单项选择题
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A.A place for making astronomical observations.
B.An instrument used for observing stars.
C.A trait of measurement.
D.The North Star.
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单项选择题
A.It held dirt well.B.It was long-lasting.C.It symbolized wealth.D.It was inexpensive.
A.It held dirt well.
B.It was long-lasting.
C.It symbolized wealth.
D.It was inexpensive.
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What is the decision made by Michael Criffin
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