保持大脑的灵活性Keep Your Brain Sharp

Easy Ways to Keep Your Brain Sharp

Everyone is forgetful，but as we age，we start to feel like our brains are slowing down a bit—and that can be a very annoying thing.__1__Read on for some techniques worth trying.

1．__2__

People who regularly made plans and looked forward to upcoming events had a 50 percent reduced chance of Alzheimer's disease(早老性痴呆症)，according to a recent study.__3__Something as simple as setting a goal to have a weekly coffee date with a friend will do.There's evidence that people who have a purpose in life or who are working on long or short-term goals appear to do better.In other words，keep your brain looking forward.

2．Go for a walk.

Mildly raised glucose(葡萄糖)levels can harm the area of the brain that helps you form memories and physical activity can help get blood glucose down to normal levels.In fact，exercise produces chemicals that are good for your brain.__4__

3．Learn something new.

Take a Spanish class online，join a drawing club，or learn to play cards.A study found that mental stimulation(刺激)limits the weakening effects of aging on memory and the mind.But the best thing for your brain is when you learn something new and are physically active at the same time.__5__Or go dancing with your friends.

A．Focus on the future.

B．This can be especially harmful to the aged.

C．It should be something like learning gardening.

D．So take a few minutes each day to do some reading.

E．But don't worry if your schedule isn't filled with life-changing events.

F．Luckily，research shows there is a lot you can do to avoid those moments.

G．In other words，when you take care of your body，you take care of your brain.

【试题分析】　本文是说明文。如何保持大脑的灵活性，本文给出若干简单易学的方法，其中包括着眼未来、散步以及学习新知识等。

1．解析：细节过渡题。上文提出大脑存在的问题，但是幸运的是，研究表明，你可以做一些事情避免这种情况的发生。

答案：F

2．解析：主旨大意题。此空是下段的小标题，根据下文中的“...keep your brain looking forward.”可以推知，该段主旨大意是着眼未来。

答案：A

3．解析：逻辑关系题。上文提到经常作计划，并着眼未来事务的人患老年痴呆症的机率要少50%，但是即便你的日程里没那么多改变生活的重大事件也不用担心，因为制定一个每周和朋友喝一次咖啡的这样一个简单目标也能实现同样的效果。

答案：E

4．解析：段落结论题。根据上文中的“In fact，exercise produces chemicals that are good for your brain.”可以推知，照顾好身体，也就照顾好了大脑。

答案：G

5．解析：文章结构题。上文提到对大脑有好处的活动，再联系下文与空格平行的句子可以推知，此处指：应该是像学习园艺或者与朋友一起跳舞之类的活动。

答案：C