题目

This summer, several provinces in the south of China was struck by floods, from ______effects the people are still suffering. A. what                        B. which         C. whose               D. that    答案：C 解析: 略今年夏天，南方有一些城市气温达到了40℃，人们同时使用很多台空调时，常因电流过大，致使________熔断，产生这种故障的原因是用电器的________过大．