2. 外语
  3. As many people【C1】______ middle age, they often start to notice that their memory and mental clarity are not what they used to b

As many people【C1】______ middle age, they often start to notice that their memory and mental clarity are not what they used to b

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问题     As many people【C1】______ 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 where 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 fades, we refer to these【C2】______ as "senior moments". While seemingly【C3】______, this loss of mental focus can【C4】______ have a detrimental impact on our professional, social, and personal well-being.
    Neuroscientists are increasingly showing that there’s actually a lot that can be done. It turns that the brain needs exercise in much the same way our muscles do, and the right mental workouts can significantly improve our basic cognitive【C5】______. Thinking is essentially a process of making neural connections in the brain. To a certain extent, our ability to excel in making the neural connections that drive intelligence is【C6】______. However, because these connections are made through effort and practice, scientists believe that intelligence can expand according to mental effort.
    Now, a new San Francisco Web-based company has taken it a step further and developed the first "brain training program"【C7】______ to actually help people improve and regain their mental sharpness. It is called Lumosity. Lumosity, is far more than an online place to exercise your mental skills. That’s because they have【C8】______ these exercises into a Web-based program that allows you to systematically improve your memory and attention skills. Also, the program keeps track of your progress and provides【C9】______ feedback on your performance and improvement. Most importantly, it constantly modifies and【C10】______ the games you play to build on the strengths you are developing.
A) arrive B) enhances C) complex D) definitely E) detailed
F) functions G) hit H) incidents I) inherited J) innocent
K) integrated L) intended M) occurrences N) potentially O) designed
【C1】
选项
答案G
解析 此处需填入动词，且主语为复数形式，主句为一般现在时，故从句谓语动词应为动词原形。hit middle age是个相对固定的表达方式，表达人到中年的意思。
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