19．              of the students in our class            girls．（　�。�
A．Two fifth；isB．Two fifth；areC．Two fifths；are

分析 我們班五分之二的學(xué)生是女生．

解答 答案：C
根據(jù)題干及選項，可知此題考查分?jǐn)?shù)的表達及主謂一致．在英語中，分?jǐn)?shù)的表達方法為：先分子，后分母，分子用基數(shù)詞，分母用序數(shù)詞，當(dāng)分子大于1時，分母要加s；所以五分之二應(yīng)表達為two fifths；由于主語為the students 為可數(shù)名詞的復(fù)數(shù)，此句為一般現(xiàn)在時，所以后面應(yīng)該用復(fù)數(shù)are．綜合以上分析，故選：C

點評 此題主要考查分?jǐn)?shù)的表達法．掌握好分?jǐn)?shù)的表達規(guī)則是做題的關(guān)鍵；此題還要注意主謂一致的問題．

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