等值轉換題
　　這種題型相對來說比較令考生頭疼，特點是因為它的答案無法在原文中直接找到，必須通過換算的方式計算出結果，而并非運用原文中的線索直接加減乘除，所以你一定要對英語中的代用詞相當?shù)拿舾校韵聻橛⒄Z中常用到的代用詞，務必倒背如流。
　　① 時間的代用詞
　　quarter 一刻鐘、四分之一、季度 a dozen 一打、十二個
　　score 二十 monthly 一月一次
　　daily 一日一次 weekly 每周一次
　　fortnight 兩星期 decade 十年
　　century 世紀、百年 millennium 千年
　　② 倍數(shù)、貨幣的代用詞
　　double、twice 兩倍 fivefold 五倍
　　half 一半 a quarter 25美分
　　a dime 10美分 a nickel 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】 這題當中應區(qū)分fortnight和four nights之間的發(fā)音。fortnight代表兩個星期，也就是十四天，所以C為正確答案。
　　【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 是英語數(shù)字2的代用詞，分清問的是Tom，答案為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. 【選A】原文重現(xiàn)
　　M: Our university will be celebrating its hundredth anniversary 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?
　　聽力詞匯擴展：
　　go back 回去 go about 從事，著手做；閑逛
　　go over 過一遍，復習 go into 進入；投入；調(diào)查
　　2. 【選C】原文重現(xiàn)
　　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. 【選D】原文重現(xiàn)
　　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?
　　聽力詞匯擴展：
　　apply for 提出申請 apply to 向……申請或要求
　　4. 【選B】原文重現(xiàn)
　　M: I want to send a telegram to San Francisco. How much does it cost?
　　W: Five dollars for the first 15 words and a dime for each additional word.
　　Q: How much will each additional word cost?
　　5. 【選D】原文重現(xiàn)
　　W: You’re thinner than you used to be, aren’t you?
　　M: You bet 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. 【選C】原文重現(xiàn)
　　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?
　　聽力詞匯擴展：
　　go up 上升；（物價等）上漲 go down 下去；（船等）下沉
　　7. 【選A】原文重現(xiàn)
　　M: Do I have enough postage 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 ?
　　聽力詞匯擴展：
　　pay for 付款 pay back 償還（借款等）；回報
　　pay off 還清 pay out 付出（款項等）
　　8. 【選B】原文重現(xiàn)
　　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. 【選A】原文重現(xiàn)
　　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. 【選B】原文重現(xiàn)
　　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?