【題目】Water ______ of the earth.

A. covers; two thirds B. covers; second thirds

C. cover; two third D. cover; second third

【答案】A

【解析】

句意：水覆蓋著三分之二的地球。英語(yǔ)中分?jǐn)?shù)的構(gòu)成是：分母用基數(shù)詞，分子用序數(shù)詞，分子大于一時(shí)，分母加s，故三分之二應(yīng)表達(dá)為two thirds，由此可排除B、C和D三個(gè)選項(xiàng)，選A。這句話中water是不可數(shù)名詞，故動(dòng)詞用單數(shù)covers。

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