摘要：25．At minus 130°C, a living cell can for a thousand years. A．preserve B．be preserved C．be preserving D．have been preserved
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At minus 130°C, a living cell can be ________ for a thousand years.
[ ]
A. spared
B. protected
C. preserved
D. developed
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B. protected
C. preserved
D. developed
At minus 130 C, a living cell can be _____ for a thousand years.
[ ]
A. spared
B. protected
C. preserved
D. developed
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B. protected
C. preserved
D. developed
At minus 130°C, a living cell can for a thousand years.
A. preserve B. be preserved C. be preserving D. have been preserved
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