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        1. 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(yǔ)中通常是借助于基數(shù)詞和序數(shù)詞來(lái)共同表達(dá)的。其中基數(shù)詞表示分子,序數(shù)詞表示分母。分子超過(guò)1,分母要加s.分?jǐn)?shù)修飾名詞時(shí),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?cè)诰渥又凶髦髡Z(yǔ),則謂語(yǔ)動(dòng)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(yǔ)境可知此句的含義是考試一開(kāi)始我聽(tīng)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(yǔ)動(dòng)詞要用復(fù)數(shù)。故選C。
          點(diǎn)評(píng):對(duì)于分?jǐn)?shù)的考點(diǎn)有這么幾個(gè)。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(guò)1時(shí),分母的變化;第三分?jǐn)?shù)做主語(yǔ)時(shí)謂語(yǔ)動(dòng)詞的取決,到底是用單數(shù)還是復(fù)數(shù)。
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