单项选择题

A．How ancient philosophers measured the distance between heavenly bodies.
B．How ancient philosophers explained the cause of an eclipse of the Moon.
C．Why ancient philosophers thought the Earth was a sphere.
D．Why ancient philosophers thought the Earth moved around the Sun.
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单项选择题
A．The man can use her book whenever he likes.B．The man does not need the book.C．She will not lend her book to him.D．She already read the book.
A．The man can use her book whenever he likes.
B．The man does not need the book.
C．She will not lend her book to him.
D．She already read the book.
单项选择题
A．A term for a type of bank.B．A special place for pigs.C．A kind of iron.D．A theory about the economy of the Middle Ages.
A．A term for a type of bank.
B．A special place for pigs.
C．A kind of iron.
D．A theory about the economy of the Middle Ages.
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