2016届高考英语基础知识讲解与训练：数词_高考复习指南

2016届高考英语基础知识讲解与训练：数词

　　表达加减乘除 A.加用plus，and或add表示；等于用is，make，equal等词表示。

　　2+3=? 可表示为： How much is two plus three?

　　2+3=5 Two plus three is five． Two and three is equal to five． Two and three make five． Two added to three equals five．If we add two to/and three, we get five．二加三等于五 B. “减用 minus或 take from表示 10－6＝?　How much is ten minus six? 10-6=4 Ten minus six is four．Take six from ten and the remainder is four. Six (taken) from ten is four．十减去六等于四 C. “乘用time（动词）或multiply表示 3 x 4＝? How much is three times four? 34=12 Three times four is/are twelve．Multiply three by four，we get twelve Three multiplied by four makes twelve．三乘以四等于十二 D. “除用divide表示 16÷4=? How much is sixteen divided by four?16÷4＝4 Sixteen divided by four is four．Sixteen divided by four equals/gives/makes four．十六除以四等于四。

　　表达分数 A.分数是由基数词和序数词一起来表示的。基数词作分子，序数词作分母，除了分子是“1”以外，其它情况下序数词都要用复数形式。如：3/4 three fourths或 three quarters ，1/3 one third或a third ，24/25 twenty-four twenty-fifths B. 当分数后面接名词时，如果分数表示的值大于1，名词用复数；小于1，名词用单数。 1 1/2 hours 一个半小时（读作 one and a half hours） 2 3/4 meters 二又四分之三米（读作two and three-fourths meters） C. 表示n次方的说法：指数用序数词，底数用基数词。 10的7次（ten to the seventh power）