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Dear James,

Nice to hear from you again!

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Best wishes,

Yours,

Li Hua

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Sharks have lived in the oceans for over 450 million years. There are now about 360 species of sharks, whose size, behavior, and other characteristics differ widely.

Sharks range in size from the 0.1 meter long dwarf-dog shark to the 18-metre long whale shark ¡ª the world¡¯s biggest fish. The whale shark, like two other large shark species ¡ª the basking shark and the megamouth shark ¡ª are harmless to people because they feed on plants and small aquatic animals.

Sharks have extremely sensitive sense organs. Some sharks can detect the scent(Æøζ) of decaying fish or blood even when it is diluted(Ï¡ÊÍ) to only one part per million parts of seawater. They can probably hear underwater sounds that originate as far as 3 kilometers away and can tell the direction from which underwater sounds are coming.

Sharks are key predators(Èâʳ¶¯Îï) in the world¡¯s oceans, helping control the numbers of many other ocean predators. Without sharks, the oceans would be overcrowded with dead and dying fish.

Every year, we catch and kill over 100 million sharks, mostly for food and for their fins. Dried shark fins are used to make shark fin soup, which makes a profit for the sellers. Other sharks are killed for sport and out of fear. Sharks are vulnerable to overfishing because it takes most species 10 to 15 years to begin reproducing and they produce only a few offspring.

Influenced by movies and popular novels, most people see sharks as people-eating monsters. This is far from the truth. Every year, a few types of sharks injure about 100 people worldwide and kill about 25. Most attacks are by great white sharks, which often feed on sea lions and other marine mammals. They sometimes mistake human swimmers for their normal prey, especially if they are wearing black wet suits.

If you are a typical ocean-goer, your chances of being killed by an unprovoked(ÎÞÔµÎ޹ʵÄ) attack by a shark are about 1 in 100 million. You are more likely to be killed by a pig than by a shark.

Sharks help save human lives. In addition to providing people with food, they are helping us learn how to fight cancer, bacteria and viruses. Sharks are very healthy and have aging processes similar to ours. Their highly effective immune system allows wounds to heal quickly without becoming infected, and their blood is being studied in connection with AIDS research.

Sharks are among the few animals in the world that almost never get cancer and eye cataracts. Understanding why can help us improve human health. Chemicals extracted from shark cartilage(Èí¹Ç) have killed cancerous tumors in laboratory animals, and these chemicals may someday help prolong our life.

Sharks are needed in the world¡¯s ocean ecosystems. Although they don¡¯t need us, we need them. We are much more dangerous to sharks than they are to us. For every shark that bites a person, we kill one million sharks.

1.Which statement best expresses the main idea of the article?

A. There are many different species of sharks, but only a few of them are dangerous to humans.

B. Sharks are important to the ocean ecosystem and they are a valuable resource for humans.

C. Although some sharks are dangerous to humans, they can help save human lives.

D. Sharks always eat small fishes and they are an essential part of the world¡¯s oceans.

2.Which question is NOT answered in the article?

A. How long does a shark live?

B. How many people are killed by sharks each year?

C. Why are sharks important in medical research?

D. What do humans kill sharks for?

3.It can be inferred from the passage that ______________.

A. movies have given people the wrong impression of sharks

B. most sharks are dangerous to humans

C. sharks will attack anyone who is wearing black

D. it is very likely that ocean-goers will be killed by a shark

Elizabeth Blackwell was born in England in 1821, and moved to New York City when she was ten years old. One day she decided that she wanted to become a doctor. That was nearly impossible for a woman in the middle of the nineteenth century. After writing many letters asking for admission(¼ȡ) to medical schools, she was finally accepted by a doctor in Philadelphia. She was so determined that she taught school and gave music lessons to get money for the cost of schooling.

In 1849, after graduation from medical school, she decided to further her education in Paris. She wanted to be a surgeon(Íâ¿Æҽʦ) , but a serious eye problem forced her to give up the idea.

Upon returning to the United States, she found it difficult to start her own practice because she was a woman. By 1857 Elizabeth and her sister, also a doctor, along with another woman doctor, managed to open a new hospital, the first for women and children. Besides being the first woman physician and founding her own hospital , she also set up the first medical school for women.

1.Why couldn't Elizabeth Blackwell realize her dream of becoming a surgeon? ______

A. She couldn't get admitted to medical school.

B. She decided to further her education in Paris.

C. A serious eye problem stopped her.

D. It was difficult for her to start a practice in the United States.

2.How many years passed between her graduation from medical school and the opening of her hospital?_____

A. Eight years. B. Ten years.

C. Nineteen years. D. Thirty-six years.

3.According to the passage, all of the following are "firsts" in the life of Elizabeth Blackwell EXCEPT that she ______.

A. became the first woman physician

B. was the first woman doctor

C. and several other women founded the first hospital for women and children

D. set up the first medical school for women

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It all comes back to attitude!

If you want to be happy you must take responsibility and stop expecting things or people to make you happy.You are the source of your own happiness, so stop looking elsewhere 1.________Here are a few ways for you to follow:

Be thankful to others. 2.______ It is too easy to take those around us for granted.Show them the same consideration you would like shown to you.

3.________ This goes beyond politeness; It is a form of giving.Treat everyone you meet as if they have a big sign on their body saying ¡°Make me feel important.¡± If you do this you will discover a hidden source of joy.

Perform acts of kindness. Don¡¯t wait to be asked. 4._______ It doesn¡¯t need to be a big thing, hold the door for a stranger, or smile at anyone you meet. Look for opportunities to make others feel good.

Make a decision to be happy. This is the most important step on the road to a happy life. 5. ________ You are the key to your own happiness, so go ahead and unlock it .

A. Respect other people.

B. Be polite to other people.

C. Instead of looking for happiness,start creating it.

D. You can change your feelings by acting the way you want to feel.

E. If you see an opportunity to do something nice for someone else, do it!

F. Simply make up your mind to be the happiest person you know and you will be.

G. Appreciate the people in your life, and say thank you for any politeness they show you

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Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day. 1..

Buy Nothing Day is November 29. It¡¯s 25 days before Christmas. It¡¯s after Thanksgiving and often the first day of Christmas shopping. 2..

The idea for Buy Nothing Day started in Vancouver, British Columbia. 3.. In California, parents and children get together to read stories, sing songs, and paint pictures. The children talk about why they don¡¯t need a lot of toys. This year, in Manchester, England, people dressed up in costumes to tell people that we buy too much.

In Albuquerque, New Mexico, high school students wanted to tell other students about Buy Nothing Day. They organized a spaghetti dinner to give people information about Buy Nothing Day. 4.. They made posters and talked to other students about it. 5.. The students at high schools liked the idea of this new tradition. Next year, they want to have another dinner to tell more people about Buy Nothing Day.

A. They asked restaurants in the neighborhood to donate the food.

B. At this time, we see ads in Newspapers and, on TV telling us to ¡°buy, buy, buy!¡±

C. Buy Nothing Day has successfully persuaded people not buy anything.

D. Many people think highly of the idea of Buy Nothing Day.

E. They don¡¯t want anyone to go shopping on that day.

F. Now people all over the world celebrate Buy Nothing Day.

G. The dinner was a big success, and many students agreed not to buy anything on November 29.

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Hong Kong, a city of seven million¡ªand growing fast. By the year 2050 Hong Kong¡¯s population will almost double. Where will these people live?

There¡¯s only one place to go¡ªup. Fast forward 50 years£®This is the tallest man-made structure on the planet. Its name£ºMillennium Tower. It would stand twice as tall as anything built before. Over 60 thousand people would live or work here. Millennium¡¯s designers think it represents the best solution for the coming population explosion.

It would cost ten billion dollars and consume more building materials than any single nation could produce. David Nelson, one of Millennium¡¯s key designers, said£º¡°It would be a massive project and a world project. But to actually realize it, resources would have to come from all over the globe. The challenge and the motivation for doing it would be to realize one of the world¡¯s largest and most complex construction projects.¡±

Millennium would be more complex than anything ever built. So its builders won¡¯t know for sure the building is safe until it¡¯s up, and they can¡¯t afford to make an error. Massive earthquakes have brought down entire cities in this part of the world. Can Millennium¡¯s designers make it immune to these quakes of the earth?

For Millennium, like all the other buildings, safety is just one concern among many. It will need to be a home, one that welcomes people in. Getting people into the building and making sure they have a great experience well be what makes Millennium successful, but how to do it? For the design team, the secret was to bring all the elements of city life within. Cafes and restaurants, theatres and stores would provide entertainment. Health clubs, even schools and medical clinics would also serve the towers¡¯ residents.

Millennium¡¯s designers have proven something. Things that seem impossible today, might just become reality tomorrow. The engineering problems have, for the most part, already been solved. Our achievements are limited only by our imaginations.

1.Why did the designers decide to build Millennium?

A£®Because they wanted to build the world¡¯s most complex building.

B£®Because Hong Kong¡¯s population will greatly increase.

C£®Because Hong Kong is developing fast as an international city.

D£®Because it can bring huge profit after it is put to use.

2.What is TRUE about the project?

A£®It will be completed in the year 2050.

B£®It can accommodate all the residents in Hong Kong.

C£®It is designed by designers from all over the globe.

D£®It has to be strong enough to stand earthquakes.

3.The success of Millennium mainly relies on _______.

A£®how many resources will be used

B£®how many nations will work together

C£®whether people can enjoy their life in it

D£®whether it is safe for people to live in

4.How does the writer develop this passage?

A£®By providing descriptions. B£®By using figures.

C£®By giving examples. D£®By analyzing causes.

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