Question

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Have you ever heard that we humans use only ten percent of our brains? This myth holds 1. certain appeal because if it 2. (be) true, then we could instantly become ten times 3. (intelligent) just by firing up that sleepy majority of the brain!

The idea that we use only a small fraction of the brain dates back to animal experiments in the 19th century. When scientists 4. (stimulate) a specific part of the brain, the animal moved 5. leg or tail. And some scientists assumed that large parts of the brain were simply useless.

Then, in the early 20th century, scientists observed that stimulating certain regions of the brain had no physical effects, which are called the “silent cortex”. Today we know that in humans, much of the “silent cortex” is actually devoted to complex activities 6. language, learning, and imagining.

Actually, even 7. we sleep, many areas of the brain are extremely active. Would you be smarter if your entire brain constantly worked to maximum capacity? 8. (interest) enough, the opposite is probably true. The less brain activity you need to perform a 9. (give) task, the more the brain as a whole is capable 10. doing.

Answer 1