等值转换题   
    　　这种题型相对来说比较令考生头疼，特点是因为它的答案无法在原文中直接找到，必须通过换算的方式计算出结果，而并非运用原文中的线索直接加减乘除，所以你一定要对英语中的代用词相当的敏感，以下为英语中常用到的代用词，务必倒背如流。   
    　　① 时间的代用词   
    　　quarter 一刻钟、四分之一、季度 a dozen 一打、十二个   
    　　score 二十 monthly¹ 一月一次   
    　　daily 一日一次 weekly 每周一次   
    　　fortnight 两星期 decade² 十年   
    　　century 世纪、百年 millennium³ 千年   
    　　② 倍数、货币的代用词   
    　　double、twice 两倍 fivefold 五倍   
    　　half 一半 a quarter 25美分   
    　　a dime⁴ 10美分 a nickel⁵ 5美分   
    　　【例1】   
    　　W: We have worked for a fortnight. And really need a break.   
    　　M: How about seeing a play? I hear “Spiderman” is on at the National Theatre.   
    　　Q: How long have they been working?   
    　　A) Four nights B) Forty nights   
    　　C) Fourteen days D) Four days   
    　　【解析】 这题当中应区分fortnight和four nights之间的发音。fortnight代表两个星期，也就是十四天，所以C为正确答案。   
    　　【例2】   
    　　M: Lisa, you know that Tom was late twice this week.   
    　　W: It’s ok, the class is so boring, I was late three times that often and Mark was late six times.   
    　　Q: How many times was Tom late?   
    　　A) 1 B) 2 C) 3 D) 6   
    　　【解析】 Twice 是英语数字2的代用词，分清问的是Tom，答案为B。   
    　　1. A) Ten years B) Twenty years   
    　　C) Forty years D) A hundred years   
    　　2. A) 10 years B) 15 years C) 20 years D) 40 years   
    　　3. A) 4 B) 8 C) 1 D) 2   
    　　4. A) 5 cents B) 10 cents C) 15 cents D) 20 cents   
    　　5. A) 25 months B) 5 months   
    　　C) 12 months D) 6 months   
    　　6. A) $4 B) $25 C) $5 D) $29   
    　　7. A) 5 cents B) 15 cents C) 20 cents D) 25 cents   
    　　8. A) $0.5 B) $2.50 C) $3 D) $1   
    　　9. A) 5:25 B) 5:55 C) 5:40 D) 5:30   
    　　10.A) $10 B) $40 C) $30 D) $25   
    　　1. 【选A】原文重现   
    　　M: Our university will be celebrating its hundredth anniversary⁶ next Monday. Shall we go back for a visit?   
    　　W: I’d love to. It’s been a decade since we left.   
    　　Q: How long ago did they graduate from school?   
    　　听力词汇扩展：   
    　　go back 回去 go about 从事，着手做；闲逛   
    　　go over 过一遍，复习 go into 进入；投入；调查   
    　　2. 【选C】原文重现   
    　　M: I have been working in this school for a score of years.   
    　　W: Well, my mum has been working here twice as long as you.   
    　　Q: How long has the man been working in that school?   
    　　3. 【选D】原文重现   
    　　W: What do you think are the chances I’ll get the job?   
    　　M: Well, I’m talking to four today. We’ll be hiring half.   
    　　Q: How many people will be employed?   
    　　听力词汇扩展：   
    　　apply for 提出申请 apply to 向……申请或要求   
    　　4. 【选B】原文重现   
    　　M: I want to send a telegram⁷ to San Francisco. How much does it cost?   
    　　W: Five dollars for the first 15 words and a dime for each additional⁸ word.   
    　　Q: How much will each additional word cost?   
    　　5. 【选D】原文重现   
    　　W: You’re thinner than you used to be, aren’t you?   
    　　M: You bet⁹ I am! I’ve been dieting for half a year. I’ve lost 25 pounds and I feel great.   
    　　Q: How long has the man been dieting ?   
    　　6. 【选C】原文重现   
    　　W: I thought this kind of film cost four dollars each roll.   
    　　M: It used to, but the price has gone up 25%.   
    　　Q: How much does one roll of the film cost now?   
    　　听力词汇扩展：   
    　　go up 上升；（物价等）上涨 go down 下去；（船等）下沉   
    　　7. 【选A】原文重现   
    　　M: Do I have enough postage¹⁰ on this package ?   
    　　W: Let’s see. You already have three-fifteen cent stamps and two twenty-five cent stamps on it .You only need another nickel.   
    　　Q: How much else will the man pay for the postage ?   
    　　听力词汇扩展：   
    　　pay for 付款 pay back 偿还（借款等）；回报   
    　　pay off 还清 pay out 付出（款项等）   
    　　8. 【选B】原文重现   
    　　M: How much are the tickets？   
    　　W: They’re one dollar each for the general public, but student tickets are only a quarter.   
    　　Q: How much will the man pay for two students ticket and two general public?   
    　　9. 【选A】原文重现   
    　　W: Please hurry up, my train is leaving at a quarter to six.   
    　　M: No problem, Madam. I’ll get you there in five minutes. And fifteen minutes is enough for you to board the station.   
    　　Q: What time is it now?   
    　　10. 【选B】原文重现   
    　　W: Jake, what a nice shirt, where did you get it?   
    　　M: I bought it from Carrefour Supermarket. All the man’s clothes are on sale for the National Day. It costs only 20 dollars. I saved a half compared with Wal-mart.   
    　　Q: How much is the shirt in Wal-mart?

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