英语四级听力技巧之计算类概述

　　计算题

　　M: When does the next shuttle bus leave?

　　W: You have just missed one by 20 minutes. We have a bus every 45 minutes, so you’llhave to wait for a while.

　　Q: How long does the man need to wait for the next bus?

　　A) 25 minutes B) 65 minutes

　　C) 20 minutes D) 45 minutes

　　【解析】 当你看见这四个选项，不难发现这一题是在考与时间有关的内容，并且从选项当中可以推测到是考时间的加减关系，因为其中三个选项都是正确答案的干扰选项，说到这里，你就要做好充分的思想准备。原文中除了听清20和45两个数字之外，重要的是明白其之间的联系，通过missed知道已经错过，而介词“by”专门用在计算题表差额;通过every知道每辆车之间45分钟，问的是wait for the next bus 还得等多长时间，很清楚这里是减法的计算关系，所以选择A。

　　细节辨认题

　　M: I wonder if Jack will come here by 11 o’clock.

　　W: His wife said he left home at 10:30, so he should be here at 11:20 at the latest.

　　Q: What time did Jack leave home?

　　A) 11:20 B) 10:30 C) 10:50 D) 11:30

　　【解析】 原文中出现三个数字，11:00是Man觉得杰克应该到的时间;10:30是杰克的妻子说他离开家的时间;11:20是Woman认为杰克应该到的时间。我们再来看问题，选B是对号入座。

　　【死马活医】 如果没听清，这里就要充分运用技巧来猜选，时间中的B和C选项，可以合并小时“10”;时间中的B和D选项，可以合并分钟“30”，通过合并同列项方法，就能猜选答案为B。

　　等值转换题

　　M: These postcards cost 60 cents a dozen.

　　W: Two dozen should certainly do.

　　Q: How many postcards will the man buy?

　　A) 60 B) 12 C) 24 D) 16

　　【解析】 第一句话是“声东击西”，60美分一打，问题并不是我们所期待的考多少钱，考价格，而是在问数量，第二句话提到数量，但前面加了pair,意味着要乘以2。除了清楚这些还不够，dozen是英语中数字的代用词，表示12。所以选C。

　　常见的数字计算类提问形式：

　　1. What time…? 5. How far…?

　　2. How much/many…? 6. How often…?

　　3. How long…? 7. How old…?

　　4. When…?

　　先来热热身 (音频暂缺)

　　1. A) 6 B) 15 C) 20 D) 21

　　2. A) 5:00 B) 5:15 C) 5:30 D) 5:45

　　3. A) $ 2 B) $ 20 C) $ 12 D) $ 10

　　4. A) 5:00 B) 5:15 C) 5:30 D) 5:45

　　5. A) in 5 minutes B) in 10 minutes

　　C) in 15 minutes D) in 25 minutes

　　1. 【选D】原文重现

　　M: Tom must be over twenty now.

　　W: I think so, when I left Paris six years ago, he was already fifteen.

　　Q: How old is Tom now?

　　2. 【选B】原文重现 1997.1

　　M: What’s the time for departure?

　　W: 5:30. That only leaves us 15 minutes to go through the customs and check ourbaggage.

　　Q: At what time did the conversation take place?

　　3. 【选C】原文重现

　　W: Good evening , sir. Why not try our dry beer. Two dollars for each bottle, and twentyfor a dozen.

　　M: Well, a dozen is too much for me. Give me a half.

　　Q: How much does the man need to pay?

　　4. 【选C】原文重现

　　W: It’s five already, I suppose the meeting will be postponed to 5:45.

　　M: Well, the secretary said something unexpected happened. The meeting will begin in 30minutes.

　　Q: When will the meeting begin?

　　5. 【选D】原文重现

　　W: Excuse me, sir. Does the No.1 bus stop here?

　　M: Yes, but the bus only runs every half hour and one just went by five minutes ago.

　　Q: When will the No.1 bus come?