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environmental
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单项选择题
A．She is fond of hiking.B．She is fond of mountains.C．She traveled to Colorado before.D．She will stay with her sister.
A．She is fond of hiking.
B．She is fond of mountains.
C．She traveled to Colorado before.
D．She will stay with her sister.
单项选择题
A．It shows it aims to develop the business value of space vehicle.B．It shows a good cooperation with Russia.C．It shows it feels like to send tourists to the space.D．It shows a reform in NASA.
A．It shows it aims to develop the business value of space vehicle.
B．It shows a good cooperation with Russia.
C．It shows it feels like to send tourists to the space.
D．It shows a reform in NASA.
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