【英语】2019届二轮复习数词考点讲解（3页word版） 3页

‎2019届二轮复习数词考点讲解 ‎【考点提纲】‎ ‎ 数词在高考中的考查重点：‎ ‎1.数词表示确切数目和不确切数目的区别；‎ ‎2.数词复数的特殊用法；‎ ‎3.基数词和序数词的用法 ‎4.dozen和score 的特殊用法 ‎5.倍数表达法 考点一： hundred, thousand和million的用法 若hundred, thousand, million, billion等词的前面有基数词或several修饰时，hundred, thousand, million, billion等只能用单数形式；注意hundred, thousand, million, billion等词前不能用many，若表示不确定数目的数百、数千、数百万等时，要用它们的复数形式，还要加上of。‎ 考点二：dozen与score的用法 ‎(1)dozen （一打，十二），score （二十）与具体数词或与many, several 等连用时，后不加s，所修饰的名词前常省去of。如:two dozen eggs 两打鸡蛋，many dozen pencils好多打铅笔；dozen, score的复数形式后接of时，表示"许多"，是概数。如:dozens of eggs几十个鸡蛋，scores of pencils几十支铅笔。‎ ‎(2)当所修饰的名词之前有限定词these, those, my, your等或是修饰人称代词宾格them, us, you时，这时需要加of。如：two dozen of these pens, three score of them。‎ 考点三： 分数的表达法：‎ 分子用基数词，分母用序数词，若分子大于1，则分母用复数。如：one-fourth (a quarter) 1/4 two-fifths 2/5‎ 考点四：年龄表达法 表示某人的确切年龄，用"基数词＋years old"或"基数词＋of age"或者"at the age of＋基数词"，也可直接用基数词；表示某人几十多岁时，用"in one’s + 逢十的基数词的复数(如tens, twenties, thirties等)"来表达。‎ He is in his late twenties. 他快30了。‎ The old lady died in her early seventies beside a church in New York. ‎ 那位老太太70来岁就死在了纽约的一个教堂附近。‎ 考点五：年代表达法 表示"几十年代"时，在阿拉伯数字后加s或’s。in the 1990s 考点六：倍数的表达方式 ‎(1)……倍数＋形容词(或副词)的比较级＋than。如：‎ ‎①This rope is twice longer than that one.‎ 这根绳的长度是那根绳的三倍。(比那根绳长二倍)‎ ‎②This hall is five times bigger than our classroom.‎ 这个大厅比我们的教室大五倍。(是我们教室的六倍)‎ ‎(2)……倍数＋as＋形容词(或 much)或副词＋as。如：‎ ‎①This big stone is three times as heavy as that one.‎ 这块大石头的重量是那一块的三倍。(这块石头比那块重二倍)‎ ‎②The plane flew ten times as high as the kite.‎ 那架飞机飞行高度是那个风筝的十倍。(高出九倍)‎ ‎(3)……倍数＋the size(length，height...)of。如：‎ ‎①This street is four times the length of that street.‎ 这条街是那条街的四倍长。‎ ‎②This hill is four times the height of that small one.‎ 这座山的高度是那座小山的四倍。(比那座小山高三倍)‎ 也可用：The height of this hill is four times that of that small one.‎ 数词 ‎1．掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。‎ ‎2．掌握不定数量词、约数词的表达方法。‎ ‎3. 掌握倍数表达法 ‎【专题训练】‎ ‎1. Having received training of___ MS. Company，he was offered____ important position in management.‎ A. the；an　　　　　　　 B. 不填；an C. the；不填 D. ara ‎2．For many Beijingers, dreams of living in ______green area are becoming _______reality.‎ A. a；a B. the；the C. 不填；不填 D. a；the ‎3．—Did you enjoy yourself yesterday?‎ ‎—Yes. As you saw, ________party went on in ________most pleasant atmosphere.‎ A. the；a B. the；the C. a；the D. a；a ‎4．I often have conversations with John over _______telephone，while I keep in touch with Tom by ____letter.‎ A. 不填； the B. 不填；a C. the；不填 D. the；a ‎5. Many ________scientist wants to be ________second Newton.‎ A a；the B. a；a C．不填；a D. 不填； the ‎6. I’ve told him________ so she should remember it.‎ A. a hundred time B. hundred times C. hundred of times D. hundreds of times ‎ ‎7. —Were you educated in________good school?‎ ‎—Yes，________very good one in my hometown.‎ A. the; the B. a; a C. the；a D. a；不填 ‎8. The earth is nearly________the moon.‎ A. 50 time the size of B. 50 times the size of C. 50 times as size as D. 50 times as that of ‎9. It’s about________， the thickness of a human hair.‎ A. two fifteenth B. two fifteenths C. two fifteen D. two fifteens ‎10. South of the equator, 81 percent of the surface of the earth________ water.‎ A. is B. are C. was D. were ‎11. They sold ________boxes of such sweets last week.‎ A. four dozen B. four dozens C. four dozens of D. four dozen of ‎12. Don’t leave you work________.‎ A. done half B. half done C. a half done D. done a half ‎13. I had ________supper at my friend’s last Sunday and ________food was so delicious.‎ A. a; the B．不填；不填 C．不填；the D. the；不填 ‎14.—Would you mind giving your advice on how to improve our business management?‎ ‎—If you make ________most of the modern equipment, there will be ________rise in production.‎ A．不填； 不填 B．the; a C．不填； a D．the; 不填 ‎15. I like this jacket better than that one, but it costs almost three times________.‎ A. as much B. as many C. so much D. so many ‎【参考答案】‎ ‎1-5 AAACB 6-10DBBBA 11-15ABCBA