题目内容：

    As scientists probe(探究) the mysteries inside our heads, their discoveries are proving new insights into how we can all sharpen our mental machinery.

Your brain is fat

In fact, you brain is the fattiest organ in your body, consisting of a minimum of 60 percent fat. Fat carries, absorbs and stores vitamins in your bloodstream.1..

We can get smarter as we get older

Rawan Tarawneh, an assistant professor, points out that although some mental processes decline as we age, not all does.2., On the other hand, language functions tend to remain well preserved as we get older, peaking even into our early 70s.

3.

Comparing the brains of great thinkers, writers, and mathematicians hasn’t yielded conclusive evidence that the size of the brain has a connection to intelligence.

Intelligence might start with ignoring distractions

Intelligent people were better at detecting movements of small objects on a screen but worse at movements of large background objects. This may be because in nature, large movements such as the wind in the trees are irrelevant, but the harder-to-see animals is essential.4.

5.

For example, experiments have shown that people who were born blind use the visual parts of their brains for tasks other than seeing.

A.Fat is essential for brain.

B.In our information-laden world, focusing on only what’s important may give some people an edge (优势).

C.The close connection between brain’s size and intelligence.

D.It also helps the immune system function properly.

E.You brain can adapt itself.

F.Some of our brain functions, such as short term memory show some decline with aging.

G.Bigger isn’t necessarily better.