【題目】There's many students in our school . ____of them ___ girls.
A.One third ; is
B.One third ; are
C.Two thirds ; is

【答案】B
【解析】句意:我們學(xué)校有很多學(xué)生,其中三分之一是女生。分?jǐn)?shù)的構(gòu)成口訣:分子基數(shù)詞,分母序數(shù)詞,分子大于一,分母加-s;句中them指學(xué)生,是復(fù)數(shù),故謂語用復(fù)數(shù),因此選B。

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