发电机高速运转时，突然失去负载，端电压会急剧上升，击穿二极管和电子元件，因此要求发电机和电瓶之间的接线必须牢靠。
参考答案：对
下面成语中书写无误的一项是（ ）
A．无精打彩寒风凛洌长嘘短叹断壁残源
B．义愤填膺杯盘狼籍苍海桑田随声附合
C．披荆斩棘 束手无策吹毛求疵奄奄一息
D．舔犊之情粗制烂造锦绣前程冥思暇想
Questions 19-22
A．It is awful.
B．It is one of his favorite kinds.
C．It is of a much greater variety.
D．It is better than he expected.
