题目内容
9.About ______ of the students in my class were born in the ______.( )| A. | two thirds;1980 | B. | two thirds; 1980s | ||
| C. | two third;1980 | D. | two third; 1980s |
分析 我班里大约三分之二的学生出生于二十世纪八十年代.
解答 答案:D.
根据题干"我班里大约三分之二的学生出生于二十世纪八十年代."判断句中要使用分数三分之二,分数表达法是:分子用基数词,分母用序数词,如果分子大于1,分母要加-s,所以三分之二的正确表达为two thirds;时间短语"二十世纪八十年代"的表达是:in the 1980s,故选D
点评 本题考查分数表示法.首先知道:分子用基数词,分母用序数词;如果分子大于一,分母用序数词的复数形式.然后再根据题干选出正确的选项.另外要熟练掌握世纪年代表示法.
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