人教英语七年度级上unit8

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1、Unit8Whenisyourbirthday?Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.掌握十二个月词汇和有关事件词汇;2.掌握第一到第一百序数词的全写与缩写;3.掌握有关询问日期及其回答.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.monthsoftheyea

2、r月份再现Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1stfirst2ndsecond3rdthird4thfourth5thfifth6thsixth7thseventh8theighth9thninth10thtenth11theleventh12thtwelfth13ththirteenth20thtwentiethEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5

3、ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.序数词:表示事物顺序的词,其前常加定冠词the。数字序数词变化规则例词1、2、3特殊记One→first第一two→second第二；Three→third第三4～19基数词词尾加-th特殊：five→fifth第五；eight→eighth第八；nine→ninth第九twelve→twelfth第十二一般：four→fourth第四nineteen→nineteenth第十九Evaluationonly.CreatedwithAspose.Slidesfor.NET3.

4、5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.20,3040,50,60,70,80,90-ty变为-tie再加thtwenty→twentieth第二十thirty→thirtieth第三十forty→fortieth第四十fifty→fiftieth第五十sixty→sixtieth第六十seventy→seventieth第七十eighty→eightieth第八十ninety→ninetieth第九十其余两位数将相应基数词的个位改为基数词twenty-one→twenty-first第二十一；thirty-n

5、ine→thirty-ninth第三十九；forty-six→forty-sixth第四十六Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.【记忆口诀】基变序，有规律，多数词尾加-th。一、二、三特殊记，词尾字母t,d,d。八去t,，九去e,字母f把ve替，然后再加-th。遇到几十几，只变个位就可以。序数词表顺序，一般须加定冠词。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.

6、5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.序数词的用法1.序数词要加定冠词the。但当序数词前有物主代词（his,her…）、指示代词（this,that…）等修饰时，则不必再用the。如：onthethirdfloor在三楼onhistwelfthbirthday在他十二岁生日这天2.序数词常用缩写形式，即“阿拉伯数字+个位序数词的后两个字母”。如：one→1st;second→2nd;third→3rd;twelfth→12th;twenty-sixth→26th3.序数词可表示日期“几月几日”中的“几日”。

7、如:August17th8月17日October1st10月1日Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.１月１５日４月３０日７月８日１０月１日５月２９日２月１４日６月２６日８月１２日９月２７日３月２０日５月１８日Januaryfifteenth(15th)Aprilthirtieth(30th)Julyeighty(8th)Octoberfir