21. Perhaps it is time to reexamine the idea that college degrees are a guarantee of intelligence .
也许现在是应该重新考虑大学为是智力的保证这种想法的时候了。
22. A growing number of people are beginning to realize that wealth is not the sole prerequisite for happiness .
越来越多的人开始意识到财富不是幸福的惟一先决条件。www.Examw.com
23. In spite of the extraordinary progress made in science and technology , problems remain in terms of guaranteeing that achievements benefit the greatest number of people .
尽管科学技术取得了非凡的进步，但是在保证进步成果使尽可能多的人受益这方面还存在一些问题。
