【正文】
one hundred and fifth one hundred and twentyninth nieenth 二 .基數(shù)詞的讀法 百位和十位間用 and 連接 , 十位和個(gè)位間用 連接 three hundred and twentyone 321 右往左數(shù) ,三位一組 ,逗號(hào)隔開 .依次是 thousand(千 ) million (百萬 ) billion (十億 ) four thousand three hundred and twentyone seven million,six hundred and fifty four thousand three hundred and twentyone 7,654,321 1,987,654,321 4321 4,321one billion nine hundred and eightyseven million,six hundred and fiftyfour thousand three hundred and twentyone 1. hundred thousand (表示具體數(shù)字 ) million billion 2. hundreds thousands (表示概數(shù) ) millions billions 三 .基數(shù)詞的用法 數(shù)詞 (several)+ + of some / many hundreds of 1. — If a = 3, b=4, what’s the answer to the problem, a+2ab+1=? — the answer is___. A. twenty eight B. twentyeighth C. twentyeight 2. In our school several __ students are able to search the Inter . A. hunderd of B. hunderds of C. hundred 3. Many __ sheep were killed in the accident. A. thousands of B. thousand C. thousands 4. There are over nine __ workers in the factory, but __ of