问题
判断题
超前切断电路指超瓦斯煤尘引爆之前把电源切断
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
超前切断电路指超瓦斯煤尘引爆之前把电源切断
参考答案：对
| 单句改错。 ( )1. If I was you, I would go there on foot. A B C ( )2. There are million of students playing computer games online every day. A B C ( )3. My brother had a medicine exam and then he would be a doctor. A B C ( )4. Don't worried about it. We have lots of water. A B C ( )5. Can you tell me what to work on this machine? A B C | ______________ |