【文章內容簡介】 say you are trying to learn some new and rather difficult English vocabulary using a stack of cards。 .Should you look at the same word in rapid succession, or look at the word and then have some delay before you look at it again ? 46 The answer is it is better to space out the presentations of the word you are to learn。 2008年12月Crime is increasing world wide. There is every reason to believe the 36 trendwill continue through the next few rates have always been high in multicultural, industrialized societies such as the United States, but a new37 phenomenonhas appeared on the world38 scene rapidly rising crime rates in nations that previously reported few39 offences. Street crimes such as robbery, rape 40 murderand auto theft are clearly rising41 particularlyin eastern European countries such as Hungary and in western European nations such as the united is driving this crime 42 explosion?There are no simple answers. Still，there are certain conditions(43) 43 associatedwith rising crime increasing heterogeneity (混雜) of populations, greater cultural pluralism, higher immigration, democratization of government, 44 changing national borders, greater economic growth and the lack of accepted social ideas of right and conditions are increasingly observable around the world . For instance, cultures that were previously isolated and homogeneous(同種類的) ,such as Japan, Denmark and Greece 45 are now facing the sort of cultural variety that has been mon in America for most of its can be a rewarding, enriching experience, but it can also lead to a clash of values. Heterogeneity in societies will be the rule in the twentyfirst century, and 46 failure to recognize and plan for such diversity can lead to serious crime problems.2008年06月We39。re now witnessing the emergence of an advanced economy based on information and knowledge. Physical36. labor, raw materials, and capital are no longer the key in the creation of wealth. Now, raw material in our economy is knowledge. Tomorrow39。s wealth depends on the development and exchange of knowledge. And39. individuals entering the workforce offer their knowledge, not their muscles. Knowledge workers get paid for their education and their ability to learn. Knowledge in mind work. They deal with symbols: words, and does all this mean for you? As a future knowledge worker, you can expect to be 42. generating, processing, as well as exchanging information. 43. Currently three out of four jobs involve some form of mind work, and that number will increase sharply in the future. Management and employees alike44. will be making decisions in such areas as product development, quality control, and customer satisfaction. In the new world of work, you can look forward to being in constant training 45. to acquire new skills that will help you keep up with improved technologies and procedures. You can also expect to be taking greater