
康自5上期末 是非 A
Authored by Youjiu Youjiu
Other
3rd Grade
Used 1+ times

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67 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當燃燒的蠟燭蓋上廣口瓶,經過一段時間燭火會熄滅,這是因為沒有充足的氣體可以幫助蠟燭燃燒。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一天中,中午12時太陽的高度角最大。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食品包裝裡會充滿氧氣,可以避免食品壞掉。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不論哪一個季節,太陽升起時的方位和高度角都是一樣的。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電線短路是近年來家庭火災的主要原因之一。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燃燒三要素是有可燃物、有二氧化碳和達到燃點,缺少任何一個條件就無法燃燒。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
秋、冬兩季的夜晚,可以利用仙后座來尋找北極星。
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