31. ____ visit to China ended twenty-three years of hostility and led to the establishment of diplomatic relations in January ____.

　　A. President Nixon’s; 1972

　　B. Jimmy Carter’s; 1978

　　C. President Nixon’s; 1979

　　D. George Bush’s; 1989

　　32. After long and difficult negotiations in Paris, the U. S. and ____ signed a cease-fire agreement on January 27, 1973.

　　A. South Vietnam

　　B. North Vietnam

　　C. the Soviet Union

　　D. Korea

　　33. Which of the following is NOT true of U.S. foreign trade?

　　A. Canada is the largest single source of goods imported by the United States.

　　B. Outside of North America, Asia is the largest source of imports.

　　C. The U.S. share of world trade has decreased in recent years.

　　D. Whenever the American economy is in trouble, the economy of other countries is affected.

　　34. When the delegates met at Philadelphia in 1787, their task was ____.

　　A. to write a new constitution

　　B. to adopt the Articles of Confederation

　　C. to establish a new form of government

　　D. to revise the Articles of Confederation

　　35. Abraham Lincoln was elected President as the candidate of ____ in 1860.

　　A. the Democratic Party

　　B. the Republican Party

　　C. the Whig Party

　　D. the Conservative Party

　　36. According to the U.S. Constitution, education is mainly a function of ____.

　　A. the federal government

　　B. the city government

　　C. the county government

　　D. the state government

　　37. Which of the following is NOT true about the reasons for the rapid growth of community colleges?

　　A. Their open admission policies

　　B. Their cheap tuition and fees

　　C. Their fixed curriculum structures

　　D. Their convenient locations

　　38. The Waste Land, written by ____, is considered the manifesto of the “Lost Generation”.

　　A. T. S. Eliot

　　B. Walt Whitman

　　C. Emily Dickinson

　　D. Theodore Dreiser

　　39. In the 1920s, Black literature developed into an upsurge, which has come to be known as ____.

　　A. the Literature Renaissance

　　B. the Harlem Renaissance

　　C. the Literature Revival

　　D. the “knickerbockers era” of American literature

　　40. Easter Sunday is the most important religious holiday for commemorating ____.

　　A. the death of Jesus Christ

　　B. the birth of Jesus Christ

　　C. the crucifixion of Jesus Christ

　　D. the resurrection of Jesus Christ