6. Mount McKinley is the highest mountain in the USA and in North America. It was named afer William Mckinley, the 25th US president. A. 错误 B. 正确 ...

20. The history of the U.S.is generally agreed to have begun in the year of () A. 1606 B. 1607 C. 1608 D. 1609 ...

9. The river that serves as the dividing line between the South and the North of the United States is(). A. the Columbia River B. the Potomac River C. the Ohio River D. the Colorado River ...

19. There is a rather uneven distribution of the population in the U. S. A. There are four densely-populated areas in the country. A. 错误 B. 正确 ...

14. The 1787 Constitution consisted of 8 articles and later 26 amendments were added. A. 错误 B. 正确 ...

8. The Rocky Mountains form the most important river divide in the States, separating the system of the Mexican gulf and the system of the Pacific. A. 错误 B. 正确 ...

3. The basic causes of World War I lay in the political and economical rivalries of the great powers. A. 错误 B. 正确 ...

16. Washington is the headquarters of all the branches of the American federal system: (), the Supreme Court and the Presidency. A. the Senate B. The House of Representatives C. Congress D. the highest court ...

5. The Constitution allows the President to give reprieves and pardons in federal criminal cases. A. 错误 B. 正确 ...

17. ()is the spokesman of the US foreign policy. A. The State Secretary B. The President C. The Vice President D. The Chief of the White House Staff ...