语文机经: AWA: AA: 31. The following appeared as part of the business plan of an investment and financial consulting firm. "Studies suggest that an average coffee drinker's consumption of coffee increases with age. from age 10 through age 60.Even after age 60, coffee consumption remains high. The average cola drinker's consumption of cola, however, declines with increasing age. Both of these trends have remained stable for the past 40 years. Given that the number of older adults will significantly increase as the population ages over the next 20 years, it follows that the demand for coffee will increase and the demand for cola will decrease during this periodl We should, therefore,consider transferring our investments from Cola Loca to early Bird coffee" AI:57 "Everywhere,it seems, there are clear and positive signs that people are becoming more respectful of one another's difference" 阅读: 1 技术与生产率的关系, 第一段讲, 现在技术越来越先进, 世界各地之间的技术差距越来越小了,但是技术的差距并不代表生产率的差距. 第二段讲美国与英国的例子. 美国与英国有同样的技术, 同样生产某一产品, 同样的工人. 但是生产者要的电不一样, 美国工厂生产用的电是英国的几分之一, 因为英国的电是美国的多少(是157元/千瓦,美国的是37元/千瓦?)所以一些生产工厂除了考虑技术之外,成本是一个重要的因素 2, 地理. 溶盐与地幔. 什么3700度, 40KM, 因为半溶岩石的铁元素的比例高于普通固体岩石.记不清了.前面数了JJ回忆绞尽了脑汁. 回想真是太难了.对不住了. 不行了, 我一个字也想不起来了, 太累了. 想起来了还写.先写到这里了. | 
