单项选择题

This passage implies that_____.

A．horizontal faults are more dangerous than vertical faults
B．Vertical faults are more dangerous than horizontal faults
C．Earthquakes occur only around fault areas
D．California will break into pieces by an eventual earthquake

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单项选择题

The main idea of the article is about_____.

A．defense planning after the Cold War
B．defense planners' problems
C．small conflicts in the world
D．potential warfare

单项选择题

According to the passage, which of the following statement is NOT true

A．AIM chiefly organized the 1972 "Trail of Broken Treaties."
B．The next major AIM action was the 1973 occupation of the town of Wounded Knee, the site of a bad-reputation massacre of Native Americans by U.S. troops in 1890.
C．AIM began to splinter apart during 1970s.
D．The 1990s have seen a severe revival of the organization.