单项选择题

The primary purpose of the passage is to ______.

A．refute a common misconception
B．provide support for a hypothesis
C．suggest a solution to a dilemma
D．reconcile opposing viewpoints
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单项选择题
It can be inferred from the passage about Native American inhabitants of Ungava Bay that ______.
A．they were almost all killed by the 1952 epidemic
B．they were defenseless against measles
C．they were the last native people to be struck by a virgin-soil epidemic
D．they did not come into frequent contact with white Americans until the twentieth century
单项选择题
According to the passage, the British colonists were unlike the Spanish colonists in that ______.
A．the British colonists collected tribute from the native population
B．the British colonists kept records from a very early date
C．the British colonists drove Native Americans off the land
D．the British colonists were unable to provide medical care against epidemic disease
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