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
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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
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）

Gilbert Elena Gilbert是什么意思? yvonne gilbert怎么读 gilbert怎么读 Dan Gilbert是谁 Gilbert syndrome是什么意思 Gilbert _____ electricity,and Edison _____ the electric light.A.discovered；invented B.discovered；discovered C.invented；discovered D.invented；invented 说明原因 gilbert 有特殊的含义吗 Tarawa Gilbert Islands Kiribati Repiblic 各是什么意思 Tarawa Gilbert Islands Kiribati Repiblic 各是什么意思 Mr Gilbert said he was inquiring about a certain patient,a Mr John Gilbert 发明电的Gilbert的汉语名字是什么 Gilbert是什么车?记得Gilbert是以前一个欧洲的汽车品牌,详细介绍一下...我从GT4里看到的. DNA的化学法（Gilbert法）测序步骤,注意不是SANGERrt Marcus gilbert个人简介<情系一线〉（A hazard of hearts)中的男主角. 这个地址翻译成中文是什么意思吗?580S.Gilbert Rd.#202 What did Dr.Millington refuse to tell his patient,John Gilbert?明天就用! %>_____