【小学】011专项训练：数词.doc

第三讲：数词【考点解读】数词在我们的日常生活中时时出现因此它的学习既有趣味又有点繁琐。在小学阶段我们需要掌握好基数词和序数词的运用日期和时刻的表达约数和具体数字的区别听懂别人的表达并且能够在自己的表述中准确运用它们。【知识讲解】知识点1——基数词和序数词基数词序数词基数词序数词基数词序数词基数词序数词onefirsteleveneleventhtwenty-onetwenty-firsttententhtwosecondtwelvetwelfthtwenty-twotwenty-secondtwentytwentieththreethirdthirteenthirteenthtwenty-threetwenty-thirdthirtythirtiethfourfourthfourteenfourteenthtwenty-fourtwenty-fourthfortyfortiethfivefifthfifteenfifteenthtwenty-fivetwenty-fifthfiftyfiftiethsixsixthsixteensixteenthtwenty-sixtwenty-sixthsixtysixtiethsevenseventhseventeenseventeenthtwenty-seventwenty-seventhseventyseventietheighteightheighteeneighteenthtwenty-eighttwenty-eightheightyeightiethnineninthnineteennineteenthtwenty-ninetwenty-ninthninetyninetiethtententhtwentytwentieththirtythirtiethonehundredonehundredth知识点2——时刻的表达顺读法小时+分钟7:20读作：seventwenty逆读法分钟≦30分钟分钟+past+小时7:15读作：aquarterpastseven分钟>30分钟（60-分钟）+to+(小时+1)7:48读作：twelvetoeight7:45读作：aquartertoeight知识点3——日期的表达表达顺序书写方式读法月/日年份May12018Maythefirst2018日/月年份1May2018thefirst(day)ofMay2018知识点4——年龄的表达attheageof…在..岁时…year(s)old…岁inone’sfifties在某人五十多岁时知识点5——约数与具体数目的表达约数与具体数字示例数字+hundred/thousand+nsfivehundredstudentsseventhousandstudentsahundred=onehundred约数+hundred/thousand+nssomethousandstudentsseveralhundredstudentsmanythousandstudents数字/约数词+hundred/thousand+ofthensfivehundredofthestudentsinourschoolseventhousandofthestudentsseveralhundredofthestudents(不加数字或约数词)hundreds/thousandsof+nshundredsofstudentsthousandsofstudents知识点6——a/an用法区别用法示例a用于发音以辅音音素开头的单词前a/an+（修饰词）+n(单数）asingeraschoolachildaknifeabigorangearedapplean用于发音以元音音素开头的单词前a/an+（修饰词）+n(单数）anappleanorangeanorangepenanEnglishcaranumbrellaanAmericangirl知识点7——a/an用法易错点易错点单词以元音字母开头发音却以辅音音素开头字母u开头:auniversityausefulbookaunitauniform字母e开头:aEuropeancountry字母o开头:aone-eyedmonkeyaone-waystreet单词以辅音字母开头发音音却以元音音素开头anhouranhonestboy26个字母中以元音音素发音开头的字母有12个aefhilmnors