2016英语高考一轮复习专题突破课件:专题六 数词与主谓一致
时间:2026-04-29
时间:2026-04-29
专题六
数词与主谓一致
第一板块
一、数词
1.基数词(1) 注 意 几 个 不 规 则 的 基 数 词 的 写 法 。 如 : eleven , twelve,thirteen,fifteen,twenty,thirty,forty,fifty等。
(2) 注意英语中的数量以三位为一个单位,一般对应阿拉伯数字的写法每三位加一个逗号,分别是thousand,million和 billion。如:ten thousand=10,000;one hundred million= 100,000,000。
第一板块
(3)数词hundred,thousand,million,billion,dozen,
score表示确切数目时不加-s,但若表示不确切数目时,要用复数形式,与of构成短语。如:一万:ten thousand;成千上 万的:tens of thousands of;两打鸡蛋:two dozen eggs。
(4)年代表达方式有两种写法。如:20世纪90年代:in the1990s或in the 1990’s。
第一板块
2.序数词
(1) 序数词前面一般加 the ,多数序数词由基数词加 -th 构成。如: the fifteenth ;以 y 结尾的基数词变化时,先把 y 改成 i ,再加 -eth 。如: twentieth 。注意几个不规则的序数词的写
法。如: first , second , third , fifth , eighth , ninth , twelfth等。 (2) 序数词常可缩写,其形式为阿拉伯数字加序数词的最 后两个字母。如: 1st , 2nd, 3rd , 4th, 21st , 22nd, 23rd, 24th。
第一板块
3.小数
小数点用 point 表示,小数点后的数用个位基数词表示。如:0.567—zero point five six seven。 4.分数
分子用基数词,分母用序数词,如果分子大于1,分母须加 -s 。 如 : 1/5—one fourths/three-fourths。 5.百分数 百 分 号 用 percent(per cent) 或 % 表 示 。 如 : 19.56%— nineteen point five six percent。 fifth/one-fifth ; 3/4—three
第一板块
6.倍数表达法
(1)倍数+as+形容词/副词(原级)+as。This bridge is three times as long as that one. (2)倍数+形容词或副词的比较级+than。
This bridge is three times longer than that one.(3)倍数+the size/length/weight...+of+表示比较对象的 This bridge is three times the length of that one. (4)倍数+what引导的从句。 The college is twice what it was 5 years ago. (5)倍数+that+of+表示比较对象。 The money he earns is three times that of hers.第一板块
[学以致用]
用适当的词填空或完成句子1.Two________(five) of the land in that district is covered with trees and grass.
2.It is not rare in the________(90) that people intheir________(fifty) are going to university for further education. 3.It took us quite a long time to get there.It was______________________(三小时的旅程). 4.He lived in____________________(5楼的506房).
第一板块
5.About______________(3千人)
took
part
in
the that
demonstration against the war on Iraq.6.It is reported of only____________________________(十分之三) the
American people think that the war is goin
g on successfully.7.About________________________(百分之七十的志愿 者) are from universities. 8.Jack’s salary is $5,000 a month,which is________________________________(John的三倍).
第一板块
下一篇:平整场地计算规则