问题
问答题 简答题
COD反映了什么？
答案
参考答案：
它反映了水受还原性物质污染的程度。
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COD反映了什么？
参考答案：
它反映了水受还原性物质污染的程度。
| 补全对话。 | |
B: Yes, it is. 1. A: It's about 7℃. We can't go out now. B: Can I turn on the air-conditioner (空调)？ A: 2. Are you from Shijiazhuang? B: Yes, I am. It's a very beautiful place. A: 3. B: It's often warm and windy in spring. It's always hot in summer. A: Is winter the coldest season (最冷的季节)？ B: Yes, 4. A: Well, what's the weather like tomorrow here? B: I think it's going to get better. A: 5. B: The radio says the temperature will stay about 13℃ and then the sun will come out later. |