根據(jù)短文內(nèi)容，從短文后的項中選出能填入空白處的最佳選項。選項中有兩項為多余選項。

Easy Ways to Keep Your Brain Sharp

Everyone is forgetful, but as we get older , 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 suggestions worth trying.

1. 2.

People who regularly made plans and looked forward to future events had a 50 percent reduced chance of Alzheimer’s disease (早老性癡呆癥), 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 learning gardening. with your friends.

A. Focus on the future.

B. This can be especially harmful to the aged.

C. It should be something like going dancing

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 prevent those moments.

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

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C

I am peter Hodes ,a volunteer stem courier. Since March 2012, I've done 89 trips of those , 51 have been abroad, I have 42 hours to carry stem cells（干細(xì)胞）in my little box because I've got two ice packs and that's how long they last, in all, from the time the stem cells are harvested from a donor(捐獻(xiàn)者) to the time they can be implanted in the patient, we’ve got 72 hours at most, So I am always conscious of time. 學(xué)科&網(wǎng)

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完形填空

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A Deed a Day

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閱讀理解。

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