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将other为another
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A．The rocket should be inexpensive to construct.B．The rocket is capable of lifting heavy spacecraft into orbit.C．The rocket should be easily controlled.D．The rocket should be inexpensive to operate.
A．The rocket should be inexpensive to construct.
B．The rocket is capable of lifting heavy spacecraft into orbit.
C．The rocket should be easily controlled.
D．The rocket should be inexpensive to operate.
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