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1、專題四 數(shù)詞 學(xué)前自測(cè)（發(fā)現(xiàn)考點(diǎn)） ( )1. ____ people are sending and receiving text messages. A. Million of B. Several million of C. Millions of D. Several millions ( )2. Before the new year, ____ people went to visit the flower market. A. thousands of B. 8 th

2、ousands of C. 8 thousand of D. thousand of ( )3. It's my daughter's birthday today. She's ____ years old. A. eighteen B. eighteenth C. the eighteen D. the eighteenth ( )4. —Is it far from your home to school? —Not very far, only ____. A. 15 m

3、inute's rides B. 15 minutes' ride C. 15 minute's ride D. 15 minutes' rides ( )5. Time isn’t enough for me. Can you give me ___? A. two another minutes B. more two minutes C. another minutes two D. another two minutes ( )6. Each year ___ sharks

4、 are killed worldwide for their fins(魚鰭). A. million of B. millions of C. many millions D. four millions ( )7. It's about ____ walk from my home. A. ten minute B. ten minutes' C. ten minute's D. ten-minutes ( )8. The ol

5、d man has ___ sons. Deal is the ___ one. A. three; two B. three; second C. third; two D. third; second ( )9. This classroom is ____ ours. A. three times big as B. as three times big as C. three times as big as D. as big three times as (

6、 )10. The basketball team of our school ranks ___ in the match. A. three B. third C. the three D. the third ?？伎键c(diǎn)知識(shí)清單（研習(xí)考點(diǎn)） 考點(diǎn)一 基數(shù)詞的用法及讀法 1. 基數(shù)詞的構(gòu)成及讀法 基數(shù)詞 構(gòu)成及讀法 例詞 1 ~12 1 ~12 的基數(shù)詞為特定的獨(dú)立單詞 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twel

7、ve 13 ~19 13 ~19 的基數(shù)詞皆以-teen 結(jié)尾,單詞中的兩個(gè)音節(jié)都讀重音 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen 20 ~90 20 為 twenty。 30 ~90 之間的整十基數(shù)詞皆以-ty 結(jié)尾,第一個(gè)音節(jié)重讀 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 注意:1. 21 ~99 之間的各非整十?dāng)?shù)詞須在十位與個(gè)位之間加連字符“-”。 如:32 thirty-two 2. 讀數(shù)字時(shí),百位

8、和十位之間、百位和個(gè)位之間加 and。 如:134 one hundred and thirty-four; 106 one hundred and six 英語中的“萬”“億” 英語中的“萬”用十千表示,“億”用百個(gè)百萬來表示 forty thousand 四萬;two hundred million 兩億 其他數(shù)詞 1000 以上的數(shù)字,從后向前數(shù),每三位加“,”。 第一個(gè)“,”前為 thousand,第二個(gè)“,”前為 mil-lion,第三個(gè)“,”前為 one billion 或 one thousand million。 每一節(jié)從左到右按百、十、個(gè)的順序表示。 如:243,

9、 621, 304, 782 讀作:two hundred and forty-three billion, six hundred and twenty-one mil-lion, three hundred and four thousand, seven hundred and eighty-two 其他數(shù)詞 注意:hundred, thousand, million, billion 表示確定的數(shù)目時(shí)不用復(fù)數(shù)形式。 后面跟名詞時(shí),名詞需用復(fù)數(shù)形式;如果這四個(gè)基數(shù)詞后面跟 of 表示概數(shù),則此四個(gè)基數(shù)詞必須用復(fù)數(shù)形式。 如: thousands of 成千的 巧記: hund

10、red, thousand 和 million 等,有時(shí)含糊有時(shí)清;清時(shí)兩無(無 s 和 of),含糊時(shí)兩有(有 s 和 of)。 2. 基數(shù)詞的用法 (1) 基數(shù)詞在句中可用作主語、賓語、表語和定語。 Twenty of them are Young Pioneers. 他們當(dāng)中有二十個(gè)是少先隊(duì)員。 (2) 用于名詞之后表示順序編號(hào)。 Please open your books and turn to Page 28. 請(qǐng)打開書翻到第 28 頁。 (3) 基數(shù)詞可表示年份、時(shí)間(鐘點(diǎn))、電話號(hào)碼、年齡等。 I was born on July 12, 1989. 我出生在

11、 1989 年 7 月 12 日。 (4) 表示“世紀(jì)年代”,用“in + the +基數(shù)詞復(fù)數(shù)”。 in the 1990s 在 20 世紀(jì) 90 年代 (5) in one's+整十的基數(shù)詞復(fù)數(shù)表示“在某人……多歲時(shí)”。 The old woman is in her nineties. 這位老太太九十多歲了。 (6) “數(shù)詞+連字符+單數(shù)名詞”或“數(shù)詞+連字符+單數(shù)名詞+連字符+形容詞”構(gòu)成復(fù)合形容詞作定語。 We have a seven-day holiday in October. 在 10 月我們有一個(gè) 7 天的假期。 She is an eight-year-ol

12、d Chinese girl. 她是一個(gè) 8 歲的中國女孩。 考點(diǎn)二 序數(shù)詞的構(gòu)成及用法 1. 序數(shù)詞的構(gòu)成及讀法 范圍 特點(diǎn) 例詞 1 ~3 特殊記 first, second, third 4 ~19 在大多數(shù)基數(shù)詞末尾直接加-th fourth, seventeenth 八去 t,九減 e, f 來把 ve 替 eighth, ninth, fifth, twelfth 20 ~90 把基數(shù)詞后面的 y 變?yōu)?i 再加-eth twentieth, ninetieth 21 以上的多位數(shù) 個(gè)位數(shù)用序數(shù)詞,其余用基數(shù)詞 twenty-

13、first, one hundred and sixty-eighth 巧記: 基數(shù)詞變序數(shù)詞的口訣 基變序,有規(guī)律,一、二、三特殊記,結(jié)尾各是 t, d, d,八去 t,九減 e, f 來把 ve 替,整十變 y 為 ie,若是見到幾十幾,只變個(gè)位就可以,排列順序不費(fèi)力,連字符號(hào)莫丟棄。 巧學(xué)妙記加努力,hundred 是你的好成績(jī)! 2. 序數(shù)詞的用法 (1) 序數(shù)詞在句中可用作定語、主語、賓語和表語,前面要加定冠詞 the。 The first is always better than the second. 第一總是比第二好。 She will cho

14、ose the third. 她將選擇第三個(gè)。 (2) 序數(shù)詞前面可以用形容詞性物主代詞或名詞所有格修飾,此時(shí)序數(shù)詞前面不加定冠詞 the。 This is my third time to Shanghai. 這是我第三次去上海。 (3) 不定冠詞 a/ an 與序數(shù)詞連用,表示“又一;再一”。 I have been to Beijing twice, but I would like to go there a third time. 我去過北京兩次,但是我想再去一次那里。 鞏固訓(xùn)練（夯實(shí)基礎(chǔ)） 一、單項(xiàng)選擇 ( )1. — ___ trees were cut

15、down. And many birds lost their home. —I am sorry to hear that. A. Two thousands B. Thousands of C. Thousand of D. Two thousand of ( )2. Mr Zhang asked me ____ question before I could answer ____. A. the second; the first B. a second; a first C. a

16、second; the first D. the second; a first ( )3. —Is there ____ today? —Yes, a ___ boy was killed by an accident today. A. anything new; ten-year-old B. new anything; ten years old C. anything new; ten years old D. new anything; ten-year-old ( )4. —Can you read “1245”? —

17、Yes. It's _____. A. one thousand and two hundred and forty five B. one thousand, two hundred and forty-five C. one thousand, two hundred and forty five D. one thousand, two hundreds and forty-five ( )5. —There are thirty students in our class. —And _____ of them are boys. A. two third

18、 B. second third C. two thirds D. second threes ( )6. —You have failed three times. —But I would like ____ . A. four time B. four times C. a fourth time D. a four times ( )7. —Mary, what is three times three? —It's ____. A. six B. s

19、ixth C. nine D. ninth ( )8. —Can I book a room now? —Of course. ___ is available now. A. The 405 Room B. 405 Room C. The Room 405 D. Room 405 ( )9. —Do you know when is National Day? —It's on ____. A. first the October B. Octobe

20、r the first C. one of October D. October of the first ( )10. —What do you know about the letter? —It was written in ____. A. 1480's B. 1480s C. the 1480s D. the 1480 二、用所給單詞的正確形式填空 1. Father's Day is on the _____ (three) Sunday in June every year. 2. I

21、 go to the gym _____ (one) a week. 3. Today is my ________ (twenty) birthday. 4. There are ____ (fiftieth) people in the playground. 5. We have meals three _____ (time) a day. 6. My eldest brother wrote his first poem in his ______ (thirty). 7. __________ (Thousand) of people became homeless be

22、cause of the earthquake. 8. Three ________ (hundred) children took part in the activity. 9. I would like to have a _______ (two) banana though I have had one. 10. It’s September the ______ (nine) today. 答案： 學(xué)前自測(cè) 1-5 CAABD 6-10 BBBCD 鞏固訓(xùn)練 1-5 BCABC 6-10 CCDBC 1. third 2. once 3. twentieth 4. fifty 5. times 6. thirties 7. Thousands 8. hundred 9. second 10. ninth 6