The passage indicates that In Dr. Rose’s test, frogs with cut-off legs

admin2009-06-15  19

问题 The passage indicates that
In Dr. Rose’s test, frogs with cut-off legs

选项 A、didn’t survive.
B、began to grow new limbs.
C、bled freely from their open wounds.
D、started to grow tails.

答案B

解析
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