消除静电的方法有哪些？
参考答案：
（1）静电接地
（2）增湿
（3）加抗静电添加剂
（4）静电中和器
（5）工艺控制法
用所给动词的适当形式填空。
1. I prefer (be) in the countryside for a relaxation.
2. Malls are usually very_____ (crowd) on the weekends.
3. Let's go and see what is __ (happen) there.
4. I spent a lot of money_____(buy) CDs last Sunday with my brother.
5. There is a bank on the __ (two) store.You can take the escalator to it.
WLAN覆盖方式主要有哪些？
