分基数词（cardinal numbers）和序数词（ordinal numbers） Grammar 数 词 分基数词（cardinal numbers）和序数词（ordinal numbers） 一、基数词（cardinal numbers） 1~12 one two three four five six seven eight nine ten eleven twelve 13~19 -teen thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20~90 -ty twenty thirty forty fifty sixty seventy eighty ninety 21~99 twenty-one thirty-two forty-three ninety-nine 100 201 122 one hundred two hundred and one one hundred and twenty-one 1,000 1,532 10,000 100,000 one thousand one thousand five hundred and thirty-two ten thousand one hundred thousand 1,000,000 1,000,000,000 one million one billion

二、序数词（ordinal numbers） Grammar 二、序数词（ordinal numbers） 1 2 3 first (1st) second (2nd) third (3rd) 4 ~ 19 基数词后加 -th fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth 20 ~90 变 -ty 为 -tieth twentieth thirtieth ……. Ninetieth 21 ~ 99 十位数用基数词，个位数用序数词 twenty-first fifty-fourth ……. ninety-ninth 100 1,000 1,000,000 1,000,000,000 直接加 -th one hundredth one thousandth one millionth one billionth 208 1,937 只在个位数用序数词，其它用基数词。 two hundred and eight one thousand nine hundred and thirty-seventh

练习 用英语读出下列数字： 111 226 705 1，098 4，568 75，137 425，712 1，306，527 2，032，678 36，441，000 900，745，022 1，280，532，866 one hundred and one two hundred and twenty-six seven hundred and five one thousand and ninety-eight four thousand, five hundred and sixty-eight seventy-five thousand,one hundred and thirty-seven four hundred and twenty-five thousand, seven hundred and twelve one million, three hundred and six thousand, five hundred and twenty-seven two million, thirty-two thousand, six hundred and seventy-eight thirty-six million, four hundred and forty-one thousand nine hundred million, seven hundred and forty-five thousand, and twenty-two one billion, two hundred and eighty million, five hundred and thirty-two thousand, eight hundred and sixty-six

练习 用基数词或序数词填空： 1. The ___________ day of the year is New Year’s Day. 2. There’s only __________ Sunday in a week. 3. July’s the ____________ month of the year. 4. Three times four equals ____________. 5. The number 195 has three digits. The _________ digit is a ‘nine’ and the ________digit is a ‘five’. 6. Next Wednesday is my eleventh birthday. That means I’ll be ___________ years old by then. first one seventh twelve second third eleven

练习 7. I’ve just done the fourth exercise, and am now working on 8. Teacher: Have you any questions about the _________ chapter? Student: No. I think chapter six is quite simple. 9. Teacher: What’s five plus ten? Student: It’s _____________, 10. Manager: How many tickets were sold today? Clerk: One thousand. Manager: Who sold the last one? I mean the ________________ ticket. Clerk: Judy did. five sixth fifteen one thousandth

练习 Write down the noun phrases using numbers given in brackets. e.g. bag (2) two bags girl (8) eight girls bike (3)__________________ box (2) __________________ bus (6) __________________ carrot (4) ________________ case (2) __________________ child (9) ________________ factory (12) ______________ foot (2) _________________ glass (4) _________________ house (5) ________________ knife (10) ________________ potato (15) _______________ radio (8) _________________ scarf (7) _________________ watch (6) ________________ woman (20) _______________ three bikes two boxes six buses four carrots two cases nine children twelve factories two feet four glasses five houses ten knives fifteen potatoes eight radios seven scarves six watches twenty women