Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因

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Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因

Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因
Gilbert _____ electricity,and Edison _____ the electric light.
A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因

Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因
A.discovered；invented
不明白的再问哟,请及时采纳,多谢!
.discovere发现已有的东西（存在的）
invent发明新东西（不存在的）

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