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食物的变质

Authored by TOH Moe

Science

6th Grade

Used 14+ times

食物的变质
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

食物变质是

食物在各种因素下,其本质变好或变美

食物在各种因素下,其本质变差或变坏

食物在各种因素下,其本质产生变化或被破坏

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

大多数的食物放置在____下一段时间后,就会变质。

常温

低温

高温

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已变质食物的发霉的特征是

表面长出黑色,绿色,白色会灰色等的斑点。

表面会长出青春痘

表面会长出蘑菇

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已变质食物的颜色特征是

色泽会变美

色泽会变好

色泽会改变

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已变质食物的触感特征是

质地变硬,变粗糙

质地变软,变黏或变得没有弹性

有质感并光滑

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已变质食物的味道特征是

有甜味或咸味

有苦味或辣味

有异味或酸味

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小美把牛奶盒子剪开时,发现牛奶已变质。她是根据什么特征断定牛奶已变质?

P 出现黑斑点

Q 出现泡沫

R 出现块状物质

S 牛奶变成褐色

P & Q

R & S

P & S

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