1、数词,数词（Numerals）,基数词,序数词,数目,次序,基数词,例: 101：one hundred and one 999:nine hundred and ninety-nine 1001: one thousand and one 8456:eight thousand four hundred and fifty-six 18657421:eighteen million six hundred and fifty-seven thousand four hundred and twenty-one,表示具体、准确的数目时，hundred, thousand, million等词后
2、不能加-s,如：five hundred, six thousand, seven thousand, seven million 等。 当hundred, thousand等数词与of 连用，表示不具体、不准确的数目时，词尾须加-s。如：thousands of students, millions of trees.,序数词,表示年龄,I am fifty-five years old. 或者 I am fifty five. 我55岁。 10岁： ten years old/ten. The boy is ten years old/ten. 29岁：She is twenty-nine
3、 (years old).,表示时间,整点,8点：eight oclock I go to work at eight (oclock).,非整点,半个小时以内包括半个小时都用几点几分表示，用到past这个词： 7点10分：ten past seven 8点一刻：a quarter past eight 9点半：half past nine 半个小时以后，用介词to来表示： 7点差2分（6点58分）：two to seven 8点差一刻：a quarter to eight 9点差18分：eighteen to nine,简单表示法：直接用基数词表示： 1:20=one twenty; 9:3
4、0=nine thirty; 8:23=eight twenty-three,表示年代、年、月、日,年代,形式：the+基数词复数形式：30年代：the thirties 在上个世纪的90年代：in the nineties of the last century,年月日,年用基数词表示: 1999: in nineteen ninety-nine 日用序数词表示：在1号：on the first; 在23号：on the twenty-third 表示月份不用基数词也不用序数词，有属于表达月份自己的单词：January(一月) February(二月) March(三月) April(四月)
5、 May(五月) June (六月) July(七月) August (八月) September (九月) October(十月) November (十一月) December (十二月),英语中表达年月日的顺序 应该是：月日年或者日月年 1961年3月7日(March 7, 1961) March (the) seventh, 1961 7th March,1961,表示钱,20元：twenty yuan 50美元：fifty dollars 90英镑：ninety pounds,表示房间号,房间301： Room three o one 三号楼206房间：Room two o six,
6、 Building three,表示长、宽、高,3米长：three meters long 5米高：five meters high 10米宽：ten meters wide,其他涉及到数字的表达方式,第50页：page No. (number) fifty 901路车：No. nine o one bus 三中（宁波中学）：No. three Middle School 宁波市第六医院：Ningbo No. six Hospital,专题例析:,例1 The number 2,146 is read as_.A. two thousands and one hundred and forty
7、 and six.B. two thousand and a hundred and forty-six.C. two thousand, one hundred and forty-six.D. two thousands , one hundred, forty-six. 分析:英语数字的读法是有规律的,百位跟十位之间加and,十位与个位用连字符,三位以上的数用逗号分开,第一个逗号代表thousand等.根据数字的读法,可以找出正确答案为C. 例2 There are _ people in my family. We live in the _ floor in a tall build
8、ing.A. five; six B. fifth; sixth C. fifth; six D. five, sixth 分析: 第一个空表示数量肜基数词,第二个空表示顺序用序数词,选D.,例3 Excuse me, how does this number 20,135 read? It reads_.A. twenty thousands one hundred and thirty fiveB. twenty thousand one hundred thirty fiveC. twenty thousand, one hundred and thirty-fiveD. twenty
9、thousands, one hundred and thirty-five 分析：根据数字的读法规律，选C。 例4 In our class _ of the students are girls.A. three fifths B. three fifth C. third five D. third fifths 分析：根据分数的表达方法，分子用基数词，分母用序数词，分子大于1，分母用复数可以找到正确答案为A。,专题训练:,This a big class, and _ of the students are girls.A. two third B. second three C. t
10、wo thirds D. two three The questions is very easy, even a _ child can answer it.A. three-years old B. three years old C. three-year-old D. three year old 3. The _ man on the left is Beckman, a famous football player.A. two B. second C. three 4. Which class won the match in the end? Im not sure. Mayb
11、e _ did.A. Class Third B. Class Three C. third three D. Class Three,C,C,B,D,5. Nine _ pounds a week? Thats very good.A. hundred of B. hundreds of C. hundreds D. hundred. 6. Sharks have been on the earth for _ years.A. thousands of B. two thousands C. two thousands of D. thousand of 7. _ people come
12、to Jilin to visit Mount Changbai every year.A. Thousands of B. Thousand of C. Thousands D. Thousand 8. The computer was cheap. I spent only two _ yuan on it.A. thousands B. thousand C. thousands of D. thousand of,D,A,A,B,9. About _ of the workers in the clothes factory are women.A. third fifths B. t
13、hird fifth C. three fifths D. three fifth 10. The road is over _ metres long.A. six hundreds and fifty-twoB. six hundred and fifty-twoC. six hundred, fifty-twoD. six hundred, fifty and two 11. September is _ month of the year.A. ninth B. eighth C. the eighth D. the ninth 12. Its about _ kilometres f
14、rom Nanning to Beijing.A. two thousand five hundred and sixtyB. two thousand five hundreds and sixtyC. two thousands five hundred and sixtyD. two thousands five hundreds and sixty,C,B,D,A,13. Every year, _ fishes are killed by the polluted water.A. million of B. millions of C. two millions of D. two
15、 millions 14. The boy told the old woman, “The train will arrive at two to two.” It means _.A. 2:02 B. 2:20 C. 1:58 D. 1:40 15. Sara said we would meet at _ in front of the museum.A. one thirty B. half an hour C. one and thirty D. one past thirty 16. Well have a _ holiday after the exam.A. two month
16、 B. two-month C. two months D. two-months,B,C,A,B,17. Now children, turn to page _ and look at the _ picture in Lesson Two.A. twentieth; one B. twenty; one C. twentieth; first D. twenty; first 18. Today we are going to learn the _ lesson.A. twenty B. twentith C. twentieth D. twentyth 19. Dinosaur eggs were found in the _.A. 1990 B. 1990th C. 1990s D. 1990s 20. How often do I take it?_.A. twice B. twice a day C. twice one day D. in twice days,D,C,C,B,
