问题
填空题
通过化学学习，我们懂得了一些安全知识，请举出日常生活中常见的两个灭火事例，并说明其中的灭火原理.(灭火原理不要重复)
答案
熄灭酒精灯用灯帽盖灭 ；燃烧物与空气隔绝 ；房屋着火用水枪喷灭 ；燃烧物的温度降到着火点以下
搜题请搜索小程序“爱下问搜题”
通过化学学习，我们懂得了一些安全知识，请举出日常生活中常见的两个灭火事例，并说明其中的灭火原理.(灭火原理不要重复)
熄灭酒精灯用灯帽盖灭 ；燃烧物与空气隔绝 ；房屋着火用水枪喷灭 ；燃烧物的温度降到着火点以下
| 从下列方框中选适当的词填空，注意其形式变化。 | |
2. What are the fine ____ you should find in a great person? 3. After a short rest, Jack ____ to draw the picture. 4. Since I was better ____, I got a job working in an office. 5. The doctor ____ him to eat more fruit and take more exercise. 6. He has been able to tell us more about ____ volcanoes (火山) than any man alive. 7. I hope people all over the world will lead a ____ life. 8. Could you be so kind as to tell me the exact ____ of the supermarket? |