53.The new deal:it refers to a policy which was made by franklin-D-Roosevelt in 1932,according to the deal ,in the country ,many public projects were made to increase the employment;at brod ,American strengthened the old market and found new market.

54.Chinatown：the area of a city where many chinese people live and there are chinese shops and restaurants.

55.Veto：disapprove and refuse to sign.

56.The second continental congress：It was held in 1715 in philadelphia ,the leaders in the congress agreed to sent army around boston and made George Washington as the commander.

57.separation of powers:it refers to the principle that the national goverment is split into three branches:legislative,executive and judicial.

58.the federal system:it refers to a system of goverment in which power is divided by a written constitution between a central goverment and regional,or subdivisional governments.

59.Hollywood:it refers to the part of Los Angeles where the film industry is based.

60.checks and balances:It reafers to a system of goverment in which power is divided by a written constitution between a central goverment and regional,or subdivisional governments.

61.the Contederate states of America: After the anti-slavery

president Lincoln was elected in 1860,the seven Southern states,South Carolina,Georgia,Alahama,Mississippi,Florida,Louisiana and Texas sent men to a meeting in Montgomery to deaw up a constitution and set up a new country called“the Confederate Union of America.”Later North Carolina,Arkansas,Virginia and Tennessee joined the Confederacy.They wanted to keep the slave system in the Southern states which led to the

Civil War at last.62.the Great Depression:It happened 1929-1933.In 1929,the New York Stock Market failed,many factories closed down,many workers lost job,many products found no markets.Mamy extra goods were destroyed.

63.UPI:the United Press International,one of the major wire services in the U.S.A.

64.VOA:Voice of America，the most famous of the radio stations of the U.S.A. for the expansion of propaganda to foreign countries .It is in Washington,and established in 1924 .Now it has 16 broadingcast stations ,sending news to the whole world in 41 languages .65.semester system ： divides the year into two equal terms about 16 weeks.66.Melting pot(大熔炉):It meant that as immigrants from different regions and cultures came to live in the United States,their old ways of life melt away and they became part of the American culture.

67.winner_take_all principle:“Winner-take-all” principle: This is a kind of principle in American Presidential election. The voters of a state have to choose between a Democratic list and a Republican list. If the candidates of a party for “eletors” in a given state receive a majority of the total vote, then the party is entitled to have all the electoral votes for that state, even though a presidential receives only slightly more than electoral votes of that state.

68.capital hill:The heart of the United States, the United States, the symbol of American law execution here is the legislative power of the organization.

69.the wall street:It is an English-language international daily newspaper published in New York City with Asian and European editions. It has a worldwide daily circulation of more than 2 million, with approximately 931,000 paying online subscribers. It was the largest-circulation newspaper in the United States until November 2003, when it was surpassed by USA Today. Its