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  • 1. (2024四下·颍州期中) 快乐连一连。

    1. (1) 将下列用电器与其对应的电源和作用用线连起来。

                                                                  闹钟                                                       烧水

      电厂                                                     洗衣机                                                   远程控制设备

                                                                 电饭煲                                                    定时

      电池                                                    电热水壶                                                 煮饭

                                                                 遥控器                                                    洗衣服

    2. (2) 书本

      陶瓷杯                                       导 体

      石墨

      铁勺                                          绝缘体

      橡胶轮胎

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