对焊接设备的一般安装，修理和检查，只要焊工有电气知识，可以进行拆修。（）
参考答案：错
按要求改写句子。
1. Tom is playing the gitar. (就画线部分提问)
_____ _______Tom_______?
2. My grandfather is reading the newspaper. (改为否定句)
My grandfather______ ______ the newspaper.
3. She is visiting Hong Kong. (改为一般疑问句)
_______ she _____Hong Kong?
4. They run every morning. (用now改写句子) They____ _____now.
5. Are they playing basketball？(作否定回答) ________, they_________.
在池窑操作过程中必须达到五方面稳定，是指哪五方面？
