Stomach Ulcer

    Stomach ulcers are the cause of severe pain for many people. Doctors have been able to help lessen the pain of ulcers. They could not cure them. Now doctors have discovered a cause of ulcers. This means they may have found a way to cure people who suffer from the stomach pain. Studies show that ten percent of the population will develop an ulcer at some time in their life. So a possible cure is good news for many people.

    Ulcers are wounds in the stomach that are similar to small cuts or tears¹. These wounds can harm the tissue in the stomach²，the pipe that carries the food to the stomach or parts of the small intestines. Fluids in the stomach then increase the pain of an ulcer. How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach³. This pain often is called heartburn. It usually happens before eating or during the night. It causes some people to lose their desire to eat, or they are unable to keep food in their stomachs. Doctors believed that ulcers were caused by unusually strong stomach fluids, which damaged stomach tissue. Now they have discovered that most ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or H Pilorie. H Pilorie bacteria are what make stomach produce extra stomach fluid. Doctors found that they can kill the bacteria with medicines called antibiotics. Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs. They also believe curing ulcers will reduce the number of people who develop stomach cancer. The number of people with stomach cancer is very high in Japan, Southeast Asia and parts ofAfrica.

    Doctors say a person is more likely to get an ulcer if someone in his or her family has had one. In fact a person with the family history of ulcers is three times more likely to get one than other people. There are ways people can protect themselves from developing an ulcer. Doctors say it is more important to reduce the amount of strong fluids in the stomach. To do this, doctors say, people should not smoke cigarettes or drink alcohol. And they say people should reduce tension in their lives.

词汇：

ulcer /"ʌlsə(r)/ n.溃疡
heartburn /"hɑ:tbɜ:n/ n.胃灼热,烧心
tear /teə(r)/ n.裂缝,破绽,裂口
antibiotic /ˌæntibaɪˈɒtɪk/ n. 抗生素
intestine /ɪnˈtestɪn/ n. 肠

注释：

1.    small cuts or tears :小割伤或撕伤
2.    the tissue in the stomach：胃内组织
3.    feel a burning pain in their chest or stomach：感到心窝或胃部有烧灼痛感

Doctors have discovered a cause of ulcers after many years of experiments

A:Right B:Wrong C:Not mentioned

Natural gas was discovered in Britain in the（）

A UFO is a general term used for any "unidentified flying object" in the sky which cannot be (1) by an observer. Most UFOs remain (2) as so even after they have been investigated. The UFO phenomenon dates back (3) the beginning of recorded history, but UFO sightings have (4) increased since the mid 1940s.
From UFO videos to UFO pictures, stories and other real life (5) , thousands of people from all (6) of life claim to have seen these mysterious aerial phantoms. Many UFO sightings turn out to be nothing at all, mere airplanes, meteors or comets; (7) many sightings have gone unsolved for decades or even centuries.
The term "flying saucer" came into (8) use after American Kenneth Arnold claimed a UFO sighting on June 24, 1947 near Mount Rainier, Washington. Arnold claimed to have seen as many as nine brightly lit objects soaring (9) the sky (10) he estimated as up to 1,200 miles per hour. Arnold also reported that the objects appeared to have a disc or "saucer" (11) . (12) final conclusion has ever been reached in the case.
One of the most famous LIFO incidents to date also occurred in 1947 in Roswell, New Mexico. (13) unidentified debris was recovered from the (14) of a Roswell ranch, the Roswell Army Airfield (15) a statement saying that a "flying disk" had been discovered. The airfield (16) the statement just hours later, claiming it was just a weather balloon. This sparked (17) and nation-wide rumors of an alleged government (18) of an alien LIFO that had crashed in the New Mexico desert. No (19) proof has been produced to this day to (20) that theory.

（1）（）

A:found B:discerned C:discovered D:decided

Passage Five
Hollywood (好莱坞) is a suburb of the city of Los Angeles (洛杉矶) in California. Until 1908 it was no more than a quiet village on the northern side of the city, but in that year William Selig, one of the first people to make films, set up a film-producing workshop (车间) in Los Angeles. By 1911 , David and William Horsely had set up another one in Hollywood, and at about the same time oil was discovered in the neighborhood. Thus Hollywood quickly became a big district given over to the film industry and to oil wells
The early makers of films found Hollywood a good place for their work because of its clear, sunny, rain-free weather, which allowed pictures to be taken all the year round. Also, it was known that every kind of scene needed for films, whether town, country, sea, desert or snow-capped mountains, could be found within the area of California. Today, when most films can be "shot" (拍摄) under cover by man made lighting, these advantages (优点) are not so important.
In spite of a drop in its importance, Hollywood remains a center of film production although now making more films for television than for the cinema.

Films could be taken all the year round in Hollywood because （）

A:of tile fine weather and varied scenery (景色) there B:there were snow-capped mountains and the sea C:oil was discovered in California D:it was in the suburbs

Passage Five
Hollywood (好莱坞) Is a suburb of the city of Los Angeles (洛杉矶) in California. Until 1908 it was no more than a quiet village on the northern side of the city, but in that year William Selig, one of the first people to make films, set up a film-producing workshop (车间) in Los Angeles. By 1911, David and William Horsely had set up another one in Hollywood, and at about the same time oil was discovered in the neighborhood. Thus Hollywood quickly became a big district given over to the film industry and to oil wells (没井).
The early makers of films found Hollywood a good place for their work because of its clear, sunny, rain-free weather, which allowed pictures to be taken all the year round. Also, it was known that every kind of scene needed for films, whether town, country, sea, desert or snow-capped mountains, could be found within the area of California. Today, when most films can be "shot" (拍摄) under cover by man made lighting, these advantages (优点) are not so important.
In spite of a drop in its importance, Hollywood remains a center of film production although now making more films for television than for the cinema.

Films could be taken all the year round in Hollywood because（）

A:of the fine weather and varied scenery (景色) there B:there were snow-capped mountains and the sea C:oil was discovered in California D:it was in the suburbs

Passage One
Wild and farm birds often get a flu virus. Yet they usually are able to carry the virus without getting sick.
In 1997 six people in Hong Kong died of a different kind of bird flu virus. It is called the h-five-n-one virus. The Hong Kong government quickly ordered the killing of all farm birds there. That stopped the spread of h-five-n-one to people in Hong Kong.
Yet the virus bad already spread to other parts of Asia. It was found in 16 countries between 2003 and 2006.
The h-five-n-one virus first appeared in Africa. This raised many concerns about the spread of the disease. Scientists do not know exactly how bird flu came to Africa. At first, they thought wild birds were to blame. Now, officials with the U. N. Food and Agriculture Organization believe the main cause is trade in farm birds.
The bird flu virus is found in the waste and liquids of infected birds. The virus spreads when healthy birds or people touch sick birds or nay infected (被感染了的) part of sick birds. Right now, the virus is not spreading among person to person. But the virus could change and start spreading among people. Health officials believe that it is even more possible now that bird flu has spread in Africa, and that is why international organizations are working so hard to stop its spread.
The best way to stop the spread of bird flu is to kill all the chickens in an area where bird flu has been discovered. More than 145 000 chickens have been killed in Nigeria since bird fin was first found one year ago.

The best solution to the problem of the spread of bird flu is（）

A:to kill all the birds in an area where bird flu has been discovered B:to kill all the chickens C:to kill all the birds D:to kill all the chickens when bird flu has been discovered

Magellan Straits was discovered ______.

A:in August, 1519 B:in October, 1520 C:in November, 1520 D:not mentioned

In the last 500 years, nothing about people-not their clothes, ideas, or languages-has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree by South American Indians. The Spanish introduced it to the rest of the world during the 1500’s. And although it was very expensive, it quickly became fashionable. In London shops where chocolate drinks were served became important meeting places. Some still exist today.
The potato is also from the New World. Around 1600, the Spanish brought it from Peru to Europe, where it soon was widely grown. Ireland became so dependent on it that thousands of Irish people starved when the crop failed during the "Potato Famine" of 1845-1846, and thousands more were forced to emigrate to America.
There are many other foods that have traveled from south America to the Old World. But some others went in the opposite direction. Brazil is now the world’s largest grower of coffee, and coffee is an important crop in Colombia and other South American countries. But it is native to Ethiopia. It was first made into a drink by Arabs during the 1400’s.
According to an Arabic legend, coffee was discovered when a goatherd named Kaldi noticed that his goats were attracted to the red berries on a coffee bush. He tried one and experienced the "wide-awake" feeling that one-third of the world’s population now starts the day with.
The Arabic legend is used to prove that ______.

A:coffee was first discovered by Kaldi. B:coffee was first discovered by Kaldi’s goats. C:coffee was first discovered in south American countries. D:coffee drinks were first made by Arabs.

第三篇 Alaska 　　In 1959 Americans welcomed Alaska into the Union as the 49th state, symbolizing a change of attitude from that held in 1867, when the peninsula(半岛) was purchased from Russia. Then, most Americans had little interest in 1 ,500 ,000 square kilometers “of icebergs and polar bears”一beyond Canada’s western borders, far from the settled areas of the United States. 　　In those sections of the state which lie above the Arctic Circle, Alaska still is a land of icebergs and polar bears. Ice masses lie buried in the earth. From early May until early August, the midnight sun never sets on this flat, treeless region, but the sun cannot melt the icy soil more than two-thirds of a meter down. 　　Alaska is America’s largest state, but only about 325,000 people live there. According to estimates, 800,000 hectares of its land area are fit for plowing but only about 640,000 hectares are being cultivated. 　　Arctic Alaska has been the home of Eskimos for countless centuries. It is believed that the Eskimos moved there from Mongolia or Siberia, probably crossing Bering Strait, named for Vitus Bering, the Danish sea captain who discovered Alaska on his voyage for Russia in 1741.The Eskimos are the state’s earliest known inhabitants. Russian fur traders established settlements but, by the time Alaska was sold to the United States, most of the traders had departed. 　　In 1896 gold was discovered near the Klondike River in Canada just across the Alaskan border. Thousands of Americans rushed to the region on their way to Klondike; some never returned. Alaska was never completely cut off again, although even today transportation is a major problem. There are only two motor routes from the US mainland, and within the state, every town has its own airfield. Planes fly passengers, mail and freight to the most distant villages. 　　The gold that changed life so suddenly for Alaska was soon ended, and although many stories about mining camps have become part of American literature, the gold from Alaskan earth contributed less to economic progress than the fish from Alaskan waters. The fish caught in a single year range in value from $80 million to $90 million. Fur-bearing animals are plentiful in the forests and streams, and valuable fur seals inhabit the waters. After fishing, the state’s chief industry is lumber and the production of wood pulp. In recent years, Alaska’s single most important resource has become oil. The state also has large deposits of coal, copper, gold and other minerals. What is true about the Eskimos?

A:They are the natives of Alaska. B:They moved to Alaska from Denmark. C:They had a long fight with the Russia traders. D:They discovered gold near the Klondike River.