【題目】Two ______ of the earths surface ______ water.

A.third; isB.thirds; is

C.third; areD.thirds; are

【答案】B

【解析】

試題解析:英語中分?jǐn)?shù)的用法,分母用序數(shù)詞、分子用基數(shù)詞,當(dāng)分子為2或2以上的數(shù)字,分母要加s;主語surface為不可數(shù)名詞,故謂語動(dòng)詞用單數(shù)。

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