第八课《食物保存》
Quiz
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Science
•
7th - 12th Grade
•
Practice Problem
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TAN Moe
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示食物K变质后的特征。
K最有可能是什么食物?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个学生将新鲜的面条装进透明的容器里,然后放在阴暗的橱里。
一个星期后,面条会有什么变化?
味道变甜
颜色变白
变得干瘪
长出霉菌
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一组学生将两块蛋糕分别放在不同地方的结果。
根据上图,导致蛋糕发霉的主要条件是什么?
蛋糕的酸度
环境的温度
空气的存在
蛋糕里的水分
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪片黄瓜最容易变质?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示冰箱里两个位置的温度。
根据上图,哪些食物最适合保存在 X 和 Y ?
X: 牛肉 ; Y: 番茄
X: 汽水 ; Y: 鸡肉
X: 鸡蛋 ; Y: 苹果
X: 菜心 ; Y: 矿泉水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示经过保存法 H 处理的酸奶。
保存法 H 如何使酸奶保存得更久?
把酸奶煮至沸腾
使酸奶与空气隔绝
在酸奶中加入大量的糖
杀灭酸奶中大部分的微生物
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种保存法能减少食物中的水分,同时改变食物的酸度?
盐腌
腌渍
真空包装
巴氏杀菌法
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