题目内容
9.-Nowadays clean water is increasingly scarce.-Yes.It is said that ________ of the water all over the world ________ polluted.( )
| A. | two three; is | B. | two thirds; is | C. | two thirds; are | D. | two thirds; has |
分析 -现在干净的水越来越稀缺.
-是的,据说全世界三分之二的水被污染了.
解答 答案:B.根据It is said that ________ of the water all over the world ________ polluted结合选项可知据说全世界三分之二的水被污染了.可知句子里的分数表达法是2/3,分子用基数词,分母用序数词;当分子大于一时,分母加"s";并且句子的主语(water)是单数,谓语动词用单数;结合语境,故选B.
点评 对于分数的表达法(分子用基数词,分母用序数词;分子大于一时,分母加s;)再结合语境选出正确的选项.
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