We all know that if we want to keep our body in good shape we have to do physical exercise regularly as well as be careful with what we eat. What we tend to forget is that this goes for our eyes as well. Medical science confirms that a diet rich in carotenoids (类胡萝卜素) can help maintain good vision(维持好视力) and prevent against a number of eye diseases. Here's some advice about how to choose the right diet to keep your eyes healthy.
— Eat orange food. Fruits and vegetables with orange flesh are rich in carotenoids. In addition to carrots，oranges，pumpkins and sweet potatoes are also available. All of these contain high levels of carotenoids，which help to maintain good vision.
— Include dark green vegetables，such as spinach (菠菜) and broccoli (西兰花) in your diet, to act as natural sunglasses. Recent scientific studies have shown that these vegetables can help block (阻挡) the damaging UV radiation(紫外线辐射)from the sun's rays.
— Prevent some eye diseases with orange juice, yellow corn, whole milk, nuts and leafy vegetables. These foods are good sources of vitamins A, C, D and E. All of these are necessary to good eye health.
— Increase your intake of omega3 with some sea fish, and some other seafood. Omega3 helps build cell walls and is especially beneficial to keeping eyes healthy .It also helps regulate the eye's internal pressure and helps the eye dry up excess fluid.We can learn from the first paragraph that healthy food .
| A．keeps eyes healthy |
| B．means you don't need exercise |
| C．can help cure eye diseases efficiently(有效地) |
| D．means people don't have to wear glasses |
Why should people eat orange food according to the text？
| A．It is beneficial to building cell walls in eyes. |
| B．It is more delicious than other food. |
| C．It is good for eyesight. |
| D．It is rich in various vitamins. |
Which of the following can help block the damaging UV radiation from the sun's rays？
| A．Pumpkins. | B．Juice. | C．Nuts. | D．Broccoli. |
The purpose of the text is to tell people how to .
| A．keep their body in good shape |
| B．choose a healthy diet for their eyes |
| C．prevent serious eye diseases |
| D．get natural sunglasses from food |
Grant Wood’s American Gothic caused a stir （轰动）in 1930 when it was exhibited for the first time at the Art Institute of Chicago and awarded a prize of 300 dollars. Newspapers across the country carried the story, and the painting of a farmer and a younger woman posed before a white house brought the artist instant fame.
In 1930, Grant Wood, an American painter with European training, noticed a small white house built in the small southern Iowa town of Eldon. Wood was so fascinated by it that he decided to paint the house along with the kind of people he thought should live in that house. In the painting, the farmer is modeled on his dentist. Dr. Byron McKeeby. His younger sister Nan served as a model for the woman （imagined to be the farmer’s wife or daughter）. Wood wanted to give a description of the traditional roles of men and women as the man is holding a pitchfork symbolizing hard labor. Each element was painted separately; the models sat separately and never stood in front of the house. The Gothic style of the house inspired the painting’s title.
American Gothic remains one of the most famous paintings in the history of American art. The painting has become part of American popular culture. Some believe that Wood used it to satirize（讽刺） the narrow-mindedness that has been said to characterize Midwestern culture. The painting may also be read as a praise of the moral virtue or rural America or even as a mixture of praise and satire. American Gothic is one of the few images to reach the status of cultural symbol, along with Leonardo da Vinci’s Mona Lisa.Which of the following is true about American Gothic?
| A．It won a prize of ￡ 300. |
| B．The two characters in it posed before the White House. |
| C．It was the first painting by Grant Wood. |
| D．It was on show at the Art Institute of Chicago in 1930. |
From the passage we can infer Iowa is in __________.
| A．the southern town of Eldon | B．the Midwest of the United States |
| C．a European country | D．the city of Chicago |
Grant Wood chose the two models __________.
| A．to describe traditional roles of men and women |
| B．to praise the moral virtue of rural America |
| C．to make his dentist and his sister famous |
| D．to carry the story across the country |
The title of the painting is based on __________.
| A．the name of a small town | B．the man and the woman |
| C．the Gothic style of the house | D．the pitchfork symbolizing hard labor |
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What benefit can the readers possibly get according to the ad?
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During adolescence(青春期), peers（同龄人） play a large part in a young person's life and typically replace family as the center of a teen's social activities. Some kids give in to peer pressure because they want to be liked or because they worry that other kids may make fun of them if they don't go along with the group. Others may go along because they are curious to try something new that others are doing. The idea that "everyone's doing it" may influence some kids to leave their better judgment, or their common sense, behind.
As children grow, develop, and move into early adolescence, contacts with one's peers and the attraction of peer identification (认同)increases. As pre-adolescents begin rapid physical, emotional and social changes, they begin to question adult standards and the need for parental guidance. They find it good to turn for advice to friends who understand— friends who are in the same position themselves. By trying new things and testing their ideas with their peers, there is less fear of being laughed at.
There are two levels of peer pressure. The first is in the large group: for most teens a school or a youth group are examples. This is the situation that gets the most attention. The second is in the close relationship with one or several best friends. This is the situation that is sometimes disregarded. The large group puts a general pressure on its members. It sets the standard for clothing, music, entertainment, and "political correctness". The pressure can be avoided by keeping quiet or by putting on the appearance of agreement. Why can’t some children follow their common sense?
| A．Because they want to be liked by everybody. |
| B．Because they don’t want to make fun of others. |
| C．Because they are curious about their new friends. |
| D．Because they think all the children will do the same. |
When in pre-adolescence, who may children ask for suggestions?
| A．Parents | B．Teachers | C．Friends | D．Classmates |
Which word can replace the underlined word disregarded in the last paragraph?
| A．unnoticed | B．mentioned | C．disagreed | D．avoided |
What might be discussed in the following paragraph?
| A．The reasons of peer pressure. |
| B．The advantages of peer pressure. |
| C．Peer pressure from close friends. |
| D．Peer pressure from a youth group. |
BEIJING - By the end of 2011 China-made supercomputers will say goodbye to foreign microchips（微芯片） and start using their own "Chinese core(核心)", according to one of the country's leading scientists, Hu Weiwu.
Hu told reporters on Saturday that the "Dawning 6000" supercomputer, developed by the Institute of Computing Technology of CAS and the Dawning Information Industry Company (DIIC), will adopt Loongson microchips for the first time as its core parts. It will have a computing speed of more than 1,000 trillion operations a second.
Making supercomputers with Chinese microchips is one of the nation's major science and technology projects. Three organizations - the Institute of Computing Technology of CAS, Jiangnan Institute of Computing Technology and the National University of Defense Technology (NUDT) - have their own supercomputer projects.
According to their schedules, all three institutions will need to meet the target of using domestically（国内的） developed microchips by the end of this year. Hu said the new supercomputer will use fewer than 10,000 Loongson microchips, and will also be more energy-efficient.
Tianhe-1A, developed by NUDT in Hunan's provincial capital Changsha, is the fastest supercomputer in the world. However, Tianhe-1A largely runs on 14,336 CPUs made by Intel, and 7,186 GPUs (processing units) from Nvidia, two US chip-makers.
Hu said there will be difficulties ahead as there is little affiliated equipment specially developed for these supercomputers. "We have enough supercomputers in China but still can't make full use of them," He said.
Hu added that although the China-made CPUs have improved since they were first produced in 2002, they have a long way to go to compete with US chip-makers such as Intel.What’s the best title for this passage?
| A．The Arrival of Chinese Supercomputers |
| B．Homemade CPUs with a Long Way to Go |
| C．The Supercomputers of Three Organizations in China |
| D．Homemade CPUs on the Way for Local Supercomputers |
What will raise the speed to more than 1,000 trillion operations a second.?
| A．Dawning 6000 | B．Loongson microchips |
| C．DIIC | D．Tianhe-1A |
What do we know about Tianhe-1A?
A. Not all the parts of Tianhe-1A are made by China.
B. Tianhe-1A is developed by CAS and DIIC.
C. Tianhe-1A will use fewer than 10,000 Loongson microchips.
D. NUDT has produced a most powerful supercomputer in China.The underlined word “affiliated” can be replaced by_______.
| A．cheap | B．suitable | C．expensive | D．modern |
Cruising(乘船游览) with children has never been more
Cruising, with free parking, has never been more popular with families with children. It is an ideal family holiday - once you are on board the kids will have so much to do you may not see them at all!
With fantastic children’s clubs and a play area for under 2 years old, to circus skills school on top deck, Rock School, where teens can play guitar, and Noddy and Mr. Bump from the Mr. Men Show are regular visitors. With superliners created with enjoyment and comfort in mind why not take the stress out of your next family holiday.
Sail from UK in 2011 with free parking
Sailing from Southampton has never been better value with free parking on selected sailings, saving you up to an extra £200 off your holiday. Why not sail from Southampton in 2011 to a great range of classic and impressive destinations.
The sales continues more benefits added
The P&O Cruises sale has been extended! Book before 28th February and you can save up to £2,500 and receive up to £960 free onboard spend PLUS, you can now receive free car parking on selected sailings. Do as much or as little as you desire, with P&O – you make all the choices!
Get more from your holidays—free hotel stays
Looking for something a bit different? Why not try a cruise with a pre- or post-cruise stay. Spend a day or two in fantastic cities. Tour the St Peters Basilica in Rome, wander around Sagrada Família in Barcelona or wander the beach front of Miami. Best of all, this won’t cost you a penny!This passage is probably from________.
| A．a magazine | B．a report | C．the Internet | D．a travel book |
From the first advertisement we may reach a conclusion____.
| A．once you are on board the kids will leave you. |
| B．You can even take a one-year-old baby aboard. |
| C．There are two middle schools on top deck. |
| D．You’ll surely see Mr. Bump from the Mr. Men Show. |
What benefits can you get if you book before 28thFebruary?
| A．Money saved up to £ 250. | B．Some free onboard spend. |
| C．Free car parking. | D．A meeting with Noddy. |
Which of the following does NOT provide free parking?
| A．Cruising with children | B．Sailing from Southampton |
| C．P&O Cruises | D．Free hotel stays |