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4)倍数的表达：(一倍用once，两倍用 twice，两倍以上用基数词+times。如：5倍five times)。 例如：He is as tall a boy as I. He is a head taller than I . He is two years older than I China is four times as large as Europe. I am twice as old as you. (=I am twice older than you. /I am twice the age of you.) My books are twice as many as yours. China is four times larger than Europe.(=China is four times the size of Europe.) I pay twice as much as it was worth. I pay twice as much for the house. 例题解析：举一反三，学的更轻松! 1. _______ Chinese are looking for ways to learn English well before Beijing 2008 Olympic. A. Thousand B. Thousands C. Thousand of D. Thousands of 2. Both of the rules are broken. I want to buy a ______ one. A. three B. third C. forth D. / 3). --- Which is the smallest number of the four? --- _________. A. Two- thirds B. A half C. A quarter D. Three-fourths 4). Please write down the new words in the text of _______. A. Lesson Eleven B. the Lesson Eleven C. Lesson Eleventh 解析：1.基数词hundred, thousand, million, billion 等前有具体数字时，它们后面不能加s,若这些词后面有介词of (几百，成百上千) ，thousands of (几千，数千个)，millions of, billions of 前不可用数词修饰。但可用many, some, several 等修饰。故选答案D. 2.答案： B。此题主要考查序数词的运用。 3.答案：C。此题主要考查英语中的分数表示法。英语中表示分数时，分母用序数词，分子用基数词，当分子大于1时，表示分母的序数词后要加s. 4.答案： A。 此题主要考查基数词的编号。在通常情况下，名词编号有这几种表示法： 1。事物名词+基数词，且每个单词的首字母都要大写。如：Lesson Eleven;2。定冠词+基数词+事物名词。如： No. 6 Middle School 练习与巩固：熟能生巧，取得好成绩! 选择填空： 1. _______ of people in the world are sending information by E-mail ever day. A. Many million B. Several million C. Several millions D. Many millions 2. About _______ of the surface of the earth _______ covered with water. A. three quarter, is B. three quarters, has C. three quarters, is D. three quarter, are 3. It will take _______ time to finish the work. A. one and a half years' B. a year and half C. one and a half year's D. a year and half's 4.--- How long will your stay here ?、 ---For ________ . A. one and two day's B. one and two day C. a day or two D. one or two day 5.When he moved to Germany in ______ , he was already in _______ . A. the fifties; his sixties B. fifties; his sixties C. the fifties; his sixty D. fifty; sixty 6.My brother lives in ______ on ______ floor. A. six Room ;second B. Room six ;the second C. Room six; two floor D. the room six ; the second 7.December is _______ month of the year. A. twelve B. twelfth C. the twelfth D. the twelve 8.This took place in the ______ . A. 1940 B. 1940s C. 1940es D. 1940th 9.It is only _____ from my home to the train station. A. ten minutes walk B. ten-minutes walk C. ten minutes 's walk D. ten minutes' walk 10.There are ______ in this building , I live on ______. A. nine floors ,the ninth floor B. nine floor, the ninth floor C. nine floor , nine floors D.ninth floor,the ninth floor 11.The water behind the Three Gorges Dams (三峡大坝) should be ______ higher than downstream( 下游)。 A. sixty-five meter B. sixty-fifth meter C. sixty-five meters D. sixty-fifth meters 12. There are _______ days in a year. A. three hundred sixty-five B. three hundred and sixty-five C. three hundred and sixty -five D. two hundreds and sixty-five 13. ---How many teachers are there in your school? --- __________. , but I'm not sure. A. Hundreds B. Hundred C. Hundreds of D. One hundred 14. There are _________ doctors and nurses working hard in that hospital. A. thousand B. two thousand C. two thousands D. two thousands of 15. --- What's one fourth and a half, do you know? --- Yes, it's _________. A. two sixths B. three fourths C. one three D. three sixth 16. 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 17. Both of the two rulers are broken. I want to buy a _______ one. A. three B. third C. forth D. / 18. December is the __________ month in year. A. twenty B. twelve C. twentieth D. twelfth 19. --- What is the date today? --- It's _________. A. Thursday B. June the sixteenth C. the best day D. June fifteen 20. She knows a lot about China as she has been to China ________. A. for the forth time B. four times C. a fourth time D. for four times 1-5 CCACA 6-10 BCBD 11-15 CCCDA 16 -20 DBDBB (责任编辑：admin) |