为什么食物会变质?
科学 六年级 (食物的保存)

Quiz
•
Science
•
4th Grade
•
Medium
ANGELINA Moe
Used 373+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空气中的灰尘掉落在食物表面
食物里面原本的细胞变质变坏
微生物分解和吸收食物的营养并排出废物
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
以下哪一些不是保存食物的方法?
冲洗
盐腌
上蜡
巴氏杀菌法
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么我们要用各种方式来保存食物?
食物容易变质
避免浪费食物和食物短缺的问题
延长食物的保存期
以上皆是
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项保存法最适合用来保存虾米?
干藏
腌渍
熏制
巴氏杀菌法
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项保存法不适合用来保存蔬果?
干藏
腌渍
熏制
上蜡
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一项保存法最适合用来保存牛奶?
干藏
腌渍
熏制
巴氏杀菌法
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