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- Multiple ChoicePlease save your changes before editing any questions.
我們的——充滿了——
空氣，四周
四周，空氣
水裏，水
電視裏，顔色
- Fill in the BlankPlease save your changes before editing any questions.
空氣有什麽特性？（試寫一項）
- Multiple ChoicePlease save your changes before editing any questions.
空氣中佔最多的是？
氮
氧
二氧化碳
屁
- Multiple ChoicePlease save your changes before editing any questions.
燃燒時會產生？
氧
氮
二氧化碳
- Multiple ChoicePlease save your changes before editing any questions.
空氣流動時便會形成？
風
屁
水
- Multiple ChoicePlease save your changes before editing any questions.
燃燒是可以逆轉的改變嗎？
可以
不可以
- Multiple ChoicePlease save your changes before editing any questions.
燃燒需要？
屁
氧
氮
- Fill in the BlankPlease save your changes before editing any questions.
熄滅火的原理是？
- Multiple ChoicePlease save your changes before editing any questions.
以下哪些是滅火工具？
滅火毯
報紙
滅火喉
滅火筒
- Multiple ChoicePlease save your changes before editing any questions.
人靠什麽維持生命？
呼吸
放屁
去厠所
逛街