There is usually a good rail service （服务) between main towns in Britain. If you are under 24 or over 65 0r if you are traveling with a family, you can buy cheaper tickets on the train. In towns and cities there are usually buses. On Sundays there are fewer bus services and some smaller places may not have a Sunday bus service. In London there is also an underground. But the underground is not easy to use, so you should learn more about it before you use it.

　 Hotels are very expensive in Britain. A cheaper way is a "bed and breakfast" in someone’s home. Tourist offices or information centres can help you to find these. There are also youth hotels in many places. Students may receive a discount.

　 Restaurants are often expensive and you cannot be sure the food will be delicious. But Chinese and Indian restaurants usually serve pretty good meals at lower prices. Fast food shops are cheap, but the food is not always very good.

　 Not all banks exchange foreign money, but you can usually find at least one bank in each town that does so.

　 If you become ill or have an accident while in Britain and your country has an agreement with Britain for medical care, you can get free medical treatment.

　 You can only buy stamps in post offices, but nearly every village or part of a town has a post office. Often it is inside a small shop.

44. You may see the article in 　　 .

　 A. a guidebook　　 B. a geography book　 C. a food advertisement　 D. a medical book

45. How many kinds of traffic are talked about in the passage?

　 A. One.　　　　　　　 B. Two.　　　　　　　　　 C. Three.　　　　　　　　　　　　 D. Four.

46. Which of the following is NOT true?

　 A. There’s only one bank in each town in Britain.

　 B. A 30-year-old man cannot pay less money for trains in Britain.

　 C. There are different restaurants from different countries in Britain.

　 D. Students may pay less money than other people when they stay in a youth hotel.

　　　 Most people may not think that there are any problems with watermelons（西瓜）, but some Japanese sellers do. There is often wasted space when they store(贮存) watermelons, because round watermelons do not sit nicely on shelves. So some clever farmers have solved the watermelon problem. They make their watermelons grow in square glass boxes so the watermelons become square. The only problem now is the price. The square watermelons cost about 80 dollars each.

　　　 Many people know the saying “Roses are red, violets are blue, sugar is sweet and so are

you”. Well, today the poem needs to change to “Roses are red, roses are blue”! Australian scientists have just recently discovered that when they put a chemical(化学品) from a blue flower into a rose, they can create a nearly 100% blue rose. Some of science’s inventions are beautiful, not just useful!

　　　 Since the mid-1990s, many Chinese farmers have had amazing rice harvests. For many years Chinese scientists have been working on developing new kinds of stronger rice and now they have produced a new kind, called super rice. Super rice not only can protect itself against insects and diseases, but it also produces more than any other kind of rice. Today farmers can grow almost one and a half times more rice than they could grow in the past.

　　　 Doctors might be able to use vegetables to fight cancer now. US scientists have discovered a way to put a chemical into tomato plants while they are growing. When cancer patients eat the tomatoes, the tomatoes will fight the cancer in their bodies. These cancer-fighting vegetables are not yet for sale, because scientists have not finished testing them. If study finds no problems with the tomatoes, then patients can begin to use this easy and delicious new treatment.

(　 )76. Who thinks that there are some problems with watermelons?

A. Some Japanese sellers 　　　　　　 B. Some Australian scientists

C. Some Japanese farmers　　　 D. Some Chinese scientists

(　 )77.The square watermelons look like ____________.

A.　　　　　　　　　 B.　　　　　　　　　　　　 C.　　　　　　　　 D.　　　　　　　　

(　 )78. _____________ find a way to make blue roses.

A. Chinese scientists　　 　 　　 B. Australian scientists　

C. American scientists D. Japanese farmers 　

(　 )79.Which of the following is true?　 _____________

A. Super rice can keep itself from insects.

B. Blue roses are more beautiful than red ones.

C. The tomatoes can fight many kinds of diseases.

D. The square watermelons cost less than ordinary(普通的) ones.

(　 )80 . The main idea of this passage is ____________.

A. how scientists discover new plants　

B. how science makes plants produce more

C. how science has changed plants and people’s lives

D. how technology makes our world more beautiful

阅读理解：

　　Before her operation, Anna's eyesight was so bad that she could not see that alarm clock by her bedside.“I need glasses to find my glasses,”said Anna. Her glasses were as thick as a Coke bottle, and she said she was ready for anything that offers a better view of the world. So when she learned about the surgical(外科)way to correct near-sightedness, she needed no persuasion to accept the treatment.

　　It has been about four years since she had the operation on both of her eyes. She remains pleased with the results.“I had perfect vision only a day after the operation. It was as if I had never been short-sighted,”said Anna.

　　Being seriously shortsighted, Anna experienced some side-effects at first. The first was a tendency for the eye to water, especially when sleeping. It was a part of the healing process and lasted only a week. The second side-effect was a discomfort when looking at bright lights in the dark. It lasted six months and it did not harm her ability to drive at night.

　　Now the operation can be done with a laser guided by a computer instead of a diamond knife. With the operation, most patients will notice the improvement within 24 hours.“You can experience the operation today and throw away your glasses tomorrow,”said Dr. Karas, who has been operating on thousands of patients for over five years.

　　This operation has been around for more than twenty years and has been performed on millions of patients around the world. It has been studied by eight American universities for years, and the results are quite satisfactory. However, it is not yet known whether glasses will be out of use in the near future.

1．The word“eyesight”in the first paragraph means ________.

[　　]

2．In the passage the side-effects ________.

[　　]

A．mean great harm to one's health

B．cause other diseases

C．are the signs of getting well

D．make the patient uncomfortable

3．This operation has been around for more than twenty years. The word“around”means ________ in this sentence.

[　　]