单项选择题

A．Ten days.
B．Eight days.
C．Fifteen days.
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单项选择题
We can infer that______.
A．after this space flight, Spaceship One will get the $10m Ansari X Prize
B．it is dangenms for a spaceship to reenter the earth atmosphere
C．Terence will be very safe on the flight
D．Spaceship One is just an ordinary plane
单项选择题
Terence is______.
A．a real bear living in England
B．an experienced astronaut
C．an air force officer
D．a toy bear
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