考向07 分数（难点）-备战2023年中考英语一轮复习考点微专题（全国通用）

考向07 分数 （2022·辽宁营口·中考真题）Tom was angry because Jerry ate ________ of his nine apples secretly. Now he had only three left. A．a quarter B．one third C．a half D．two thirds 【答案】D 【解析】句意：汤姆很生气，因为杰里偷偷地吃了他九个苹果中的三分之二。现在他只剩下三个了。 考查数词运算。a quarter四分之一；one third三分之一；a half二分之一；two thirds三分之二。根据“his nine apples”及“only three left”可知，总共9个苹果，还剩3个，也就是吃了6个，占总数的三分之二，故选D。 分数的用法概览 分数的表达法 分数是由基数词作分子，序数词作分母构成的。除了分子是＂1＂的情况外，序数词都要用复数。 ►1/3 one third 7/9 seven ninths 【注意】一些特殊的分数表达法： ►a half 二分之一 a quarter =one fourth 四分之一 three quarters=three fourth 四分之三 【助记口诀】 英语分数巧记 英语分数不费事，＂母序子基＂四个字。 分子若是大于一，分母还须加-s。 基础练 1．________ of the students took part in the sports meeting. A．Three five B．Three fifth C．Third fifths D．Three fifths 2．There are ________ teachers in our school, and ________ of them are women teachers. A．two hundreds; three quarter B．two hundreds; three quarters C．two hundred; three quarters D．two hundred; three quarter 3．In our class ________ of the students are boys. A．third five B．three fifths C．three fifth 4．________ of the people in that city say they have seen UFOs. A．Three-fifth B．Three-fifths C．Third-five D．Thirds-five 5．It says that ________ of the water around the world ________ polluted. A．two third; has B．two thirds; have C．two third; are D．two thirds; is 6．The population of China is about 1.4 billion. That’s almost one ________ of the world’s population. A．five B．the five C．fifth D．the fifth 7．About ________ of the earth ________ covered with water, but we have less and less fresh water available. A．Three fourth; is B．three fourths; is C．three fourth; are D．three fourths; are 8．—How many students like playing computer games in your school? —________ of the students. A．Two third B．Two thirds C．Two three D．Second three 9．—What do you think of the park here? —Wonderful! ________ of it ________ covered with trees and grass. A．Two fifths; is B．Two fifth; is C．Two fifths; are D．Two fifth; are 10．In our class ________ of the students ________ boys. A．three fift