新一轮 复习备考周期正式开始， 为各位初中三年级考生整理了各学科的复习攻略，主要包含中考必考试知识点、中考常考要点、各科复习办法、考试答卷方法等内容，帮助各位考生梳理常识脉络，理清做题思路，期望各位考生可以在考试中获得优秀成绩!下面是《 英语要点：基数词的构成》，仅供参考!
基数词的构成
(1)1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,
sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先说几十，再说几，中间加连字符。
23twenty-three,34thirty-four,
(3)999先说几百，再加and,再加末两位数或末位数;
586five hundred and eighty-six,803eight hundred and three
(4)l,000以上,先从右往左数，每三位数加一个,,第一个,前为thousand.第二个,前为million,第三个,前为billion,然后一节一节地表示。
9,785nine thousand, seven hundred and eighty-five
6,260,309six million two hundred and sixty thousand three hundred and nine
750,000,000,000seven hundred and fifty, billion