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

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

[单项选择]Earthquakes in New Zealand do not cause many deaths because of _______.
A. the dormant volcanoes
B. the concrete building materials
C. the small population in many areas
D. the mild magnitude of the earthquakes

[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]In America, people do most things by themselves because ______.

[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]

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