[单项选择]What's the population of the United States according to the passage


A. 7,000,000.
B. 14,000,000.
C. Twice of the young persons under twenty-five.
D. Not mentioned.

[单项选择]What's the population of the United States according to the passage
A. 7,000,000.
B. 14,000,000.
C. Twice of the young persons under twenty-five.
D. Not mentioned.

[单项选择]

Relations between the United States and Colombia suffered for many years because of an incident involving the Republic of Panama. By the en& of the Spanish-American War, Americans felt that an easier and faster: way was needed to ,get ships, from the Atlantic Ocean to the Pacific Ocean. Some people in the United States first believed that a canal across Nicaragua was the answer. However, President Theodore Roosevelt decided that a canal through Panama would be a better choice, In order to build the canal, the United States had to negotiate a treaty with Colombia, which at that time controlled Panama. Roosevelt offered Colombia, $10 million plus $ 250,000 a year for 99 years for a six-miles-wide strip of land across Panama. Colombia rejected the United States’offer. This angered President Roosevelt, and negotiations with Colombia, ended. In 1903，a revolution broke out in Panama. United States ships were sent by President: Roosevelt to protect the Panamanian revolutionari
A. to learn to accept something
B. on conditions that one/somebody else decides
C. to have a bad relationship
D. to get along with somebody

[单项选择]What is now the United States might have been divided into several countries ______ the South ______ the Civil War.


A. had, won
B. if, won
C. should, win
D. were, to win

[单项选择]What aspect of life in the United States does the passage mainly discuss


A. The transition from an agricultural to an industrial economy.
B. The inventions that transformed life in the nineteenth century.
C. The problems associated with the earliest factories.
D. The difficulty of farm life in the nineteenth century,

[单项选择]Nowadays the United States undertakes the global security mainly because_______.


A. Britain insisted in transferring this important responsibility to it
B. it could gain some important advantages over any other countries
C. Germany has a good relation with it as an economic giant
D. it wants to have a superiority to both Japan and Russia

[单项选择]Researchers in the United States carried out the study with the help of _______.


A. young people
B. some old people
C. men doctors
D. woman doctors

[单项选择]What is the meaning of "For the United States, the big news won' t be an abundance of new faces" in Line 1 of Paragraph 3

[单项选择]How many states are there in the United States
A. Thirteen.
B. Fifty.
C. Fifty one.
D. Sixty.

[单项选择]After 1850,various states in the United States began to pass compulsory school attendance laws.
A. harsh
B. diversified
C. mandatory
D. complicated

[单项选择]The United States bought Louisiana from


A. France
B. Spain
C. Britain
D. Mexico

[单项选择]In the United States community colleges offer
A. D．B. or B.S.degrees