I think ____ of the materials I listened to at the beginning of the exam ____ easy.
A.three fourths; isB.third four; are
C.three fourths; areD.three fourth; are
C

試題分析:此題考查分?jǐn)?shù)的表示方法。分?jǐn)?shù)在英語中通常是借助于基數(shù)詞和序數(shù)詞來共同表達的。其中基數(shù)詞表示分子,序數(shù)詞表示分母。分子超過1,分母要加s.分?jǐn)?shù)修飾名詞時,若該名詞是不可數(shù)名詞只能用單數(shù);若是可數(shù)名詞,用單數(shù)或復(fù)數(shù)均可。但是,若它們在句子中作主語,則謂語動詞是用單數(shù)還是復(fù)數(shù)取決于名詞,即與分?jǐn)?shù)所修飾的名詞保持一致。根據(jù)語境可知此句的含義是考試一開始我聽到的3/4的材料都非常容易,因materials是可數(shù)名詞的復(fù)數(shù)故謂語動詞要用復(fù)數(shù)。故選C。
點評:對于分?jǐn)?shù)的考點有這么幾個。第一是分子和分母的表示,到底是用基數(shù)詞還是用序數(shù)詞。第二,分子超過1時,分母的變化;第三分?jǐn)?shù)做主語時謂語動詞的取決,到底是用單數(shù)還是復(fù)數(shù)。
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