A.because a French engineer was invited to design it B.because President George Washington liked to live in it C.because the British invaders lived in it in 1812-1814 D.because it was to be the nation’ s capital city
A.
In Washington D. C. , 1600 Pennsylvania Avenue is a very special address. It is the address of the White House, the home of the president of the United States.
B.
Originally the White House was gray and was called the presidential Palace. It was built from 1792 to 1800. At this time, the city of Washington itself was being built It was to be the nation’s new capital city. George Washington, the first president, and Pierre Charles L’ Enfant, a French engineer, chose the place for the new city. L’ Enfant then planned the city. The president’s home was an important part of the plan.
C.
A contest was held to pick a design for the president’s home. An architect named James Hogan won. He designed a large three-story house of gray stone.
D.
President Washington never lived in the Presidential Palace. The first president to live there was John Adams, the second president of the United States, and his wife Mrs. Adams did not really like her new house. In her letters, she often complained about the cold. Fifty fireplaces were not enough to keep the house warm!
E.
In 1812 the United States and Britain went to war. In 1814 the British invaded Washington. They burned many buildings, including the Presidential Palace.
F.
After the war James Hoban, the original architect, partially rebuilt the president’s home. To cover the marks of the fire, the building was painted white. Before long it became known as the White House.
G.
The White House is one of the most popular tourist attractions in the United States. Every year more than 1.5 million visitors go through the five rooms that are open to the public.
Man finds living together with his own species(物种)difficult enough and living together with other species almost impossible. Our usual solution is to kill off anything that get in our way. Even on those rare occasions when we do enter into a relationship with another species, it is heavily biased(带有倾向)in our favor. The other species benefits only when it suits our own interests. Our attempts to communicate with another species are concerned mainly with giving orders in our own language and having them obeyed Probably our best attempt has been the whistle language that is used in the shepherd-sheepdog relationship. This is a system that is natural to neither species, but one that both can understand. Its only fault lies in fact that the bias is still there--the dog cannot whistle for the man.
B.
But now comes news of a piece of research that promises, for the first time, to open up two-way communication between man and another species.
C.
At the University of Nevada in the western United States, animated(活跃的)conversations are being held with a young female chimpanzee (黑猩猩)called Washoe. Allen and Beatrice Gardener have succeeded in doing this because they have used an entirely new approach, an approach based on the natural abilities of the chimpanzee. Past attempts to communicate with chimpanzees have failed because the researchers tried to make their animals use a vocal language.