You are going to hear a conversation between an interviewer and an expert about the biggest cities in the world.

Hints:

对话直接换行即可。

million前的数字、年份为阿拉伯数字，其余均用英文表示。

Rio de Janeiro

Calcutta

16 million-quadrupling

50 years

Bombay

Delhi

Ah!

Tokyo

Seoul

翻译：melodyhan

能力有限，仅供参考。

It's difficult to believe. I know. Rio de Janeiro will have a population of a mere 13 million. Well, just imagine the kinds of difficulties this is going to cause in terms of health, transport and education. Yes. What about the cities of Asia? Will they be experiencing a similar sort of growth? In some cases, yes. Calcutta in India which was number ten in the league in 1950 is expected to be the fourth biggest city in the world with a population of 16 million-quadrupling its size in just 50 years. Bombay and Delhi too are expected to be in the top ten. What about Japan? Ah! Well, Tokyo was number three in 1950 and that's where it'll be at the beginning of the next century, although its population will have trebled to about 18 million. Looking at the other major cities in Asia, Shanghai and Seoul will be in the top ten as well but, perhaps surprisingly, not Beijing or Hong Kong. Now, if we could turn our attention to home, what about the trend of people moving out of the cities...
记者：简直不敢相信。 专家：我明白。里约热内卢的人口将接近1300万。因此带来的医疗、交通、教育问题令人难以想象。 记者：对啊。亚洲的城市呢？这些城市也会经历这样的人口增长吗？ 专家：从某些方面来说是的。印度加尔各答在1950年是第10大人口城市，预计到2000年将位列第四。50年里人口暴涨4倍，达到1600万。孟买和德里也将进入前十。 记者：日本呢？ 专家：啊，对！东京在1950年排名第三，到2000年仍是第三，虽然届时其人口是1950年的三倍，1800万。亚洲其他主要城市，上海和首尔也会位列前十，可能有点意外的是，北京和香港不在里面。 记者：现在让我们把视线移回英国，为什么呈现人们搬离城市的趋势…… （翻译：melodyhan 能力有限，仅供参考）