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1、人教版精品英语资料（精校版）九年级英语下专题复习4数词学案【学习目标】1. 掌握基数词与序数词的构成及用法。 2. 掌握分数、时间、日期的表达法。【重点难点】数词的用法及分数的表达法【知识铺垫】1. 数词是表示数目和顺序的词。数词又分为基数词和序数词两类。基数词表示数目,序数词表示顺序。2. 英语中分数的表达方法是：分子用基数词,分母用序数词,如1/2：one second；如果分子大于1时,分母则用复数形式,如2/3：two thirds。 【课堂探究】探究1基数词和序数词序数词作定语时前面一般要加定冠词the。但是其前若有this, that, my等限定词修饰时,则不加the。如： Ou
2、r classroom is on the second floor.我们的教室在二楼。 This is our first lesson this term. 这是我们这学期的第一节课。 【针对练习】 1. “When is your mothers birthday, Tina?” “Its On July the_.” A. twenty B. ninth C. five 2. Well be back for our schools_ anniversary ceremony. I see. That means youll have a get-together with your
3、classmates in _ years. A. fifteen；seven B. fifteenth；seven C. fifteen；seventh D. fifteenth；seventh 探究2分数的表达法请记住下面的口诀： 分子基数词,分母序数词,分子大于1,分母加s。【针对练习】Nearly _ of the earth _ covered by sea.A. three fourth；is B. three fourths；is C. three fourth；are D. three fourths；are 探究3 hundredsthousandsmillions of的用
4、法 1. 当前面有数词以及many, several等词修饰时,用单数形式,后面直接跟复数名词。如：two hundred students 200名同学们,several thousand enemies几千敌人 2. 当这些词前面没有数词而后面有of时,则一定要用复数形式,表示笼统的数目。如：thousands of dollars数千美元【针对练习】 Because of Project Hope,_ children have better lives. A. thousand B. thousands C. thousand of D. thousands of 【达标练习】单项选择
5、。1. There are months in a year. October is the month. A. twelve; ten B. twelfth; tenth C. twelve; tenth D. twelfth; ten2. Good news! Bill won medal in the long jump just now. Really? Thats his one at the sports meeting. A. a; four B. an; four C. a; fourth D. an; fourth3. About of the workers in the
6、factory were born in the_. A. two thirds; 1970 B. two thirds; 1970s C. two third; 1970 D. two third; 1970s4. Have you seen the CCTV news on TV? Yes, children had a good festival on the Childrens Day. A. millions of; sixty B. ten million; sixty C. millions of; sixtieth D. ten millions; sixtieth5. Pet
7、er, how old is your father this year? . And we just had a party for his birthday last weekend. A. Fortieth; forty B. Forty; forty C. Forty; fortieth D. Fortieth; fortieth6. About_ of the books in our school library are written in Chinese. A. four fifth B. four fifths C. fourth fifths D. fourths fift
8、h7. The girl wanted to sing_ song in English.A. the others B. a second C. other D. the second8. This is the _ time in _ days that he has made the same mistake.A. second; third B. two; three C. two; third D. second; three9. How much does it cost to build the school library? Four _ yuan.A. million B. millions C. million of D. millions of10. Liu Xiang is an Olympic winner in the _ hurdles (跨栏). Were proud of him.A. 110-metre B. 110-metres C. 110 metre D. 110 metres【学后反思】_参考答案：15 CCBCC610 BBDAA
