵件就能通過你的郵件地址發(fā)送給你.

解答 答案:A
題干中the button表示的是特定的按鈕,是特指,要用定冠詞;an email一封郵件,表示泛指.故選A.

點評 冠詞是一種虛詞,本身不能獨立使用,只能放在名詞前幫助說明名詞所指的人或事物,它是英語詞性中最小的一類,只有三個,一種是不定冠詞a,an;一種是定冠詞the.此外也有些特定場合不用冠詞,即通常所稱的零冠詞.不定冠詞表示泛指,定冠詞表示特指.

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