[单项选择]The Rocky Mountain goat of North America is not a tree goat _______ a goat antelope.


A. and
B. but
C. any
D. yet

[单项选择]North America borders both the North ______ and the North ______.
A. Arctic Ocean, Indian Ocean
B. Atlantic Ocean, Pacific Ocean
C. Atlantic Ocean, Arctic Ocean
D. Indian Ocean, Pacific Ocean

[单项选择]Which is ______, North America or South America
A. biggest
B. the biggest
C. more biggest
D. bigger

[单项选择]Do earthquakes （） often in North America
A. break
B. break out
C. happen to
D. occur

[单项选择]

Reaching new peaks of popularity in North America is Iceberg Water, which is harvested from icebergs off the coast of Newfoundland, Canada.   
Arthur von Wiesenberger, who carries the title Water Master, is one of the few water critics in North America. As a boy, he spent time in the larger cities of Italy, France and Switzerland, where bottled water is consumed daily. Even then, he kept a water journal, noting the brands he liked best. “My dog could tell the difference between bottled and tap water,” He says.   
But is plain tap water all that bad Not at all. In fact, New York’s municipal water for more than a century was called the champagne of tap water and until recently considered among the best in the world in terms of both taste and purity. Similarly, a magazine in England found that tap water from the Thames River tasted better than several leading brands of bottled water that were 400 times more expensive.&
A. It is a kind of iced water.
B. It is just plain tap water.
C. It is a kind of bottled water.
D. It is a kind of mineral water.

[单项选择]We are planning to emigrate to North America sometime ______ the next couple of years.


A. for
B. from
C. among
D. within

[单项选择]Before 1500 North America was inhabited by more than 300 cultural groups , each with different customs, social structures, world views, and languages. Such diversity the existence of a single Native American culture.
A. complements
B. implies
C. reiterates
D. argues against

[单项选择]

Black people were first taken to North America as slaves in the seventeenth century. Sold by Arab or Mrican slave-traders in West Mrica, they were on the tobacco, sugar and cotton plantations.
Towards the end of the eighteenth century, more and more people began to condemn (谴责) slavery, but it was not until after the bitter Civil war-between the Northern and Southern states of America that is was abolished there. In 1865 the 13th Amendment to the Constitution gave blacks the right to live and work where they liked. Then ,in 1867, came further legislation (立法)guaranteeing citizenship and other civil rights.
However, there were setbacks almost immediately. The Supreme Court declared the civil rights legislation of 1867 unconstitutional and a number of new segregation (种族隔离)laws were enacted. Consequently ,as more and more blacks deserted the rural areas in search of work in the cities, they found themselves forced to .live in areas with the worst housing and
A. got the equal educational rights.
B. got the equal opportunity in employment.
C. were entitled to great political power.
D. all of the above.