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3£®¿ªÍ·ºÍÂä¿îÒÑΪÄãдºÃ£¬µ«²»¼ÆÈë×Ü´ÊÊý¡£Dear Tom£¬

Thanks for your email last time.____________________________________________

_______________________________________________________________________

________________________________________________________________________

________________________________________________________________________

Yours£¬

Li Hua

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Dear Tom£¬

Thanks for your email last time. I'd like to tell you that I am now focusing my attention on American culture, especially American festivals.

When it comes to American festivals, what attracts me most is Thanksgiving Day. Since I have never spent the festival in America in person, I know little about it. I would appreciate it greatly if you can tell me something about it. My questions are as follows: How did it come into being? When and how do people celebrate it? What's its significance?

I hope you can give me assistance in this problem and thank you in advance.

Best wishes!

Yours£¬

Li Hua

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Smoggy weather has become common in China. But these days, air pollution levels in the northeastern city of Harbin surpassed the previous record levels.

The city was essentially shut down after PM2.5, fine particulate (΢Á£µÄ) pollution that is considered dangerous, reached levels of 1,000 micrograms per cubic meter ¡ª ¡¾1¡¿. Schools, motorways and an airport were closed on Tuesday as visibility in some areas of the city dropped to less than 10 meters.

_¡¾2¡¿. It stated that there is ¡°sufficient evidence¡± that exposure to outdoor air pollution causes lung cancer. _¡¾3¡¿. Moreover, it's said that exposure has increased significantly particularly in ¡°rapidly industrial countries with large populations¡±£®

On the Chinese social media site Weibo, many users complained about the pollution and shared their concerns. ¡¾4¡¿. Nowadays, there is a sarcastic play on the expression ¡°serve the people¡±£¬ as the two have a similar pronunciation.

¡°¡¾5¡¿. There won't be a sudden outbreak of symptoms, but normally three to five days after the smoggy weather occurs, there is a peak in the number of people seeing doctors£¬¡± Deng Ying, a doctor at the Second Affiliated Hospital of Harbin Medical University was quoted as saying.

A£®The impact of air pollution on people will be gradual

B£®Smog has been regarded as the biggest killer nowadays in China

C£®Just days previously, the World Health Organization classified air pollution as a carcinogen (Ö°©Îï)

D£®The faster smog comes, the faster it goes away

E£®References to ¡°feed people with smog¡± have become popular on Weibo

F£®40 times the safety level reminded by the World Health Organization

G£®And meanwhile, the risk of bladder cancer is also closely connected with it

¡¾ÌâÄ¿¡¿NBA basketball players devote much of their lives to preparing for games. This preparation, which includes studying game films, practicing skills and treating injuries, is essential because of the pressure-packed nature of their profession.

¡¾1¡¿ Generally, on the day of a game, players get together in the morning for an hour shooting and also to review films of the opponent of that night. ¡¾2¡¿ Players receive treatments for injuries, put on their uniforms, discuss strategies(²ßÂÔ) with coaches and warm up during the remaining time before the game gets underway. As thousands of people cheer them on, a team¡¯s best players will play 40 or more minutes during the game. After the game, some players stick around to lift weights before showering and heading home.

¡¾3¡¿ They must leave their families at home, spend hours on planes traveling around the country and try to stay rested while sleeping at a different hotel every night.

The NBA¡¯s 82-game regular season is tiring. ¡¾4¡¿ So many players focus on recuperating(»Ö¸´) for at least part of the off-season. Other players, may work on recovering from surgery to correct injuries.

Weeks before the training camp, NBA basketball players start getting back in shape for the upcoming season. ¡¾5¡¿ Younger players often take part in developmental leagues during the summer months to increase their chances of getting onto an NBA team.

A£®Trips can be difficult for NBA basketball players.

B£®The league was founded in New York City on June 6, 1946.

C£®It can even make the best-conditioned athletes tired.

D£®It consists of 30 teams, 29 in the US and 1 in Canada.

E£®The preparation may involve practicing basketball skills and lifting weights.

F£®Following lunch, many players take a nap and eat a pre-game meal before arriving at the field.

G£®An NBA basketball player¡¯s typical workday routine varies based on his team¡¯s schedule of games.

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I passed my driving test at the fourth attempt. You might think that means I'm not as safe as someone who passed on their first attempt. But would you feel safer with no driver at all? Maybe not, and that's why automotive firms have included driverassist functions in their driverless cars. This allows the human driver to take over if there is a problem.

Google is one producer that has prototype driverless cars. These cars have been newly equipped with autosteering wheels and conventional controls to allow normal driving. But this is just a stage ¡ª the vision is to have fully automated cars very soon. The director of Google's selfdrive project, Chris Urmson, hopes his 11yearold son will never have to take a driving test. To achieve that, the cars need to be on the roads in five years. He says driverless cars will greatly reduce accidents and traffic jams.

According to Chris, about 1.2 million people are killed on the roads around the world each year. That number is equivalent to a jet falling out of the sky every day. He thinks gradual changes to existing car designs are not enough to deal with the problems. ¡°If we are really going to make changes to our cities, get rid of parking lots, we need selfdrive cars£¬¡± he says.

Google's prototypes have covered over a million kilometers on the road. They have also had to deal with unexpected situations, such as a child driving a toy car in the road, and a woman in an electric whelchair chasing a duck. In each case, the car reacted safely.

Some are not convinced. Sven Beiker of Stanford University thinks driverless cars will still need human input in extreme circumstances.

¡¾1¡¿According to Paragraph 1, what is the author's chief concern about driverless cars?

A£®Functions. B£®Safety.

C£®Price. D£®Appearance.

¡¾2¡¿Chris Urmson mentioned his 11yearold son in order to show that ________.

A£®traditional cars are harmful for kids

B£®his son is not good at driving

C£®his son is a slow learner in driving

D£®driverless cars will come soon

¡¾3¡¿What is Chris Urmson's comment on selfdrive cars?

A£®They can solve many existing problems.

B£®They are safer than a jet plane.

C£®They can completely change our cities.

D£®They should change gradually.

¡¾4¡¿What can we learn from the text?

A£®Google's prototypes will be tested on the roads soon.

B£®Selfdrive cars are not designed for children or women.

C£®Concerns remain about the reliability of selfdrive cars.

D£®Driving tests will be easier to pass in the near future.

¡¾ÌâÄ¿¡¿ÔĶÁÀí½â¡£

Washington D£®C. is No.1

It is best known as a city of monument. In the middle of traffic circles or on street corners, you'll find statues, plaques (ØÒÅÆ), and simple blocks of marble there. They honor the people who helped shape the US.

And on Oct. 20, Lonely Planet, one of the world's largest travel guides, named Washington D£®C. the No.1 city in its list of ¡°Best in Travel 2015¡±£®

¡°The year 2015 is a fantastic year to visit Washington D£®C.£¬¡± Tom Hall, editorial director of Lonely Planet, told The Guardian. ¡°The 150th anniversary of Abraham Lincoln's assassination (°µÉ±) makes this year big for Washington D£®C. The famous top hat of America's 16th president and the gun that fired the deadly shot will be on display. Add that to its incredible eats, performing arts and museums. The nation's capital is looking better than ever.¡±

There are a lot of free museums in the city. When British scientist James Smithson died in 1829, he left a will giving his money to the United States to open a museum at Washington, under the name of the Smithsonian Institution. It has turned out to be a wonderful gift, and the institution now covers 19 museums. And of course, no Washington tour is complete without seeing the White House, the Capitol, and the Supreme Court, which are home to the three pillars (ºËÐÄ) of the

US government. But there is more to explore in the center of the US power. It is a city you can walk across, with wideopen avenues, old neihborhoods, and river views.

And as USA_Today notes, diversity is another reason to ¡°fall in love with the city¡±. ¡°There is a lot of diversity in Washington D£®C., seen in its people, its neighborhoods and its landmarks. From Chinatown to Little Ethiopia, visiting the nation's capital is like seeing the world in one trip£¬¡± said the newspaper.

¡¾1¡¿One of the reasons why Washington D£®C. is worth a visit in 2015 is that ________.

A£®food and performing arts there are much better than anywhere else in the world

B£®the top hat of 15th president of America will be on show in the year 2015

C£®seeing the museums will make your tour in Washington D£®C. complete

D£®the diversity of the city offers you an opportunity to see more in one trip

¡¾2¡¿Which of the following details is RIGHT according to the article?

A£®The 150th anniversary of Lincoln's assassination makes the tour more worthwhile.

B£®The first reason why Washington D£®C. is worth a visit is that it is the capital of the country.

C£®Lonely Planet decides to make Washington D£®C. a mostvisited place in 2015.

D£®All the museums in Washington D£®C. were named after the Smithsonian Institution.

¡¾3¡¿What is USA Today according to the last paragraph?

A£®A wellknown company.

B£®A newspaper.

C£®An advanced institution.

D£®A website.

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