单项选择题

A．They found ways to speed up the reproduction of bald eagles.
B．They developed new types of feed for baby bald eagles.
C．They explored new ways to hatch baby bald eagles.
D．They brought in bald eagles from Canada.
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单项选择题
A．In the 15th century.B．In the 6th century.C．In the 5th century.D．In the 16th century.
A．In the 15th century.
B．In the 6th century.
C．In the 5th century.
D．In the 16th century.
单项选择题
A．Take a trip to the Great Lakes.B．Take a trip to a nearby place.C．Work hard to earn her tuition.D．Save money and take a trip next year.
A．Take a trip to the Great Lakes.
B．Take a trip to a nearby place.
C．Work hard to earn her tuition.
D．Save money and take a trip next year.
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