单项选择题

A．To carry information that would help determine elevation.
B．To provide accurate weather reports.
C．To relay information from scientists around the world.
D．To indicate which route the mountain climbers should take.
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单项选择题
A．They want to be more powerful than other American minorities.B．They want to gain more economic benefits.C．They want to be united into a new political force.D．They want to be absorbed into American culture.
A．They want to be more powerful than other American minorities.
B．They want to gain more economic benefits.
C．They want to be united into a new political force.
D．They want to be absorbed into American culture.
单项选择题
A．She rarely makes mistakes.B．Her boss is hard to work with.C．She always tells others what she thinks.D．She regretted having replaced the secretary.
A．She rarely makes mistakes.
B．Her boss is hard to work with.
C．She always tells others what she thinks.
D．She regretted having replaced the secretary.
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