第一輪復習第一輪復習 語法專題語法專題專題四專題四 數(shù)詞數(shù)詞考考 點點 梳梳 理理中中 考考 鏈鏈 接接廣廣 東東 真真 題題考考 點點 精精 練練 廣東真題廣東真題C ( ) 1. I live in Room 403, Sam lives in the room right above mine, on the _ floor. (2015廣東） A. third B. three C. fifth D. five 廣東真題廣東真題( ) 2. Its never too old to learn. Karl Marx began to learn English in his_. A. the fiftieth B. fiftieth C. fifty D. fifties (2014廣東）( ) 3. Excuse me, sir. Heres a package for Lin Tao. Which room does he live in? _.（2013廣東） A.308 Room B. Room 308 C. The Room 308 D. The 308 RoomD B 廣東真題廣東真題B ( ) 4. - how was your weekend? （2012廣東） - Great! It was my grandfathers _ birthday. We enjoyed ourselves. A. seventy B. seventieth C. the seventieth D. seventeenth( ) 5. After the Asian Games, _ people came to Guangzhou for a visit during holidays. A. thousand B. thousands of C. five thousands D. five thousand of（2011廣東）B 廣東真題廣東真題( ) 6. This is Mr. Whites _ visit to Beijing. He has been there twice. （2010廣東） A. two B. second C. three D. thirdD 考點梳理考點梳理數(shù)詞分為基數(shù)詞和序數(shù)詞兩種。 基數(shù)詞表示數(shù)量 序數(shù)詞表示順序考點一：考點一： 基數(shù)詞基數(shù)詞1. 基數(shù)詞的構(gòu)成（1） 1-12 單獨記：one two three four five six seven eight nine ten eleven twelve（2） 13-19詞尾為teen: thirteen fourteen fifteen sixteen seventeen eighteen nineteen（3） 20-90的整十數(shù)詞尾為ty: twenty thirty forty fifty sixty seventy eighty ninety（4） 表示基數(shù)單位的數(shù)詞有： hundred （百） thousand （千） million （百萬） billion （十億）2. 基數(shù)詞的讀法和寫法。（1） 十位和個位之間用連字符。25 twenty-five 99 ninety-nine（2） 百和十之間加and。 555 five hundred and fifty-five 202 two hundred and two（3） 1000以上的數(shù)詞，從后往前每三位用逗號隔開。最后一個逗號用thousand （千），倒數(shù)第二個用million （百萬），倒數(shù)第三個用billion （十億），然后每節(jié)都用幾百幾十的方法表示。 例如： 591，734，802，693 five hundred and ninety-one billion，seven hundred and thirty-four million，eight hundred and two thousand，six hundred and ninety-three 3. 基數(shù)詞的用法。（1） hundred，thousand，million和billion這些數(shù)詞有兩種用法：一是表具體數(shù)詞 （包括數(shù)量詞several），其后不能加-s，如：three thousand people 三千人；二是表概數(shù)，其后加-s并要和of連用，此時前面不能有具體的數(shù)字修飾。如：hundreds of 成百上千的 thousands of 成千上萬的 millions of 上百萬的（2）與基數(shù)詞合成的復合定語，其中的名詞用單數(shù)。 an eight-year-old boy 一個八歲的男孩 a five-year plan 一個五年計劃 a seven-day holiday 為期七天的假期 ten-minute walk 十分鐘的步行路程( ) 1. The number of the cars in our neighborhood is about eight _, and _ of them are new cars. A. hundreds; two thirds B. hundred; two third C. hundred; two thirds D. hundreds; two thirdC 考點再現(xiàn)考點再現(xiàn)( ) 2. I dont believe that this _boy can paint such a nice picture. A. five years old B. five-years-old C. five-year-old D. five year oldC 考點再現(xiàn)考點再現(xiàn)考點二：序數(shù)詞考點二：序數(shù)詞1. 序數(shù)詞的構(gòu)成（1） 第一、第二、第三特殊記： first （1st） second （2nd） third （3rd）（2） 第四至第十九分別在相對應的基數(shù)詞后加-th: fourth （4th） fifteenth （15th）但是 five-fifth （5th），nine-ninth （9th），twelve-twelfth （2012th） 特殊記。（3） 21-99等數(shù)的序數(shù)詞只需把相應的基數(shù)詞的個位數(shù)變?yōu)樾驍?shù)詞： twenty-first （21st）（4） 20-90 整十數(shù)的序數(shù)詞由相應的基數(shù)詞去y加-ieth構(gòu)成：sixty-sixtieth （60th）2. 序數(shù)詞的用法。（1） 序數(shù)詞前一般要加the。若前有物主代詞、名詞所有格等就不加the。 Its my first time to come to Zhanjiang. 這是我第一次來湛江。（2） 序數(shù)詞前用a，表示“又一，再一”。 Ill go to Beijing a second time next week. 我下個星期要再去北京一次 ( ) 3. Tomorrow is the boys _birthday. A. seventh B. seven C. seventeen D. the seventh A考點再現(xiàn)考點再現(xiàn)類類別別說明說明例詞或例句例詞或例句時刻時刻(1) 用基數(shù)詞，按順序讀。(2) 用past (過)，用于半小時內(nèi)。(3) 用to (差)，用于半小時后。(1) 7:25 seven twenty-five(2) 7:05 five past seven(3) 6:55 five to seven期日期日先寫月日或日月，再寫年份。1st Sept. 2012 the first of September，twenty twelveMar. 8th ,1999 March the eighth, nineteen ninety-nine考點三：基數(shù)詞和序數(shù)詞的用法?？键c三：基數(shù)詞和序數(shù)詞的用法。代年代年表示“幾十年代”或“幾十歲”，用逢十的基數(shù)詞的復數(shù)。(1)在19世紀30年代：in the 1830s/1830s(2)在他80多歲時：in his eighties數(shù)小數(shù)小小數(shù)點讀point。小數(shù)前后各數(shù)都按基數(shù)詞讀，零 讀 作 o 音 或zero.0.7 讀作zero (o) point seven 25.25 讀作twenty-five point two five概數(shù)概數(shù) 一兩個蘋果：one or two apples= one apple or two兩三個蘋果：two or three apples= two apples or three一個半小時：one and a half hours=one hour and a half半小時：half an hour每五分鐘：every five minutes順序編號順序編號表達年級、行、課、房間等的編號時要用：名詞+ 基數(shù)詞= the+ 序數(shù)詞+名詞一年級：Grade One第六課：Lesson Six = the sixth lesson802房： Room 802百分比百分比百 分 比 由 基 數(shù) 詞+percent組成。百分數(shù)作主語謂語動詞取決于后面的名詞。名詞是復數(shù)，謂語用復數(shù)，名詞是單數(shù)或不可數(shù)，謂語用單數(shù)。44% 讀作forty-four percentMore than 25 percent of the surface of the ground is covered with grass. 超過25%的地面被草覆蓋著。倍數(shù)倍數(shù)(1)倍數(shù)+as+形(副)原級+as(2)倍數(shù)+形(副)比較級+than(3)倍 數(shù) + t h e size(length)+ of (表示大小或數(shù)量的名詞)This room is three times as large as that one.= This room is twice larger than that one.= This room is three times the size of that one.這間房是那間房的三倍大。 分數(shù)分數(shù)分子用基數(shù)詞，分母用序數(shù)詞，分子大于1，分母的序數(shù)詞用復數(shù)。分數(shù)作主語，謂語動詞取決于后面的名詞。1/2 讀作 a (one) half 1/3 讀作 a (one) third 4/5 讀作four fifths 1/4 讀作a (one) quarter/fourth 4 2/3 讀作four and two thirdsTwo thirds of the students in my class are boys.四則運算四則運算加號用plus / and減號用minus乘號用times除號用divided by9+8=17， 讀作 Nine plus (and) eight is seventeen.11-5=6 ， 讀作 Eleven minus five is six.65=30，讀作 Six times five is thirty.357=5， 讀作 Thirty-five divided by seven is five.( ) 4. _of the land is covered with trees and grass in Pingjiang, Yueyang. A. Three fives B. Three fifths C. Three fifth D. third fifth( ) 5. Lets go to the bookstore at half past nine tomorrow morning. Its too lateLets make it _. A. twenty to ten B. a quarter to nine C. a quarter to ten D.ten oclock B 考點再現(xiàn)考點再現(xiàn)B 中考鏈接中考鏈接1-5 DCCAD 6-10 AACDB11-15 DADBB 16-20 ABCBB 考點精練考點精練1-5 ABBCA 6-10 CDADC11-15BDDBC 16-20ACBBB