题目内容

【题目】-___ __ you ____ _ your drawing?

-Not yet. It will be done in a few minutes.

A. Did, finish B. Will, finish C. Do, finish D. Have, finished

【答案】D

【解析】试题分析:联系下句可知句意:你完成你的画画了吗?还没有呢,几分钟后就完成。有下句中的Not yet.可知上句应用现在完成时提问,现在完成时结构是:have/has+动词的过去分词。故选D

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【题目】

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(反应), 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(细胞) 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.

1In 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

2In 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

3Which 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

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

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

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

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

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