问题 更新时间2023/4/3 12:59:00 Copper as well as most metals _____ of electricity, but wood is a poor one.A. is a good conductorB. are good conductors C. is a good insulatorD. are good insulators 答案 登录 注册 答案：A 出自：江开 >> 河北建筑工程学院-建筑学-大学英语1
问题 更新时间2023/4/3 12:59:00
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问题 更新时间2023/4/3 12:59:00
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