專題四 數(shù)詞 學前自測（發(fā)現(xiàn)考點） ( )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 thousands 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 minute'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 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 old 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 ( )10. The basketball team of our school ranks ___ in the match. A. three B. third C. the three D. the third ?？伎键c知識清單（研習考點） 考點一 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)詞為特定的獨立單詞 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 13 ~19 13 ~19 的基數(shù)詞皆以-teen 結(jié)尾,單詞中的兩個音節(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 之間的各非整十數(shù)詞須在十位與個位之間加連字符“-”。 如:32 thirty-two 2. 讀數(shù)字時,百位和十位之間、百位和個位之間加 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“,”前為 thousand,第二個“,”前為 mil-lion,第三個“,”前為 one billion 或 one thousand million。 每一節(jié)從左到右按百、十、個的順序表示。 如:243, 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)目時不用復數(shù)形式。 后面跟名詞時,名詞需用復數(shù)形式;如果這四個基數(shù)詞后面跟 of 表示概數(shù),則此四個基數(shù)詞必須用復數(shù)形式。 如: thousands of 成千的 巧記: hundred, thousand 和 million 等,有時含糊有時清;清時兩無(無 s 和 of),含糊時兩有(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. 他們當中有二十個是少先隊員。 (2) 用于名詞之后表示順序編號。 Please open your books and turn to Page 28. 請打開書翻到第 28 頁。 (3) 基數(shù)詞可表示年份、時間(鐘點)、電話號碼、年齡等。 I was born on July 12, 1989. 我出生在 1989 年 7 月 12 日。 (4) 表示“世紀年代”,用“in + the +基數(shù)詞復數(shù)”。 in the 1990s 在 20 世紀 90 年代 (5) in one's+整十的基數(shù)詞復數(shù)表示“在某人……多歲時”。 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)成復合形容詞作定語。 We have a seven-day holiday in October. 在 10 月我們有一個 7 天的假期。 She is an eight-year-old Chinese girl. 她是一個 8 歲的中國女孩。 考點二 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 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) 個位數(shù)用序數(shù)詞,其余用基數(shù)詞 twenty-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,只變個位就可以,排列順序不費力,連字符號莫丟棄。 巧學妙記加努力,hundred 是你的好成績! 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 choose the third. 她將選擇第三個。 (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。 鞏固訓練（夯實基礎(chǔ)） 一、單項選擇 ( )1. — ___ trees were cut 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 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”? —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 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. sixth 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. October 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 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 because 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： 學前自測 1-5 CAABD 6-10 BBBCD 鞏固訓練 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