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. three-fourth;is

   B. three-fourths;is

   C. three-fourth;are

   D. three-fourths;are

5. B

5. B句i:虽然地球上大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s前空“四分之三”用three-fourths; 本句three-fourths指代的是水,为不可数名词,故后空谓语动 词须用is。

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