初中數(shù)詞語(yǔ)法及練習(xí)

1、B:數(shù)詞專(zhuān)項(xiàng)第一部分：知識(shí)點(diǎn)分析一、基數(shù)詞1）基數(shù)詞讀法: 月，日，年，如 2007 年六月十三日讀作: June （the） thirteenth, two thousand and seven 具體某一天用介詞 on on Monday, on Tuesday ， May 24 （ 星期，月，日 ） （主要體現(xiàn)在口語(yǔ)考試和聽(tīng)力題目中）2）表示一個(gè)具體數(shù)字時(shí)， hundred, thousand, million, ,dozen,score一律不用復(fù)數(shù)；在表示一個(gè)不確定數(shù)字時(shí)則用復(fù)數(shù)。（確數(shù)沒(méi)s，概數(shù)加s, of s 同出現(xiàn)） 例如：There are three thousand stud

2、ents in our school.After the war, thousands of people became homeless.基數(shù)詞位置: “名詞 +基數(shù)詞”Lesson 15; Room 1506 或者用“ the + 序數(shù)詞 + 名詞”The Fifteenth Lesson the third floor, Paragraph 2， No,11、時(shí)間均用基數(shù)詞表示:1）順讀法，先說(shuō)“點(diǎn)鐘” ，再說(shuō)“分鐘” ，如:2:15 two fifteen 6:20 six twenty2）逆讀法30 分鐘以?xún)?nèi):“分鐘數(shù) + past + 鐘點(diǎn)數(shù)”，如:3:20 - twenty pa

3、st three 2:10 - ten past two半小時(shí)用 half ，15分鐘用 a quarter :2:15 - a quarter past two 3:30 - half past three30 分鐘以外要用: “分鐘數(shù) + to + 下一個(gè)鐘點(diǎn)”，如:4:35 - twenty-five to five 2:55 - five to three1）在一些表示 一排 或一組的詞組里；如: They arrived in twos and threes. 他們?nèi)齼蓛傻牡竭_(dá)了。1） 表示 幾十歲 ， in one s + 數(shù)詞 例如: He died in his fortie

4、s2）表示 年代 ，用 in +the + 數(shù)詞復(fù)數(shù)； in the 1960s.2） 一到十二分別記。十三到十九都帶teen二十到九十整的數(shù)， ty 結(jié)尾別忘記 要是表示幾十幾，一橫十位連各位。one two threethirtee ntwe ntya hun dredfourfourtee nthirtya thousandfivefiftee nfortytwenty-onea millio nsixsixtee nfiftythirty-eighta billi onseve nseve ntee nsixtyfifty-threeeighteightee nseve ntynine

5、nin etee neightytenninetyeleve ntwelve4）數(shù)詞形容詞（只能做前置定語(yǔ)）A boy five years old.A five-year-old boy.二、序數(shù)詞The加序數(shù)詞表第幾，a加序數(shù)詞表又一，再一1）序數(shù)詞主要用作定語(yǔ)，前面要加定冠詞，例如：The first truck is carry ing a lot of baskets.2）序數(shù)詞有時(shí)前面可加不定冠詞來(lái)表示“再一”，“又一”這樣的意思，例如：Well have to do it a sec ond time3）1 至 12 序數(shù)詞：one-first, two-second, thre

6、e-third, four- - fourth five-fifth,six sixth,seve n seventh,eight-eighth,nine-nin th,te n ten th,eleve n-eleve nth twelve-twelfth縮寫(xiě)形式：first t 1stseco nd 2ndthird t3rdfou rth t4th twenty-second22ndfirsteleve nthtwen tiethtwen ty-firsta hun dred and fifty-thirdsecondtwelfththirtiethnin ety-nintythirdt

7、hirtee nthfortiethfourthfourtee nthfiftiethfifthfiftee nthsixtiethsixthsixtee nthseve ntiethseve nthseve ntee ntheightietheightheightee nthnin etiethnin th ten thnin etee nthhun dredth4)分?jǐn)?shù)：分子用基數(shù)，分母用序數(shù)，分子大于1,分母加-S。分?jǐn)?shù)修飾的名詞作主語(yǔ)。謂語(yǔ)動(dòng)詞的單復(fù)和名詞一致。three fourths, one sec ond, two fifths, three quarters數(shù)詞與小時(shí)的搭配h

8、alf 一半，a halfone and a half hour, two hours and a half three hours half an hour倍數(shù)表示法主語(yǔ)+謂語(yǔ)+倍數(shù)+ as + 形容詞+ asA is three times as big as Bis three times bigger than BA is three times the size主語(yǔ)+謂語(yǔ)+倍數(shù)+形容詞比較級(jí)+thanA主語(yǔ) + 謂語(yǔ) + 倍數(shù) +the size ( length,breadth,level )+ofof B 3、易錯(cuò)點(diǎn)1. We will have aholiday after t

9、he exam.A. two month B. two-mon th C. two mon th s D. two -mon ths答案：B (選擇C的同學(xué)要注意應(yīng)用two mon ths ; 選擇D的同學(xué)要注意名詞之間有后的組合詞當(dāng)作形容詞來(lái)用，因此就不用所有格形式了.)2. .trees are cut dow n in the forests every year.A. Thousa nd B. Thousa nds C. Thousa nd of D. Thousa nds of 答案：D.（選擇C的同學(xué)注意詞組記憶的準(zhǔn)確性）3. Our sports meet ing will be

10、 held.A. on 24, Tuesday, April B. in April 24, TuesdayC. on Tuesday, April 24 D. in April Tuesday 24答案：C.（具體某一天介詞on，時(shí)間排序：星期，月，日）2002,5,20 :May 20th,2002,the twentieth of May,2002注意：數(shù)詞形容詞作定語(yǔ)時(shí)，一般用單數(shù)形式a seve n- year-old boy4. Our school will hold a sports meet ing n ext week. Toma nd I will be in boys

11、.race race metre race答案：C. 800 來(lái)修飾 race,有兩種表達(dá)法，800-metre race 或 800 metres race.5. Im very hun gry, I have eate n two cakes, would you please give me one?A. move B. three C. a third D. the third答案：C.序數(shù)詞前加不定冠詞，表示“又一，再一”，表示 an other。6. of the land in the world is covered by water.A. Four three B. Thre

12、e four C. Three fourth D. Three fourths答案：D.此題考查分?jǐn)?shù)的寫(xiě)法，如果分子大于1，分母用復(fù)數(shù)。例 6 We will have holiday in the winter.A. four weeks B. a four-week C. four week D. a four weeks答案：B.此題為一個(gè)四星期的假期，數(shù)次形容詞作前置定語(yǔ)。1. -How many workers are there in your factory?-There are two.A. hun dreds B. hun dred C. hun dred of D. hun

13、 dreds of2. Aboutstude nts in our class can describe that place in En glish.A. three-fifths B. three-fifth C. third-five D. third-fifths3. -Ca n you write the n umber eighty-five thousand, six hundred and twenty-six?-Yes, it is.A. 856620 B. 85626 C. 58662 D. 586264. . When was the PRC founded? It wa

14、s founded on.A. July 1, 1921 B. 1, 1949,October C. August ,1927 1,May ,19225. . Chinese are looking for ways to learn English well before Beijing2008Olympics.A. Thousa nd B. Thousa nds C. Thousa nd of D. Thousa nds of6. Mr Zhang teaches at Middle School.A. a .5 C. the No7. John lives on floor.A. twe

15、nty B. twentieth C. the twentieth D. the twentyth8. He has worked on the farm for years.A. two and half B. two and a halfC. a half and two D. two halves and a1. It is said that SARS has killed more thanpeople worldwide.A. three hundredsB. three hundreds C. three hundred s D. threehun dred2. -What do

16、 you think of a war, Li Ming?-I ve no idea. But it s a fact that people had to leave their hometownduri ng the War on Iraq.A. three millions B. million of C. millions ofD. several millions3. Both of the two rulers are broke n. I want to buy aone.A. three B. third C. forth D. /4. of the earthmade up of ocea ns.A. Two-third; is B. Two-thirds; is C. Two-third; are D. Two-thirds;are5. Since 1964,satellites have bee n sent into space.A. doze ns ofB. four doze ns C. doze n