高考数词导学案.doc

高考复习数词专题导学案Teaching Aims:1. 掌握基数词和序数词的构成，转化及其主要用法。2. 掌握年,月，日，时的表达方式。3. 了解数词的某些特殊用法：如hundred,thousand,million,billion前用数词等修饰。温故互查用适当的数词完成下列句子：1. One h_ years is a century. 2. Thursday is the f_ day of the week. 3. Autumn is the t_ season of the year. 4. Christmas is on December the t_ each year. 5. Letter H is the e_ letter in the alphabet(字母表). 6. There are t_ months in a year. 7. My brother is just 20. Today is his _(20岁) birthday. 8. _ （三分之二）of the fish have been sold out.阅读感悟 数词的用法1) 编号事物的表示编号的事物常用“名词+基数词”表示，也可用“序数词+名词”表示；如果数字较大，需用“名词+基数词”表示住址、牌号及其他顺序号码 the ninth unitUnit 9 Bus No.103the No.103 bus World Warthe second world war Room 305 76 Changan Street汽车牌照号码、电话号码、货币数目 96178 nine six one seven eight Tel:8742589 Telephone number: eight seven four two five eight nine $5.46 five dollars forty-six cents2) 时刻的表示法 表示时刻用基数词表示整点可加oclock，口语中常省略 e.g. Excuse me. Whats the time? Its five (oclock).表示“几点几分”有两种形式A. 倒读法 30分以内用“分钟数+past+钟点数”，表示几点过几分。超过30分钟用“分钟数+to+下一个钟点数”，表示到几点差几分。15分钟用a quarter，30分钟用half，不用fifteen或thirty，不可在后面加oclock。 e.g. 7:10 ten past seven 6:50 ten to seven 3:15 a quarter past three 5:30 half past fiveB. 顺读法 第一个基数词表示钟点，第二个基数词表示分钟，“分钟”可用fifteen，thirtye.g. 1:15 one fifteen 10:30 ten thirty3) 年、月、日、时的写法和读法 表示日期用序数词，前面加定冠词 e.g. 3月8日 March the eighth 年份一般分为两部分读，先读前两位数，再读后两位数 e.g. 1949 nineteen forty-nine 以上时间合在一起的写法 e.g. 1955年10月1日上午10点 10:00 a.m. October 1st, 19554) 分数的表示法分数由基数词和序数词构成，基数词代表分子，序数词代表分母，除了分子为1的情况，序数词都要用复数形式。带分数中的整数用基数词表示，并用and和分数隔开。e.g. 14 one-fourths 3-25 three and two-fifths5) 小数、百分数的表示小数的表示 e.g. 6.4 six point four 12.409 twelve point four oh nine 表示百分数用“基数词+percent(per cent)”形式 e.g. 50% fifty per cent自学检测一、基数词的写法和读法. 你能用英语写出下面的数字吗？1. 869 2. 104 3. 1,230, 618 4. 6,666,666,666 . 单项选择( ) 1. Last year _ girls took part in the competition but only few of them succeeded.A. ten millions B. millions of C. ten million of D. ten millions of ( ) 2. Can you write the number one million, seven hundred and fifty-five thousand, six hundred and forty-six? Yes, it is_. .A. 1,755,646 B. 10, 755, 646 C. 17,055,646 D. 1,705,646二、考查序数词的用法. 根据括号内的汉语提示完成句子，每空词数不限。1. December is _ (十二) month of the year.2. Why do it _ (第二) time? Let me give you a hand this time.3. The_ (第六) question is much more difficult than this one. 单项选择( ) 1. How old is your son? _. We had a special party for his_ birthday last Sunday.A. Nine; nine B. Nine; ninth C. ninth; ninth D. Ninth; nine( ) 2. Although you failed four times, I hope you can have_ try. Thank you, I will.A. the fifth B. a fifth C. the fourth D. a fourth【指点迷津】1. 基数词变序数词：一二三要全变，其他-th加后面，8去t，9去e，5和12 ve变f，ty要变tie。2. 序数词在使用时，通常前面要加定冠词the，但是如果序数词前出现不定冠词a / an，则表示“再一、又一”。三、考查分数. 写出下列分数。1. 五分之四 2. 二分之一 3. 四分之三 4. 一个半小时 . 单项选择( ) 1._ of the students in this school is 2000, and _ of them are girls.A. The number; first fourth B. The number; one fourthC. A number; one second D. A number; three quarters( ) 2._ is enough for me.A. One and a half hour B. One hour and half C. One and half hour D. One and a half hours【指点迷津】1. 分数的写法：英语分数不费事，“母序子基”四个字。分子若是大于一，分母还须加-s。2. 当分数后面接名词时，如果分数表示的值大于1，名词用复数，小于1，名词用单数。四、考查年代、几十来岁、年、月、日和时刻的表达法. 单项选择( ) 1. What is the date today? Its _ .A. Thursday B. June the sixteenth C. the best day D. Monday( ) 2. When were you born in Shanghai? _ .A. In January 1st, 1995 B. On January 1st, 1995 C. On 1995, January 1st D. In 1st January, 1995( ) 3. He began to work there in his _ .A. fifties B. fifty C. fiftieth D. the fiftieth( ) 4. Its ten to ten. We can also read it _ .A. nine fifteen B. nine fifty C. ten past ten D. ten ten . 根据括号内的汉语提示完成句子。1. My grandpa joined the party_ (在20世纪30年代).2. Every day he begins to do his homework at _ (7:10).【指点迷津】1. 英语中年月日的表达法和汉语中的不同，年在后，月日在前，如July 4th, 1973。还要注意单纯年的表达法：一般分成两半来读，如1998 nineteen ninety-eight，但有一些比较特殊，如2000 two thousand；2008 two thousand and eight等。2. 时刻的表达法一般有三种：一种是按顺序用基数词读，如：6:15 six fifteen；一种是在半小时以内（包括半小时），用分钟+past+小时，如6:15 fifteen past six；另一种是超过半小时，用（60分钟）+to + (小时+1)，如：6:55 five to seven。3. in the + 年的复数，表示年代；in ones + 逢十的基数词复数，表示在“几十来岁”。当堂训练1.Now, everybody, please turn to Page _ and look at the _picture.A. Fifth; five B. Five; fifthC. Fifth; fifth D. Five; five2.There are over _ students in their school. A. hundreds B. nine hundreds C. hundreds of D. nine hundred 3.Last year, I visited a chemical factory in Baise, there are about _ workers in it. A. six thousands B. six thousand C. six thousands of D. six thousand of4.There are over _ students in their school. A. hundreds B. nine hundreds C. hundreds of D. nine hundred 5.How was your day off yesterday? Perfect! It was my grandmas _ birthday. We had a big cake. A. eighty B. eightieth C. the eightieth6.About_of the students in our class were born in the_A. two-thirds, 1990s B. two-thirds, 1990 C. two-third, 1990s7.Excuse me, how can I get to the museum?- Sorry. Its my_ time to he here. A. one B. first C. once8.For breakfast, I usually have_ and two pieces of bread. A. a cup of mild halfB. half a cup of milkC. a half milk cup D. half a milk cup9.David, how old is your father this year?_. And we just had a special party for his _ birthday last weekend. A. Fortieth; fortyB. Forty; fortyC. Forty; fortiethD. Fortieth; fortieth 101.How often do you exercise? A. Two B. Twice C. Second D.two times11.Excuse me, where can I buy a jacket?You can go to the Mens Wear Section on the_ floor.A. two B. twice C. second D.two times12.Look at the table .Han Fang wants to buy two pieces of bread ,a bottle of orange juice and an ice cream .How much will she pay? A. Five yuan and eighteen fen B. Six yuan and twenty fen C. Seven yuan and twenty