About  ______ of the books in our school library are written in Chinese.
A.four-fifthB.four-fifths
C.fourth-fifthsD.fourths-fifth
B

試題分析:英語中一般用基數(shù)詞表示分數(shù)的分子,用序數(shù)詞表示分數(shù)的分母。當分子是一時,分數(shù)的分母用單數(shù)形式,在表示分數(shù)時,當分數(shù)的分子大于一時,分數(shù)的分母要用復數(shù)形式。根據(jù)分析可知選項ACD結(jié)構(gòu)有誤,故選B。
點評:英語分數(shù)的表達規(guī)則比較固定,學習中應(yīng)牢記這些基本規(guī)則。需注意的是,由分數(shù)修飾的主語后面謂語動詞的數(shù),和被修飾主語的單復數(shù)保持一致。
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