8．I think _____ of the materials I listen to at the beginning of the exam _____easy．（　�。�
A．two thirds，isB．second three，are
C．two thirds，areD．two third，are

分析 我認為考試前面的三分之二的聽力材料很簡單．

解答 答案：C
結(jié)合句意：我認為考試前面三分之二的聽力材料很簡單．本題第一空考查的是分數(shù)，在英語中，基數(shù)詞表示分子，序數(shù)詞表示分母，當分子大于一時，分母要加s，所以三分之二應(yīng)該是two-thirds；第二空因為前面的materials材料是復數(shù)，三分之二的聽力材料也是復數(shù)，應(yīng)該用are，故選C．

點評 本題考查的是分數(shù)和be動詞的用法，理解句意并掌握分數(shù)的構(gòu)成的解答本題的關(guān)鍵．

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