數(shù)詞第七次課8詞

1、合口雙元音ei ai1Bake 燒烤 Kate 凱特May 五月Today 今天Great Way 道路 2Bike kite3數(shù)詞4數(shù)詞的概念 數(shù)詞表示數(shù)目的多少或順序先后。數(shù)詞分為基數(shù)詞和序數(shù)詞?；鶖?shù)詞：one ,two ,three,four.序數(shù)詞：first, fifth, ninth, twenty-eighth5基數(shù)詞的構(gòu)成112ElevenTwelve1319ThirteenFourteenFifteen SixteenSeventeenEighteenNineteen1319的數(shù)字都以teen結(jié)束。62099的基數(shù)詞表達(dá)Twenty ThirtyFortyFiftySixty

2、SeventyEightyninety2090整的基數(shù)詞，皆以ty 結(jié)尾，其中2199非整十基數(shù)詞，在十位與各位之間加連字符”-”thirty-one7100以上的基本基數(shù)詞100 a hundred1 000 a thousand10 000 ten thousand100 000 a hundred thousand1000 000 a million10 000 000 ten million100 000 000 a hundred million1000 000 000 a billion8百位的數(shù)目，一般在百位和十位之間或百位和各位之間加and 301 a hundred and

3、one320 three hundred and twenty648 six hundred and forty-eight9千位以上的數(shù)目從右向左數(shù)起，每三位數(shù)加一個(gè)逗號(hào)或空格。從右開(kāi)始，第一個(gè)逗號(hào)處讀thousand,第二個(gè)逗號(hào)或空格處讀million,第三個(gè)逗號(hào)處或空格處讀billion2 648 two thousand, six hundred and forty-eight3008 three thousand and eight16 250 064 sixteen millon, two hundred and fifty thousand, sixty-four5 237 16

4、6 234 five billion, two hundred and thirty-seven million, one hundred and sixty-six thousand,two hundred and thirty-four10hundred thousand million表示數(shù)量的用法1.hundred ,thousand ,million 等在表示確切數(shù)量時(shí)，用單數(shù)形式。如兩千人 two thousand people2.hundred,thousand, million表示不確切的數(shù)量時(shí)，要用復(fù)數(shù)形式，且與OF連用，如thousands of people幾千人3.hu

5、ndred thousand million可被具體的數(shù)字修飾，也可被several,a few等詞修飾幾千年 several thousand years 幾百本書 a few hundred books11There are over _students in their school.A hundreds b nine hundreds C hundreds of d nine hundred12練習(xí)Every year,_ people go to visit their factory.A a thousand of B thousandsC thousand of d thousa

6、nds of 13基數(shù)詞的句法功能1.Three from eight leaves five.八減去三得五。2.My cell phone number is 138499我的手機(jī)號(hào)碼是3.We still have one hour left.我們還剩一個(gè)小時(shí)的時(shí)間4.We two will help you .我們兩個(gè)會(huì)幫你。14序數(shù)詞序數(shù)詞除了first ,second, third 有獨(dú)特的形式外，其他基本是在基數(shù)詞詞尾加-th構(gòu)成1.20-90的序數(shù)詞的表達(dá) 20-90整十序數(shù)詞，將基數(shù)詞詞尾Y改成i，再加上-eth,如thirtieth, seventieth2.21-99非整十

7、的序數(shù)詞，僅把個(gè)位數(shù)變成序數(shù)詞，十位數(shù)不變，如twenty-first ,twenty-second,3.序數(shù)詞的縮寫形式在數(shù)字后直接加上序數(shù)詞的最后兩個(gè)字母。如1st,2nd, 3rd,4th,5th ,22nd15100以上的序數(shù)詞的表達(dá)第100 100th 讀作one hundredth第101 101st 讀作one hundred and first16This is Mr whites_visit to beijing .he has been there twice before.A two b second c three d third17序數(shù)詞的句法功能The first

8、is mine and the second is yours.第一個(gè)是你的，第二個(gè)是你的。You are the second to come.你是第二個(gè)來(lái)的。The second Sunday of May is Mothers day.五月份的第二個(gè)星期日是母親節(jié)。18數(shù)詞的用法556 號(hào)房間 room 55618路公交車 bus 18第八號(hào) number 8第223頁(yè) page 223 第9行 line 9電話號(hào)碼 009-902-435-7334讀作 telephone number zero,zero,nine nine zero two ,four ,three ,five ,s

9、even, double three four19Now ,everybody, please turn to page _and look at the _picture.A fifth fiveB five fifthC fifth fifthD five five20表達(dá)日期，年代用基數(shù)詞表示年，年代是四位數(shù)時(shí)，常先讀前兩位數(shù)，在讀后兩位數(shù)。日，通常用序數(shù)詞讀出，前面用定冠詞the年，月，日的表示順序，“月，日，年，或者是日，月，年，211997 讀作nineteen ninety-seven2009年10月25號(hào) october 25th,2009.25th october ,2009

10、 讀作october the twenty-fifty,two thousand and nine22英語(yǔ)中月份的省略寫法January-Jan.February-Feb.March mar.April May JuneJulyAugustSeptemberOctoberNovemberDecember23表達(dá) 年齡我15歲I am fifteen years old.在七歲時(shí)At the age of sevenAt seven At age seven一個(gè)七歲的女孩A girl who is seven A seven-year-old girl 在某人幾十歲的時(shí)候In ones +整十?dāng)?shù)

11、的復(fù)數(shù)形式 在他二十多歲的時(shí)候 in his twenties24表達(dá)時(shí)刻8:30 eight thirty9;05 nine o five8:18 eighteen past eight9:56 four to ten10:35 twenty-five to eleven 8:58 eight fifty-eight15分鐘常用quarter 半小時(shí)用half表示10：45 a quarter to eleven11:30 half past eleven25What time do you ususlly get up , john?I usually get up at _.A half

12、 past six B half to six C half after six26表達(dá)分?jǐn)?shù)，小數(shù)，百分?jǐn)?shù)分?jǐn)?shù)分子用基數(shù)詞，分母用序數(shù)詞，分子大于1時(shí)，分母須用序數(shù)詞的復(fù)數(shù)形式二分之一 比較特殊 one half三分之一 one third三分之二 two thirds分?jǐn)?shù)做主語(yǔ)時(shí)謂語(yǔ)動(dòng)詞的數(shù)應(yīng)跟飛鼠所修飾的詞的數(shù)保持一致。27_of the land in that district _covered with trees and grass.A Two fifths is B two fifth areC two fifth is D two fifths are28小數(shù)0.05 zero

13、 point zero five29百分?jǐn)?shù)百分?jǐn)?shù)用阿拉伯?dāng)?shù)字加百分號(hào)%或者percent3.5% three point five percent46% forty six percent30表示算式5+6=11 five plus six is /are /make/makes eleven11-5=6 eleven minus five is /makes six5x6=30 five times six is/are/make/makes thirty30除以6=5 thirty divided by five is /makes six.31表達(dá)倍數(shù)表示倍數(shù)時(shí)，一倍once ,兩倍用t

14、wice/double,三倍一上用“基數(shù)詞+times”1.倍數(shù)+as as 型We have produced three times as many as computers as we did last year.我們生產(chǎn)的計(jì)算機(jī)是去年的三倍之多。322. 倍數(shù)+the size of 用法與size 相同的名詞常見(jiàn)的有weight ,height ,depth, width, lengthChina is almost five times the size of mexico in area.在面積上，中國(guó)幾乎是墨西哥的五倍大。33序數(shù)詞的特殊用法3. 序數(shù)詞前不用the 或省略th

15、e 的情況I ll try a second time and see if I can do it .我還是要試第二次，看看我能否做得到。表示再一次，再一，4，序數(shù)詞前有物主代詞This is my twenty-third birthday.這是我的第23個(gè)生日34練習(xí)1,I got a beautiful bike on _birthday. I like it very much .A fifteenth B fifteen C my fifteen D my fifteenth35First of all 首先At first 當(dāng)初March eighth 三月八號(hào)October (the )first 十月一日36Alex is _(fourth) years old and is taken good car