【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

【题目】As long as everyone contributes a little, the world ll become a much better place.

Most people are kind-hearted and want to lend a helping hand. Now let's share some memorable moments.

Linda: Once, when I was on my way back to my hometown, I lost my purse without even knowing it. I was told over the train’s loudspeaker that my purse was at the railway station's lost and found office. But the train had already started. Seeing my helplessness, a kind hostess offered to lend me some money. I went back to the railway station and got my purse. I am still thankful to the railway staff and the person who found my purse.

Scott: When I was a little boy, there was a time when I went to fish with my elder sister. All of a sudden, I slipped into the river. The next thing I remember is my father holding me in the hospital. Today I still don’t know who got me out of that river. I have been trying to help other people whenever I can all these years.

Tina: One of my neighbors is an old man who cannot speak. He makes money by recycling waste. Our other neighbors don't like his behavior. But in my opinion, it's his way to support his family. Once, after cleaning my house, I placed some cardboard boxes in his garden and left my rubbish beside my door. However, when I was about to go out, I found nothing outside my door but a note: "I have thrown away your rubbish. You are a nice girl. Thanks a lot!"

1According to the passage above, we know that

A. the hostess found Linda's purse

B. Linda knew where she lost her purse

C. Scott still doesn't know who got him out of the river

D. some cardboard boxes were stolen by Tina's neighbor

2The writer is trying to tell us the value of

A. health

B. kindness

C. money

D. safety

3The passage above is probably a .

A. report

B. diary

C. novel

D. letter

【题目】Teenagers are known for being creative and full of new ideas. Let’s have a look at these teenage inventions that might change the world.

Banana leaves usually go bad in two or three days. Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year. Tenith thinks that one day the leaves will be used for making plates, cups and other things.

David Cohen, an American teenager, built an earthworm(蚯蚓) robot. It is able to go into the smallest places, where humans or dogs can’t go. It will be used for finding people in a fire or an earthquake.

Remya Jose, a 14-year-old from India, found it tiring and boring to handwash clothes in the nearby river. She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time.

Kenneth Shinozuku, a 15-year-old from New York, noticed that his grandfather who got Alzheimer's disease(老年痴呆) would often leave home and get lost. So he invented the wearable sensors(感应器)to help people find their family members like his grandfather.

1What is the passage mainly about?

A. Popular ads

B. Useful machines

C. Strange pictures.

D. Teenage inventions

2The earthworm robot by David Cohen can ______.

A. make things stay fresh

B. help people wash clothes

C. go into the smallest places

D. take care of the old people

3Which of the following is TRUE

A. Plates and cups are made of fresh banana leaves.

B. Remya's washing machine can also keep people fit.

C. David Cohen is a middle school student from India.

D. Kenneth's wearable sensors will keep old people at home.

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