11. After a period of prosperity （1920 ~ 1929）， government involvement in the economy increased _________.
A. during the Great Depression
B. after the WW I
C. after the WW II
D. during the Cold War
12. The United States grows nearly _____ of the world's grain and supplies a half of all the exports of grain in the world.
A. one third
B. one fourth
C. one sixth
D. one seventh
13. Through the Department of _____， the President is responsible for the protection of Americans abroad and of foreign nationals in the United States.
A. State
B. Justice
C. Labor
D. Defense
14. The community college embodies ________ belief that an education should be practical as well as liberal.
A. George Washington's
B. Thomas Jefferson's
C. Abraham Lincoln's
D. Franklin Roosevelt's
15. The exploratory voyage made by ______ brought to a close to an era of European discovery of Australia that had lasted nearly two hundred years.
A. Arthur Philip
B. Mathew Flinders
C. Port Jackson
D. Peter Lalor
16. After the outbreak of the First World War， Australia followed Britain's lead and declared war on ________.
A. Japan
B. Turkey
C. Italy
D. Germany
17. The European discovery of Canada can be traced back to the end of the ______ century.
A. 14th
B. 15th
C. 16th
D. 17th
18. Northern provinces and territories tale up _____ of Canada.
A. half
B. two thirds
C. one third
D. four fifths
19. In New Zealand， hydroelectricity from rivers and dams supplies ________ of total energy.
A. 15%
B. 16%
C. 17%
D. 18%
20. In the United States， Halloween is night - time ______ holiday.
A. children's
B. men's
C. women's
D. old men's
