【題目】It’s said that ______ of the water around the world ______ polluted.

A.two third; hasB.two thirds; have

C.two third; areD.two thirds; is

【答案】D

【解析】

試題句意:據(jù)說(shuō)世界上的三分之二的水被污染了。在英語(yǔ)中分子用基數(shù)詞表達(dá),分母用序數(shù)詞表達(dá)如果分子大于1,分母變復(fù)數(shù)。三分之二,two thirds。分?jǐn)?shù),作主語(yǔ)時(shí),根據(jù)其后接的詞而定,如果為不可數(shù)名詞,則相當(dāng)于單數(shù),如果其后接的為可數(shù)名詞復(fù)數(shù)形式,則相當(dāng)于復(fù)數(shù),根據(jù)句意及結(jié)構(gòu),故選D

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