题目内容
18.There are about three_____students in our school and______of them are boys.( )| A. | thousand,two thirds | B. | thousands,two third | ||
| C. | thousands,two thirds | D. | thousands of,two third |
分析 在我们学校大约有三千个学生并且三分之二的学生是男生.
解答 答案:A.根据thousand与具体数字连用不能加s,也不能与of连用和不与具体数字连用时需加s并与of连用的用法可知,因为题干中有three,故填thousand.分数的表达形式为:基数词(分子)+序数词(分母),分子大于一时分母加s.根据本规则,表达三分之二应是two thirds.故选A.
点评 本题考查数词的用法,做题时注意thousand和分数的表达方法,应根据题干进行选择合适的选项.
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