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课件网) 数词 思维导图 考点精讲 考点1 基数词 1.基数词的构成 100以下的基数词 100以上的基数词 1–12 13–19： -teen 整十:-ty 几十几：整十+个位数 hundred, thousand, million, billion 1 one 13 _____ 20 _____ 21 twenty-one 100 one _____ 2 two 14 fourteen 30 thirty 22 twenty-two 101 one hundred and one thirteen twenty hundred 100以下的基数词 100以上的基数词 1–12 13–19： -teen 整十:-ty 几十几：整十+个位数 hundred, thousand, million, billion 3 three 15 _____ 16 sixteen 40 _____ 50 _____ 60 sixty 23 twenty-three 1, 000 one _____ 4 four 24 twenty-four 1, 000, 000 one _____ 5 five 17 seventeen 25 twenty-five 1, 000 , 000 , 000 one_____ 续表 fifteen forty fifty thousand million billion 100以下的基数词 1–12 13–19： -teen 整十:-ty 几十几：整十+个位数 6 six 7 seven 8 eight 9 nine 10 ten 11 _____ 12 _____ 18 _____ 19 nineteen 70 seventy 80 _____ 90 ninety 26 twenty-six 27 twenty-seven 28 twenty-eight 29 _____ 续表 eleven twelve eighty twenty-nine eighteen 2.基数词的用法 用法 结构 示例 表示 数量 — 一年有 365 天。 There are _____ in a year. 表示 时刻 直读法:时钟+分钟 7 :30 seven thirty 9:10 _____ 逆读法:分钟+past （过）+ 时钟（30分内） 分钟+to （差）+时钟（30分后） 8:05 five past eight 1:08 _____ past one 6:50 ten to seven 11 :58 _____ to twelve 365 days nine ten eight two 续表 用法 结构 示例 表示 编号 名词+基数词 1 班 Class One 302 房间 _____ 第十页 _____ 表示年代、年份 in the+年代的复数 在19世纪50年代 in the _____ in+年份 在 2050 年 in 2050 表示 年龄 基数词+years old 6 岁 six years old 80 岁 _____ years old in one’s+整十的复数 在她四十多岁时 in her _____ at the age of+基数词 在 20 岁那年 at the age of _____ Room 302 Page Ten 1850s eighty forties twenty 续表 用法 结构 示例 表示倍数 基数词+times 那头大象的体重是狮子的三倍。The elephant weighs _____ as much as the lion. 表示小数 基数词+point+基数词 5.7 five point seven 10.5 ____ point _____ 表示百分数 基数词+percent 80% eighty percent 60% _____ percent three times ten five sixty 续表 用法 结构 示例 特别注意：hundred、thousand、million、billion 表示确定的数字时，不能用复数形式；表示不确定的数字时，必须用复数形式，并加上介词of。 三百美元 three _____ dollars 几百美元 _____ of dollars hundred hundreds 即学即练 ( )1.My aunt became a nurse in her _____ and she still loves her job now. A.twenties B.twentieth C.twenty D.the twentieth ( )2.—Do you know his birthday, Eric —Not exactly. I just know he was born _____. A.On July 1 B.in the 1980s C.On 1 July, 1980 D.in the 1980 A B ( )3.—We should try to devote (献身于) ourselves to our country like Yuan Longping. —I think so. He still worked on the research into agriculture (农业) at the age of _____. A.eighties B.eightieth C.eighty D.eighty-year-old ( )4.—China is a great country with a history of about five _____ years. —Yes. And _____ of foreigners come to visit it every year. A.thousand; thousand B.thousands; thousands C.thousand; thousands D.thousands; thousand C C ( )5.The new bridge is _____ meters long. A ... ...
