题目内容
11．______of the earth is covered with water．（ ）| A． | two-three | B． | two-third | C． | two-thirds | D． | second-three |
分析 地球的三分之二被水覆盖．
解答 答案：C 结合句意：三分之二被水覆盖，本题考查的是分数，在英语中，基数词表示分子，序数词表示分母，当分子大于一时，分母要加s，所以三分之二应该是two-thirds，故选C．
点评 本题考查的是分数，理解句意并掌握分数的构成的解答本题的关键．
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