Sharks are among the oldest animals on Earth. There are hundreds of kinds of sharks. Most are about two meters long. The dogfish shark, however, is less than twenty centimeters in length. A shark has an extremely good sense of smell. It can find small amounts of substances in water, such as blood, body liquids and chemicals produced by animals. 71 Sharks eat fish, other sharks, and plants that live in the ocean.
Sharks grow slowly. About forty percent of all sharks lay eggs. 72 Some sharks carry their young inside their bodies as humans do. Some sharks are not able to reproduce until they are twenty years old．Most reproduce only every two years. And they give birth to fewer than ten young sharks. For this reason, over-fishing of sharks is of special danger to the future of the animal.
Sharks are important for the world’s oceans. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too great. 73.
People hunt sharks for sport, food, medicine and their skin. Experts say the international market for some kinds of sharks has increased because many parts of a shark are valuable.
Collectors pay thousands of dollars for the jaws of a shark. 74 The skin of a shark can be used like leather.
In Asia, people enjoy a kind of soup made from shark fins. Experts say a fisherman can earn a lot of money for even one kilogram of shark fins. Sharks are among the oldest animals on Earth, but some sharks are in danger of disappearing from Earth.75.
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A．Shark liver oil is a popular source of Vitamin A |
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B．This protects the plants and other forms of life that exist in the oceans |
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C．Sharks are valuable to us and we can make full use of them |
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D．These powerful senses help sharks find their food |
E．If too many sharks in one area are killed, that group of sharks may never return to normal population levels
F． his is a threat to other forms of life in the ocean.
G．The others give birth to live young
Light for the City
Edison and his assistants came to New York to set up an electric power system. They hoped it would provide enough electricity to light up a part of the great city.
They bought several machines with them. These were called generators, which produced electricity power for lamps in Edison’s building.
Soon there were lights for the building. Edison lived in a room facing the street and he often worked over night. The light burned brightly and steadily and he often worked over night. People often came and stopped their horse-drawn carriage to look. Everyone knew that Thomas Edison was in town.
First, the inventor and his assistants produced several large generators. A great deal of power would be needed to light up even a small part of the city.
Then the workers were busy digging deep trenches(沟) in the hard earth below the city streets, and Edison had fourteen miles of wire laid into the trenches. The wire connected each building to a generator.
Setting up an electric power system was not an easy job. It took a year and a half. In September, 1882, the job was finished.
A small group of men stood around Edison inside the power house. The big moment came at last. The inventor, taking a deep breath, pulled a switch. The electric lights flashed up.
“Very good! Very good!” a man nearby shouted to praise Edison for what he had done.
“Sir,” said Edison, “this is only the beginning!” And Edison was right. Soon Edison’s lamp were lighting up cities all over the world.
1.The generators they brought with them could produce as much as electricity as ______ needed.
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A．Edison’s building |
B．a small part of the city |
C．the whole city |
D．the world |
2.At that time carriages ______ by horse could be seen in the street.
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A．draw |
B．drew |
C．drawn |
D．drawing |
3.Trenches were dug to ______.
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A．set up generators |
B．lay wires |
C．built city streets |
D．build a power house |
4.It took a year and a half to ______.
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A．set up the electric system |
B．produce several large generators |
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C．dig the deep trenches |
D．lay fourteen miles of wire into the trench |
Smiling
People smile at times. However, the meaning of a smile in different cultures may be different. Depending on different cultures, smiling can express joy and amusement, but it can also indicate embarrassment（苦恼）. The following examples show this point of view:
In an attempt to be open and friendly, people in the United States smile a lot. Every one smiles at each other, this nonverbal communication shows being friendly in the United States. However，in China, smiling is not only an expression of happiness, but also a way to avoid being embarrassed. Chinese people like smiling when they are embarrassed in order to avoid embarrassment. Smiling is a kind of good will but not sneer（嘲笑）. For example: When a child falls off from a bike, the adults in China may smile, which is a kind of gentle encouragement and may not be a kind of impolite laugh.
When a person from the United States might blush（脸红）with embarrassment or become offensive, a Chinese might blush with smile. To avoid serious misunderstanding, people who engage in intercultural communication should be able to understand the meaning of smiling appropriately. Related to the smile is the laugh. Also, different cultures have different meanings about laugh. For example, Americans can enjoy a very heartfelt belly (腹部) laugh that comes from the deepest emotions. However, most Chinese seldom laugh that way because they are thought to be silly except among close friends.
1.We can use smile to express all of the following feelings except_________,
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A．joy and happiness |
B．amusement |
C．embarrassment |
D．fear |
2.People often smile at each other in the United States because_________.
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A．they are very happy |
B．they want to show they are friendly |
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C．they want to hide their true feelings |
D．they want to avoid embarrassment |
3.In China, seeing a child falls off a bike, an adult will smile in order to ________.
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A．laugh at him |
B．avoid his own embarrassment |
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C．avoid embarrassment and encourage the boy |
D．show his politeness |
4.What is mainly talked about in the passage?
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A．People smile at times. |
B．Smiling can express different feelings depending on different cultures. |
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C．Americans are more open and friendly than Chinese people. |
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D．The Chinese people often hide their true feelings. |
Bill Robinson is on trial for murder（因谋杀而受审）．He grew up in a small town in Ohio and then went to Kent State University for one year．When he was nineteen years old，he was asked to join the army and was soon sent to fight in Vietnam．He was very unhappy there as he hated the war and he hated killing people．Two years later he returned home and tried to pick up where he had left off，but things were never quite the same again for the young black man．For one thing，he always had terrible dreams about the war．He could not concentrate on his studies and soon he had to leave school．Then he was fired from one job after another．He wanted to meet someone nice and get married，but he just couldn't seem to get close to anyone．He became angry easily and people avoided him．He was always lonely．Finally one day，while eating at a restaurant，Bill lost control of himself and shot someone for no reason at all．Bill's lawyer hopes that he will not be held responsible for the shooting．He hopes that the judge and the jury（陪审团）will understand that Bill was“temporarily insane（一时精神错乱）”and did not really choose to kill anyone．
1.What did Bill Robinson do after he returned from abroad？
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A．He gave up the chance to go back to college． |
B．He tried to go back to his normal life． |
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C．He picked up his things and left again． |
D．He found what he had dreamed of． |
2.He failed to complete his college education because he ____ ．
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A．hated school |
B．joined the army |
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C．didn't study hard |
D．found it difficult to keep his mind on his studies |
3.He never married because ____ ．
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A．there were no nice girls around |
B．he didn't care to meet any girls |
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C．he hadn't met girls that he liked |
D．he found it hard to make friends with girls |
4.The best title for this article is ____ ．
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A．Robinson on Trial |
B．Murder at a Restaurant |
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C．A Young Black Man |
D．A Victim of the Vietnam War |
For thousands of years, man has enjoyed the taste of apples. Apples, which are about 85 percent water, grow almost everywhere in the world but the hottest and coldest areas (地区). Among the leading countries in apple production are China, France and the United States.
There are various kinds of apples, but a very few make up the majority of those grown for sale. The three most common kinds grown in the United States are Delicious, golden Delicious, and McIntosh.
Apples are different in colour, size, and taste. The colour of the skin may be red, green, or yellow. They have various sizes, with Delicious apples being among the largest. The taste may be sweet or tart (酸的). Generally, sweet apples are eaten fresh while tart apples are used to make applesauce (苹果酱).
Apple trees may grow as tall as twelve metres. They do best in areas that have very cold winters. Although no fruit is yielded during the winter, this cold period is good for the tree.
1.It can be learned from the text that delicious apples are _______________
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A．grown in France. |
B．sold everywhere. |
C．very big. |
D．quite sweet. |
2.Cold winter weather is good for _______________
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A．the growth of apple trees. |
B．producing large apples. |
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C．improving the taste of apples. |
D．the increase of water in apples. |
3.China, France and the United States are considered to _______________
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A．be large producers of apples. |
B．be large producers of applesauce. |
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C．have the longest history in apple production. |
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D．have the coldest winter among apple producing countries. |
A Shelter for the Homeless
Last summer I was a volunteer (志愿者) at a shelter for the homeless, a place for homeless people to sleep at night. I wasn’t working that summer and was 36 only two classes in summer school, so I had some 37 time.
Three nights a week, I 38 in the kitchen of the shelter along with four other volunteers. We planned and 39 for 45 people hot meals 40 vegetables, chicken, fish and fruit. The homeless people 41 this good food because many of them usually didn’t eat well.
I 42 this volunteer work, making 43 with the four volunteers in the kitchen. One was a very nice elderly housewife, one a movie actor, another a young teacher, and the other a college student, 44 me.
I talked to a lot of the homeless people at the shelter. Their life stories 45 me with sympathy (同情). Some of them had 46 with alcohol (酒) or drugs while others only had bad 47 . One woman worked for almost 30 years for a small company, and 48 she lost her job. She looked for a 49 job,but couldn’t find one, for she was too 50 . She could do nothing but sell her furniture — sofas, chairs, and tables 51 she could pay for her food.The woman 52 on job hunting, but she 53 couldn’t find one.She had no money for her 54 and had to sleep in her car. Then she had to sell her car. Alone, 55 , and homeless, she finally came to the shelter.
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