问题
填空题
根据定期操作规定要求，为了保证放火炬线路畅通，每周应（）一次。
答案
参考答案：试验放火炬阀门
搜题请搜索小程序“爱下问搜题”
根据定期操作规定要求，为了保证放火炬线路畅通，每周应（）一次。
参考答案：试验放火炬阀门
| 选词填空，每词只能用一次。 | |
it is 3____________. The plane is 4____________ than the train. So we decided to go there 5____________ plane. We are going to 6____________ home at 8: 00 in the morning, and we may 7____________ there at 10: 00. Then we take the 8____________ to the hotel. We want to 9____________ there for three days. I think we 10____________ a good time. |