It’s said that ______ of the water around the world ______ polluted.
| A．two third; has | B．two thirds; have |
| C．two third; are | D．two thirds; is |
英語(yǔ)中一般用基數(shù)詞表示分?jǐn)?shù)的分子，用序數(shù)詞表示分?jǐn)?shù)的分母。當(dāng)分子是一時(shí)，分?jǐn)?shù)的分母用單數(shù)形式，在表示分?jǐn)?shù)時(shí)，當(dāng)分?jǐn)?shù)的分子大于一時(shí)，分?jǐn)?shù)的分母要用復(fù)數(shù)形式。由分?jǐn)?shù)修飾的主語(yǔ)后面謂語(yǔ)動(dòng)詞的數(shù)，和被修飾主語(yǔ)的單復(fù)數(shù)保持一致。句意：據(jù)說(shuō)世界上三分之二的水都被污染了。選項(xiàng)AC分?jǐn)?shù)結(jié)構(gòu)有誤。Water是不可數(shù)名詞，故謂語(yǔ)動(dòng)詞用單數(shù)，選D。
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