
六年级科学食物保存
Authored by LIM Moe
Science
2nd Grade
Used 8+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
嘉胜进行了一项实验以研究食物的变质。他把四种食物放在桌上,然后每天进行观察。哪种食物最快变质?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一些不是食物变质的特征?
外观会改变
颜色会改变
发出难闻的气味
带有甜味
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上述食物变质后会出现哪些特征?
发出难闻的气味、质地变硬
颜色会改变、发出难闻的气味
外皮变得干瘪、长出白色斑点
发出臭味、长出绿色的斑点
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
图中的食物保存法主要是限制微生物滋生所需的______。
水分
适当的温度
空气
适当的酸度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“食物X变质后会失去弹性,应以冷冻方式保存”
以下哪项最有可能是食物X?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪种方法适合用来保存上述的食物?
上蜡
腌渍
冷冻
干藏
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些食物适合冷藏?(答案超过一个)
鸡蛋
蔬菜
鱼
水果
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