What 2 methods can an alumni association use to keep you up-to-date？

听力原文：Woman: My job involves a lot of hardship, business trips, irregular life and that kind of thing. Last week I sold pure cotton and cotton wool to a business from Chicago. We bargain every item for a long time. It began from the inquiry about our products to final settlements. Fortunately, every deal was accomplished. The company and I both gained some returns.

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What does business concern usually do？

What does the talk mainly concern？

SECTION A CHINESE TO ENGLISH

Directions: Translate the following text into English.

有的动物学家和心理学家把现代人比成笼中的狮子。他们认为人们生活在拥挤的城市里，与动物园里的动物很相似。因此，城市的居民变得特别地好斗。如果人口增长速度慢一些，人们会有更多的空间和自由。在史前，大约六十人的群体会有数公里的空间可供漫步和觅食。假如现在还有这样的条件，人类就不会比其他动物更好斗。目前可能多达三万人在同一栋办公室里工作？。这样，人们之间变得寻衅好斗也就不足为奇了。实际上，要他们不这样做几乎是不可能的。近年，由于世界人口的增长，人类必定变得更为好斗了。

Nowadays, the world population has been increasing sharply, there might be various reasons for the trend. Then, what is your opinion？

Sharp Increase in World Population

You are to write a paper of approximately 400 words on this issue.

In the first part of your paper, you should present your interpretation of the pictures above and in the second part you should give your reasons for the increase in population with appropriate details. In the last part you should bring what you have written to a natural conclusion with a summary.

Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the a bove instructions may result in a loss of marks. Write your composition on ANSWER SHEET FOUR.