根据句意及汉语提示完成句子。

1. In fact, most ______  (中等的) schools are in towns.

2. Tom is _____ (在场的),  he is not             (缺席).

3. I'll make a _____ (演讲) tomorrow.

4. The plane landed _____ (安全地) at the airport.

5. _____  (幸运地) the fire was discovered soon after it had started.

6.  Few teenagers in our city use _____ (毒品).

7. _____ (田径运动) include many kinds of sports.

8. She has joined the film _____ (社团).

接地引下线导通性测试工作目的，说法不正确的是（）。

A.检查有效接地系统电力设备接地引下线与接地网连接情况

B.减少电气设备在运行中存在不安全隐患

C.仅为了测试地下引线的电阻值的大小

D.为处理变电站主地网中不安全隐患提供参考