查找直流接地错误的是：（）
A、必须在二人在场，人拉路，一人监视仪表
B、断切重要回路时，断合时间不超过3秒
C、可以用灯泡寻找接地故障点
参考答案：C
There were many more people who got injured in the big fire than ____.
A．was reported
B．it was reported
C．were reported
D．they were reported
中低产田改造和山区小流域农业生态工程年度单个项目相对连片治理面积一般不低于（）亩。
