题目内容
5 . ( 2014 江苏泰州,12, ★★★ ) About of the earth covered with water,but we have less and less available fresh water.
A. threefourth;is B. threefourths;is
C. threefourth; are D. threefourths; are
5.B
5.B 句意:虽然地球上约四分之三的地方被水覆盖,但我们可 获得的新鲜水越来越少。根据分数的构成规则“分子用i数 词,分母用序数词,分子大于1分母加s”可知第一空填three- fourths;分数作主语时,谓语和它所指代的名词的数保持一 致,本题中的threefourths指代的是地球表面,为不可数名词, 故答案选B。
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