题目

如图所示，手压电筒都有一接柄，通过塑料齿轮带动铜丝线圈内磁性飞轮高速旋转，实现切割磁感线，产生感应电流。因此它是利用_________原理。把_________能转化为电能。  答案：电磁感应  ，    机械解析:手压电筒都有一接柄，通过塑料齿轮带动铜丝线圈内磁性飞轮高速旋转，实现切割磁感线，产生感应电流。因此它是利用电磁感应原理。把机械能转化为电能。 He looked ________ at the news that his favorite team had lost the game and felt ________ that Martin should have taken part in it.A．sad；strong B．sadly；strong C．sad；strongly D．sadly；strongly