单项选择题

A. Press the "process" key.
B. Insert his card.
C. Memorize his personal number.
D. Insert some coins.
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单项选择题
A. Latin America.B. North America.C. South America.D. Central America.

A. Latin America.
B. North America.
C. South America.
D. Central America.
单项选择题
A. Coastal isolation.B. Resistant bark and damp climate.C. Absence of natural enemies.D. Cool weather and daily fog.

A. Coastal isolation.
B. Resistant bark and damp climate.
C. Absence of natural enemies.
D. Cool weather and daily fog.
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