Question

【題目】

You must think a computer is the best thing in the world, right? You must think it works at a super speed and can do everything? Well, it’s not! In fact, the brain is much more powerful than any super computer! Think about when a glass is just about to fall off the table. Your brain controls everything that you need to do to save that glass from falling. First your eyes check out what’s going on, then tell your brain, and your brain decides how quickly you need to react(反應(yīng)), and then your muscles(肌肉) go into action. That is just from your brain. No computer could ever come close to that!

The brain weighs just 3 pounds, but it controls everything you do from thinking, learning, feeling even to breathing and your heart beating. Even though the brain is just 2% of your body weight, it uses around 20% of all your energy in your body. That is a lot for such a small organ(器官). There are about 100 billion tiny, tiny little cells(細胞) in your brain. There are so many that it would take you over 3,000 years to count them all!

Your brain stops growing when you’re 18, but it actually keeps on developing and learning new things. So your parents are really super smart! You won’t be able to fool them! Believe it or not, your brain NEVER stops working. Even during sleeping, the brain works for long-term memory establishment(建立). It is realized that the brain is the second organ in the body as the heart that never stops during human lives.

So everyone should be proud of such a gift of nature.

【1】In Paragraph 1, the writer wants to tell us .

A. eyes and muscles react quickly

B. the brain controls everything in your body

C. the computer is the best thing in the world

D. the brain is more powerful than any computer

【2】In Paragraph 2, the underlined word “That” refers to(指的是) .

A. the body weight B. 2% of the body weight

C. all energy in the body D. around 20% of the energy in the body

【3】Which is RIGHT according to the passage?

A. The brain doesn’t work during sleeping

B. The brain is the only organ that never stops

C. The brain keeps growing during human lives

D. The brain keeps on developing during human lives

【4】Which word can best describe the brain according to the passage?

A. Magic B. Quick C. Light D. Developing

【5】In which magazine can the passage be found most probably?

A. Business Weekly B. Medicine C. Science D. Sports

Answer 1

【答案】

【1】D

【2】D

【3】D

【4】A

【5】C

【解析】本文介紹了大腦為什么比任何超級計算機都強大得多。在文中介紹了大腦是如何通過神經(jīng)控制肌肉來協(xié)同工作的。同時介紹了大腦的重量雖然只有3磅，但它控制著你的思考、學(xué)習、甚至呼吸和心臟跳動等一切活動。

【1】主旨大意題。由文章第一段“In fact，the brain is much more powerful than any super computer”可知，作者第一段是想要告訴我們 “事實上，大腦比任何電腦要強大的多” 故答案選D。

【2】推理判斷題。由句子Even though the brain is just 2% of your body weight, it uses around 20% of all your energy in your body. 可知，即使大腦僅僅是你身體重量的2%，但是它使用的能量大約是你身體能量的20%。和句子That is a lot for such a small organ(器官).的意思是，對于這樣一個小器官來說，這是很多的。說明That是指上文的around 20% of the energy in the body。故選D。

【3】細節(jié)理解題。“根據(jù)文章內(nèi)容哪一個是正確的？”由第三段Believe it or not ……establishment

(信不信由你，你的大腦從未停止工作。甚至在睡覺期間，大腦也在為長時記憶的建立而工作著。)可知選項A大腦在睡覺時停止工作是錯誤的。由第三段最后一句It is realized that the brain is the second organ in the body as the heart that never stops during human lives. 可知心臟也不停止工作，大腦是第二大不停止工作的器官。所以B選項說大腦是唯一不停止工作的器官是不正確的。由第三段第一句Your brain stops growing when you’re 18.在18歲的時候大腦停止生長。可知C選項大腦一直生長是不正確的。由第三段第一句后半句but it actually keeps on developing and learning new things. 可知D選項是正確的。故答案選擇D。

【4】推理判斷題。題意為：“根據(jù)這篇文章，哪一個單詞可以最好的描述大腦？” Magic “不可思議的”；quick“快的”；light“亮的”；developing“發(fā)展中的”。根據(jù)文章的描述，大腦很神奇不可思議，故答案選擇A。

【5】推理判斷題。題目意為“這篇文章最可能在哪一種雜志中發(fā)現(xiàn)？”很明顯是在科學(xué)雜志中，故答案選擇C。