It can be inferred from the passage that the longer an eel is the
A、more beneficial it will be to science
B、more powerful its electrical charge will be
C、easier it will be to find
D、tougher it will be to eat
A、more beneficial it will be to science
B、more powerful its electrical charge will be
C、easier it will be to find
D、tougher it will be to eat
【参考答案及解析】
最后一段最后一句话说“电鳗发出的电流的强度大约和它身体的长度成正比”。
最后一段最后一句话说“电鳗发出的电流的强度大约和它身体的长度成正比”。