问题
问答题 简答题
简述试水膏的作用、原理？
答案
参考答案：
作用：测量轻质油罐罐内油品的水尺。原理：利用试水膏遇油不变色遇水变红的特性。
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简述试水膏的作用、原理？
参考答案：
作用：测量轻质油罐罐内油品的水尺。原理：利用试水膏遇油不变色遇水变红的特性。
| 从对话后的选项中选择适当的选项补全对话。 | |
| A: Do you like Beijing, Jenny? B: 1_______ Beijing is one of the most beautiful cities in China. A: Yes, and I'm sure Beijing will be more beautiful in 2008. B: I agree. It will be one of the most beautiful cities in the world. A: I predict that there will be more trees and less pollution. B: Yes. And there will be more places for sports. A: 2_______ B: Beijing will be more international. 3_______ A: I want to be a volunteer of the Beijing 2008 Olympic Games. B: Me, too. That will be very interesting.
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