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When I was 13, my family moved away, Linda and I kept in touch through letters， and we saw each other on special times- like my wedding and Linda’s. Soon we were busy with children and moving to new homes, and we wrote less often. One day a card that I sent came back, stamped “Address Unknown”. I had no idea about how to find Linda.

Over the years, I missed Linda very much, I wanted to share happiness of my children and then grandchildren, And I needed to share my sadness when my brother and then mother died, There was an empty place in my heart that only a friend like Linda could fill.

One day, I was reading a newspaper when I noticed a photo of a young woman who looked very much like Linda and whose last name was Wagman—Linda’s married name. “There must be thousands of Wagmans . ”I thought, but I still wrote to her.

She called as soon as she got my letter, “Mrs, Tobin!” she said excitedly, “Linda Evans Wagman is my mother.”Minutes later I heard a voice that I recognized at once, even after 40 years. We laughed and cried and caught up on each other’s lives, Now the empty place in my heart is filled, And there’s one thing that Linda and I know for sure: we won’t lose each other again! 41. The writer went to piano lessons with Linda Evans . A. at the age of 13

B. before she got married

D. after they moved to new homes

C. before the writer’s family moved away

42. They didn’t often write to each other because they . A. got married

B. had little time to do so

D. could see each other on special times

C. didn’t like writing letters

43. There was an empty place in the writer’s heart because she . A. was in trouble

B. didn’t know Linda’s address

D. didn’t have a friend like Linda

C. received the card that she sent

44. The writer was happy when she . A. read the newspaper

B. heard Linda’s voice on the phone C. met a young woman who looked a lot like Linda

D. wrote to the woman whose last name was Wangman 45. They haven’t kept in touch . A. for about 40 years

B. for about 27 years

D. since the writer’s family moved away

B

C. since they got married

Looking back on my childhood, I am convinced that naturalists are born and not made. Although we were brought up in the same way, my brothers and sisters soon abandoned their pressed flowers and insects. Unlike them, I had no ear for music and languages. I was not an early reader and I could not do mental math.

Before World War I we spent out summer holidays in Hungary. I have only the dim糊的)memory of the house we lived in, of my room and my toys, Nor do I recall clearly the large family of grandparents, aunts, uncles and cousins who gathered next door. But I do have a crystal clear memory of dogs, the farm animals, the local birds and above all, the insects.

I am a naturalist, not a scientist. I have a strong love of the natural world, and my enthusiasm has led me into various investigations. I love discussing my favorite topics and enjoy burning the midnight oil reading about other people’s observations and discoveries.Then something happens that brings these observations together in my conscious mind. Suddenly you fancy you see the answer to the riddle. Because it all seems to fit together. This has resulted in my publishing 300 papers and books, which some may light honor, with the title of scientific research.

But curiosity, a keen eye ,a good memory and enjoyment of the animal and plant world do not make a scientist: one of the outstanding and essential qualities required is self-discipline, a quality I lack, A scientist can be made a naturalist. If you can combine the two, you get the best of both worlds.

46. According to the author, a born naturalist should first of all be A. full of ambition

B. self-disciplined

C. full of enthusiasm D. knowledgeable

47. The first paragraph tells us that the author A. lost his hearing when he was a child

B. didn’t like his brothers and sisters

D. was born to a naturalist’s family

C. was interested in flowers and insects in his childhood

48. The author says that his a naturalist rather than a scientist probably because he thinks he A. just reads about other people’s observations and discoveries B. lacks some of the qualities required of scientist C. has a great deal of trouble doing mental arithmetic D. comes up with solutions in most natural ways. 49. The author can’t remember his clearly because A. He didn’t live very long with them C. The family was extremely large

B. He was too young when he lived with them D. He was fully occupied with observing nature

50. Which of the following statements is true?

A. The author believes that a born naturalist cannot be a scientist

B. The author read a lot of books about the natural world and oil industry C. The author’s brothers and sisters were good at music and languages D. The author spent a lot of time working on riddles.

C

Of the thousands of different kinds of animals that exist in the world man has learned to make friends with an enormous number. Some are pets, and offer him companionship, some give protection, and some do hard work which man can not do for himself. Dogs , which serve man in all three capacities(能力), are found in various species in all countries of the world. The Husky can live in the cold polar regions,and the Saluki is at home in the hottest parts of Central Africa.The inhabitants (居民)of certain countries are dependent for their very lives on the camel. In the West Indies the little donkey, strong and sure-footed, carrying heavy loads even in mountainous, places, is a familiar sight.

Trained and tamed for many generations, domestic animals are not accustomed to roaming in search of food and shelter. They look to their masters to provide for their needs, and as long as these are supplied, they are content to do what their masters require.

All domestic animals need proper food .It must be suitable for them, sufficient in quantity, fresh and clean. Some people feed a pet dog or cat on odds and ends of table scraps(剩饭), and then wonder why the animal seems tired and dull. The quantity of food depends on the size of the animal and the amount of exercise it takes. Overfeeding is as bad as underfeeding. Containers for food and water must be washed regularly if the animal is to maintain good health.

Even well-cared-for animals may sometimes fall ill. If this happens, the wise master seeks the best advice he can get. All sorts of medicines and treatments are available for sick animals, and in some countries organizations exist to provide them free of at a cheap price. Useful, friendly, hardworking animals deserve to have some time, money and attention spent on their health. 51. What main idea does the author want to convey in the first paragraph? A. There exists thousands of species of animals in the world.

B. Man came to establish a close relationship with a number of animals. C. In some regions a donkey seems to be a very useful beast. D. An animal will be useless unless domesticated.

52. When an animal doesn’t get enough food, it will probably A. refuse to obey its master

B. immediately fall ill

D. seek for food on its own

C. require its master to offer some food

53. Which of the following is NOT true of dogs according to the passage? A. They can act as friends, guards ,and servants to man.

B. They have great adaptation for the environment.

C. There live a great variety of species of dogs on the globe.

D. The Husky and the Saluki are the strongest species ever known in the world 54. To keep a domestic animal physically fit, its owner is advised A. not to hesitate to spend enormous amount of money on it B. to pay attention to its proper feeding

C. not to allow it to take excessive amounts of exercise D. to join some sort of pet-keeping organizations

55. Which of the following would be the best title for this passage? A. Domesticated Animals-Man’s Best Friends

B. Proper Diet- the Road to Health

D. Some Tips on Pet- keeping

C. The Advantages of Raising Domestic Animals

D

Why are people interested in eating raw foods or whole foods? One reason is that eating these types of food reduces the risk of acid accumulation in your body.

Raw and whole foods are usually digested more efficiently than cooked and refined foods. When we cook foods, we destroy the natural enzymes(酶)that are part of the food in its raw form. These enzymes were intended by nature to help us digest the food. When we consume food without these natural enzymes, our bodies either digest the food improperly or allow too many nutrients to be absorbed into the bloodstream. In both instances, the result is obesity. When too many nutrients are absorbed at once, the body grows fat. Improperly digested food moves slowly through the digestive tract, where it becomes increasingly acidic (酸性的). To protect its vital organs from this acidic waste, the body changes the acid into fat and stores it safely away from the organs.

Processed foods contain chemical elements, which might confuse the appetite mechanism that tells us when we’ve had enough to eat; as a result, people often overeat . Processed foods also upset the digestive cycle. The body will either identify these foods as allergens and then store them safely away from the organs as fat, or the remains of undigested food will become acidic and enter the bloodstream as acid waste, which will stick to the blood vessel walls and block the passage of vital oxygen and nutrients heading for the body’s cells. The body’s metabolism(新陈代谢) becomes inactive, and then result is weight gain and obesity.

The accumulation of acid in the digestive tract makes digestion increasingly inefficient. When that happens, even healthy foods can become acidic and the food allergies will become more common.

To stop this vicious(恶性的) circle in its tracks, people need to consume food and supplements that will neutralize （使…中和）the acid already accumulated in body. Eating the right types of raw

and whole foods can help. it’s also important to restore your enzyme balance. You need to identify and avoid the foods that cause acid accumulation and consume the foods that increase enzyme production. If you truly want to change and help your body heal itself , you need to take an active approach.. 56. What is the main purpose of this passage? A. To advocate eating more raw and whole foods

B. To tell the differences between raw and processed foods C. To inform people of the harm of processed foods D. To warn people of the problem of obesity 57. It can be inferred from Para. 2 that

A. it is essential for people to protect their vital organs B. foods with natural enzymes help people keep fit C. we’d better be cautious about raw and whole foods D. giving up cooked and refined foods is a new lifestyle 58. Processed foods are unhealthy because they A. destroy body’s cells C. may lead to obesity

B. are difficult to digest

D. stop body’s metabolism

59. What is likely to be talked about following the last paragraph? A. Active approaches to avoid acid . C. Correct ways to cook raw foods . 60. What can we learn from the text?

A. Processed foods are good for our appetite mechanism

B. Eating the right types of raw and whole foods does good to our body

C. The accumulation of acid in the digestive tract makes digestion more effective D. Processed foods also comfort the digestive tract

E

Electrical devices(仪器)could soon use power made by human energy. Scientists say they have developed an experimental device that produces electricity from the physical movement of a person walking , British scientist Max Donelan and other scientists in Canada and the United States developed the device.

The device connects to a person’s knee. As the person walks ,the device captures energy each time the person slows down. To do this ,the device helps with the slowing sown movement of the leg, the movements of the walking person push parts of a small machine that produces electricity. Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute.

B. Different causes of acid accumulation. D. Suitable types of raw and whole foods.