[单项选择]According to the passage, today’s ultralight airplanes ______.


A. are inexpensive but difficult to fly
B. are more like go-karts than like hang gliders
C. cannot climb as fast or as high as hang gliders
D. are not too different from the earlier aircraft

[单项选择]According to the passage, today’s ultralight airplanes ______.


A. are inexpensive but difficult to fly
B. are more like go-karts than like hang gliders
C. cannot climb as fast or as high as hang gliders
D. are not too different from the earlier aircraft

[单项选择]According to the passage, today's successful firms, unlike successful firms in the past, may earn the greatest profits by


A. investing in research to produce cheaper versions of existing technology
B. being the first to market a competing technology
C. adapting rapidly to a technological standard previously set by a competing firm
D. emphasizing the development of methods for the mass production and distribution of a new technology

[单项选择]According to the passage, today's women ______.


A. want to achieve a balance between her loyalties to work and family
B. are stronger advocates of gender equality than the older generation
C. do not want to sacrifice anything at all for. the desired liberation
D. are getting no nearer to achieving their ambition

[单项选择]

Passage Four
Today the game reserves of East Africa are facing a number of threats. Although they earn considerable "revenue" by attracting tourists, they take up land which is increasingly sought by the local people. While these reserves feed and protect animals, they are in danger of turning into "barren" areas or deserts. Trees, shrubs and grass are gradually being eaten by grazing herds.
Another problem is to be found in the changing attitudes of the animals themselves. Many of them are losing their hereditary fear of man. In this way they may become a danger to visitors and thus to themselves. Attacks on vehicles are beginning to increase, and it is possible that the problem will become serious in a few years’ time.
The problem of shortage of land is not simple one. As the population increases, more and more people look hungrily at the land set aside for game reserves. They claim that a government’s first duty is
A. Vast.
B. Useless.
C. Crowded.
D. Wid

[单项选择]

Passage Three
Today the official language of the United States and most of Canada is English. However, French almost became the official language because of a war.
The French and Indian War was fought between 1754 and 1763. The name of this war is not accurate because the war was actually between England and France. The Indians fought on the side of the French.
France and England were trying to gain control of North America. France held Canada, and England held part of what is now the United States. However, France tried to expand its land by moving southward into New York, Pennsylvania, Ohio, and Virginia. When the French built a fort on the Ohio River, the residents in Virginia sent George Washington to attack the fort in 1754. How ever, the French defeated Washington.
The French, aided by the Indians, outsmarted the English and won many early battles. Later, the British began to do well against the French. In the final battle in Quebec, C
A. The French and Indian War
B. The English language
C. Washington' s army
D. The French and British War