Mental activities help save memory. Doing mental activities is helpful. Reading books and writing at any age may save memory, a new ____1__ finds.The study was conducted by some American neurologists(神经病学家).It __2___294 people. They were given ___3___ on memory and thinking. They had the tests once a year for six years. They were also asked to talk about their mental activities during childhood, in their youth, during middle age and at their ___4___ age.Some of those people did mental activities both ___5___ and late in life. They had a slower ___6___ of decline in memory than the others. The others ___7___ did such activities. Their rate of decline in memory was 48%____8__. “Mental activities like reading and writing are great. They ___9___ bring benefits. We shouldn’t ___10____ their effects on our children, ourselves and our parents, ” said Robert Wilson, lead author of the study.
Labor Market Decline The decline of the labor market is easy to misinterpret (interpret). There are many reasons for that. During the 1970s, large numbers of women and young adults __1___ (bear) during the baby boom entered into the work force. That ___2___ (result) in too many workers for the jobs available and depressed wages. The decline also has something to do with the explosive ___3___ (grow) in world trade since 1960. As ___4__ (manufacture) technologies have become more mobile, production jobs have __5___ (move) from the U.S. to countries where wages are low. In ___6___ (add), technology itself has helped to cause the shifts in the job market. For example, ___7____ (few) American workers are needed to make steel today than in the past, because new ____8___(machine) have made many of their tasks ___9___ (necessary). Finally, the high rate of ____10____ (employment) caused by these factors has tended to drive wages down further.
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