暑假专题序数词、月份与日期、时间表达法
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暑假专题——序数词、月份与日期、时间表达法 一. 教学重点与难点： 1. 基数词如何变成序数词 2. 日期前介词的使用 3. 表达时间的两种方式 二. 具体内容： （一）序数词的构成 1. 序数词的基本构成一般是在相应的基数词后加-th，但要注意一些基数词变为序数词的不规则之处。 Eg. one—first two—second three—third five—fifth eight—eighth nine—ninth twelve—twelfth 1. 以-ty结尾的基数词变序数词的规则是把y改为ie，再加-th。 Eg. twenty—twentieth forty—fortieth sixty—sixtieth fifty—fiftieth 2. 多位的序数词只将末尾的基数词变为序数词，前面的位数不变。 Eg. twenty-one—twenty-first thirty-five—thirty-fifth eighty-six—eighty-sixth 3. 另外，序数词的简写形式用阿拉伯数字与序数词的最后两个字母表示。 Eg.5th 第五 8th 第八 21st 第二十一 103rd 第一百零三 （二）序数词的基本使用 1. 表示日期 eg. Mellissa’s birthday is on April 22nd. Christmas Day is on December 25th. 2. 表示第…… eg. Today we’ll learn the seventh lesson. Our classroom is on the third floor. He won the first prize. （三）月份与日期 1. 月份前面不用冠词，它们的缩略形式如下： January—Jan. February—Feb. March—Mar. April—Apr. May—May. June—Jun. July—Jul. August—Aug. September—Sept. October—Oct. November—Nov. December—Dec. 2. 美式英语表示日期，其顺序为“月+日+年”，英式英语为“日+月+年”。在年份前用逗号隔开，且“日”用序数词。 Eg. He was born on May 2nd, 2005. Today is 1st August, 2004. 3. 日期前介词的使用 年、月前用in eg. He came to Beijing in June. She was in America in 2000. 日、天前用on eg. Linda is at home on Sunday. National Day is on October 1st. （四）时间表达法 1. 顺读法：钟点数+分钟数 4:25—four twenty-five 7:00—seven o’clock 2. 逆读法：分钟数+介词（to/past）+钟点数，可分为两种情况。 （1）分钟数不超过半小时，即小于、等于30分钟，用分钟数+past+钟点数 eg. 4:23 – twenty-three past four 5:19—nineteen past five （2）分钟数超过半小时，即大于30分钟时，用所差的分钟数+to+下一个钟点数 eg. 7:50—ten to eight 10:48—twelve to eleven （3）英语习惯把15分钟(fifteen)称为一刻a quarter，30分钟(thirty)称为half eg. 9:45—fifteen/ a quarter to ten; nine forty-five 10:30—half past ten; ten thirty 3. 提问时间 What time is it? It’s nine thirty. What is the time? It’s half past nine. I usually get up at a quarter past six in the morning. When/ What time do you get up in the morning? 四. 课堂练习 （一）单选。 1. —When were you born? — November 5th. A. In B. At C. On D. Of 2. We work weekdays and have a rest weekends. A. on, at B. at, on C. in, on D. at, in 3. We have two lessons Monday morning. A. in B. at C. on D. of 4. December is month of the year. A. twelve B. twelveth C. twelfth D. the twelfth 5. The school is not far from his home. He often rides to school his bike. A. by B. in C. on D. at （二）就划线部分提问。 1. Lisa has English on Tuesday. 2. It’s eight o’clock. 3. Hilda usually walks to school. 4. Hilda usually walks to school with her sister. 5. The students go to the park on Sundays. （三）阅读下面短文，从方框中选择适当的词填空。 by, at, don’t, home, early, on, begin, basketball, evening, and 1 weekdays, I get up at 6:30. I have breakfast at 7:00 2 then I go to school. I usually go to school 3 bike. I get to school at about 7:30 every day. I 4 like to be late. Our classes 5 at 8:00. I have lunch 6 school. In the afternoon, classes are over at 3:30, and I get 7 at about 4:00. But sometimes I don’t leave school so 8 ,because I play 9 there. Then I get home at 5:40. I have super at about 6:00. In the 10 , I do my homework . I often watch TV, but sometimes I like to do some reading. I go to bed at about 10:00. 以上答案请见名师面授！ 【模拟试题】（答题时间：30分钟） 一. 用括号中所给单词的适当形式填空。 1. We are going to learn the (one) lesson today. 2. Lisa enjoys (watch) TV in the evening. 3. He plays computer games four (time) a week. 4. When is your (brother) birthday, David? 5. I learn many things at school and my favorite (subject) are math and physics. 二. 单选。 1. We have no school Sundays. A. on B. at C. in D. with 2. He gets to Shanghai the morning of Friday. A. in B. at C. on D. for 3. My mother cooking very much. A. enjoy B. likes C. like D. likes to 4. Mrs. Brown likes eating chicken, but today she beef. A. like eating B. like to to eat C. likes to eat D. eat 5. books are there in your backpack? A. How many B. How much C. When D. where 6. They leave their school July. A. in B. on C. from D. at 三. 完型填空。 My father is a farmer. He lives 1 my mother in a village. It is 2 the town of Ashland. My father grows rice and 3 . He works very hard. He 4 very early every morning. He 5 home at half past six and walks to the field. His work starts at seven o’clock. He 6 back home for lunch. He 7 a short rest after lunch. Then he goes back to work again. He often 8 his work at a quarter to two. He goes back home at a quarter 9 seven. He usually goes to bed before nine o’clock. He 10 to bed earlier than my mother. 1. A. and B. with C. in front of D. together 2. A. in B. at C. outside D. out 3. A. vegetables B. vegetable C. apples D. food 4. A. gets up B. get up C. put up D. put on 5. A. leave B. leaves C. go D. goes 6. A. get B. comes C. come D. go 7. A. have B. make C. has D. does 8. A. begin B. begins C. come D. comes 9. A. past B. at C. from D. in 10. A. go B. goes C. walk D. walks 【试题答案】 一. 1.first 2. watching 3. times 4.brother’s 5. subjects 二. 1—6 A C B C A A 三. 1—5 B C A A B 6—10 B C B A B 本文来源：https://www.wddqw.com/doc/a869bf55f32d2af90242a8956bec0975f465a4a2.html