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六年级科学食物保存

Authored by LIM Moe

Science

2nd Grade

Used 8+ times

六年级科学食物保存
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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?

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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

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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

Media Image

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?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

水果

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