Day 5-冲刺2020中考英语阅读理解七选五20天集训

3.0 envi 2025-05-09 29 4 20.97KB 3 页 3知币

Day 5

Passage 1

Your brain controls everything you do. It makes it possible for you to think,

learn, create and feel; to blink(眨眼) and breathe and for your heart to beat—

this fantastic control center is your brain. 1.______

Can this small grey organ( 器官 )，which weighs less than one and a half

kilos, really do so much? Amazingly, your brain contains about 100 billion

neurons(神经元）—it would take you over 3,000 years to count them all. 2.______ Your neurons

create and send more messages than all the phones in the world. And although one neuron creates

only a little electricity, all your neurons together can produce enough electricity to power a light

bulb(灯泡).

So exactly how fast does your brain work? 3.______ Neurons in your skin send this

information to your brain at a speed of more than 240 kilometers per hour. Your brain then uses

other neurons to send the message back to your foot to shake the bee off quickly. 4.______ No

computer has your brain’s unbelievable ability to deal with the amount of information coming

from your eyes, ears and other sensory organs.

But how does your brain allow you to learn things that you will use in the future? The

structure( 结构 ) of your brain changes every time you have a new thought, remember or learn

something. 5.______ How? As you practice, your brain sends “bike riding” messages again and

again. Soon, the actions are learnt and you are able to ride a bike easily from then on.

A. Well, imagine this: a bee lands on your foot.

B. Therefore, it is not surprising to see that somebody with average intelligence

(智力) can have excellent performances in some fields.

C. Believe it or not, the activity in your brain never stops.

D. It is so amazing that a famous scientist once called it “the most complex ( 复

杂) thing we have yet discovered in our universe”.

E. The brain is the boss of the body．

F. These neurons can send this information at more than 320 kilometers per

文档加载中……请稍候！
如果长时间未打开，您也可以点击刷新试试。

下载文档到电脑，查找使用更方便

3 知币 4人已下载

立即下载

Day 5-冲刺2020中考英语阅读理解七选五20天集训.docx

共3页,预览1页

还剩页未读，继续阅读

相关推荐