Switch On, Switch Off-这本书不错哟,强烈推荐!


Switch On, Switch Off

作者 (Author) Berger, Melvin
等级 (MML) MM LEVEL: 3.3
年级 (IL) Lower Grades (LG K-3)
字数 (Words) 1013
类型 (Fiction) Non-Fiction
书号 (ISBN)
系列 (Series) Let's-Read-and-Find-Out Science: Stage 2;
Explains how electricity is produced and transmitted, how to create electricity using an electrical wire and a magnet, how generators supply electricity for cities, and how electricity works in homes.

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