六年级(食物的保存)
Quiz
•
Science
•
12th Grade
•
Practice Problem
•
Hard
YAU Moe
Used 12+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
选出已变质的食物特征。
香味扑鼻
带有异味
新鲜美味
出现多种颜色
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
选出食物保存的目的。(答案超过一个)
减缓食物变质,保存较长的时间
抑制或缓减微生物的生长,对食物进行特别处理
延长食物食用期限的方法
微生物把食物分解、吸收食物中的营养,并排出废物而引起的
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何避免食物太快变质?以下的配搭都是正确的,除了
香蕉 = 冷藏
黄瓜 = 真空包装
芒果 = 腌渍
洋葱 = 干藏
豆腐 = 冷藏、盐腌
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
我们可用什么材料来保存黄瓜?(答案超过一个)
油
胡椒粉
糖
盐
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是脱水?
增加或减去物品里所含的酸度
减去或增加物品里所含的水分
减去或去除物品里所含的水分
增加物品里所含的酸度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么我们要煮沸、高温处理食物?
可以杀灭全部的微生物,使食物保存得久一些。
可以杀灭部分的微生物,使食物保存得久一些。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
煮沸、高温处理食物的坏处是
温度恢复到室温时,微生物便会重新生长
可保存的时间较长
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