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Losing your ability to think and remember is pretty scary. We know the risk of dementia (痴呆) increases with age. But if you have memory slips, you probably needn’t worry. There are pretty clear differences between signs of dementia and age-related memory loss. After age 50, it’s quite common to have trouble remembering the names of people, places and thing quickly, says Dr. Kirk Daffner of Brigham and Woman’s Hospital in Boston. The brain ages just like the rest of the body. Certain parts shrink, especially areas in the brain that are important to learning, memory and planning. Changes in brain cells can affect communication between different regions of the brain. And blood flow can be reduced as blood vessels narrow. Forgetting the name of an actor in a favorite movie, for example, is nothing to worry about. But if you forget the plot of the movie or don’t remember even seeing it, that’s far more concerning, Daffner says. When you forget entire experiences, he says, that’s “a red flag that something more serious may be involved.” Forgetting how to operate a familiar object like a microwave oven, or forgetting how to drive to the house of a friend you’ve visited many times before can also be signs of something going wrong. But even then, Daffner says, people shouldn’t panic. There are many things that can cause confusion and memory loss, including health problems like temporary stoppage of ...... Defense against memory loss is to try to prevent it by building up your brain’s cognitive (认知的) reserve, Daffner says. “Read books, go to movies, take on new hobbies or activities that force one to think in novel ways,” he says. In other words, keep your brain busy and working. And also get physically active, because exercise is a known brain booster.
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【多选题】社会营销观念要求市场营销者在制定市场营销政策时要统筹兼顾()。
A.
整车为自交付第一个车主起,至汽车制造商明示的安全使用期止;
B.
汽车制造商未明示安全使用期的,或明示安全使用期不满10年的,自销售商将汽车产品交付第一个车主之日起10年
C.
汽车轮胎的召回期限为自交付第一个车主起8年;
D.
对于汽车产品安全性零部件的易损件,明示的使用期限为起召回时限。
【单选题】The house is in ____.
A.
a beautiful surrounding
B.
beautiful surroundings
C.
a beautiful surroundings
D.
beautiful surrounding
【单选题】无并发症麻疹患儿具有传染性的时段为
A.
出疹期
B.
出疹前10天至出疹后5天
C.
出疹前5天至出疹后5天
D.
出疹前10天至出疹后10天
E.
出疹前5天至出疹后10天
【单选题】麻疹患儿具有传染性的时段是
A.
出疹前5天至出疹后5天
B.
出疹前5天至出疹后10天
C.
出疹前10天至出疹后5天
D.
出疹前10天至出疹后10天
E.
出疹期
【多选题】社会市场营销观念要求市场营销者在制定市场营销策略时要统筹兼顾( )
A.
企业利润
B.
竞争对手的利润
C.
社会利益
D.
消费者需要的满足
【简答题】求矩阵 的逆,其中 。
【单选题】麻疹患儿具有传染性的时段是()
A.
出疹前 5 天至出疹后 5 天
B.
出疹前 5 天至出疹后 10 天
C.
出疹前 10 天至出疹后 5 天
D.
出疹前 10 天至出疹后 10 天
E.
出疹前
【多选题】社会营销观念要求市场营销在制定市场营销政策时,要统筹兼顾的利益有
A.
企业利润
B.
消费者需要
C.
社会利益
【多选题】社会市场营销观念要求市场营销者在制定市场营销政策时要统筹兼顾 ( )
A.
企业利润
B.
满足消费者需要
C.
社会利益
D.
国家利益
【多选题】社会营销观念要求市场营销者在制定市场营销政策时,要兼顾 的利益。
A.
企业利润
B.
消费者需要的满足
C.
公共关系
D.
政府
E.
社会利益
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