2014考研英语一真题：完型填空
完形填空As many people hit middle age， they often start to notice that their memory and mental clarity are not what they used to be .We suddenly can't remember ___we put the keys just a moment ago ，or an old acquaintance's name， or the name of an old band we used to love .As the brain ___，we refer to these occurrences an “senior moments.” ___ seemingly innocent ， this loss of mental focus can potentially have a（n） ___impact on our professional， social ， and personal___.
Neuroscientists ，experts who study the nervous system ，are increasingly showing that there's actually a lot that can be done .It ___out that the brain needs exercise in much the same way our muscles do ，and the right mental ___can significantly improve our basic cognitive ___.Thinking is ___essentially a ___of making connections in the brain .To a certain extent ，our ability to ___in marking the connections that drive intelligence is inherited . ability to ___in making the connections are made through effort and practice ，___，because these connections are made through effort and practice ， scientists believe that intelligence can expand and fluctuate ___ mental effort .
Now ， a new Web-based company has taken it a step ___and developed the first “ brain training program ” designed to actually help people improve and regain their mental ___.
The Web-based program ___ you to systematically improve your memory and attention skills . The program keeps ___of your progress and provides detailed feedback ___ your performance and improvement .Most importantly， it ___modifies and enhances the games you play to ___ on the strengths you are developing - much like a（n） ___ exercise routine requires you to increase resistance and vary your muscle use .
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