五、阅读短文,从方框中选出能填入文中空白处的最佳选项,选项中有两项为多余选项
Food safety is important, and it does not end at our door. The fridge may be a perfect choice for keeping food safe and fresh, but it is not a magic box to keep all kinds of food.
The temperature in the fresh keeping area can be different from shelf to shelf. The higher the shelf is, the higher the temperature will be.
The fridge can stop bacteria (细菌) from growing fast. Bacteria can grow quickly in temperatures between $5°\mathrm{C}$ and $60°\mathrm{C}$. If you want to get the most out of your food, the temperature in your fridge needs to be between $0°\mathrm{C}$ and $5°\mathrm{C}$.
Fruit and vegetables can also be stored at room temperature. Try to keep them in a cool, dry and dark place, away from direct sunlight. Once they are cut, they should be put in the fridge.
A. So make use of these different temperatures.
B. The freezer temperature should be below $-18°\mathrm{C}$.
C. It is necessary to know where to put your fridge.
D. Bottom shelves are the coldest part of the fridge.
E. The tips above can help you keep your food fresh.
F. Let's learn how to store food correctly in the fridge.
G. It is important to keep food safe for us all.
46.
Food safety is important, and it does not end at our door. The fridge may be a perfect choice for keeping food safe and fresh, but it is not a magic box to keep all kinds of food.
F
46The temperature in the fresh keeping area can be different from shelf to shelf. The higher the shelf is, the higher the temperature will be.
A
47 If you store it on the right shelf, you can get the best out of your food. Try to put ready-to-eat food like burgers, pizza or cream cakes on top shelves. The middle shelves are for cheese, yogurt and eggs. D
48 They can be used to store raw (生的) meat and seafood. Some fridges have a freezer for keeping these things, so use it if you have one.The fridge can stop bacteria (细菌) from growing fast. Bacteria can grow quickly in temperatures between $5°\mathrm{C}$ and $60°\mathrm{C}$. If you want to get the most out of your food, the temperature in your fridge needs to be between $0°\mathrm{C}$ and $5°\mathrm{C}$.
B
49Fruit and vegetables can also be stored at room temperature. Try to keep them in a cool, dry and dark place, away from direct sunlight. Once they are cut, they should be put in the fridge.
E
50 Hope you can follow them to live a healthy life.A. So make use of these different temperatures.
B. The freezer temperature should be below $-18°\mathrm{C}$.
C. It is necessary to know where to put your fridge.
D. Bottom shelves are the coldest part of the fridge.
E. The tips above can help you keep your food fresh.
F. Let's learn how to store food correctly in the fridge.
G. It is important to keep food safe for us all.
46.
F
47. A
48. D
49. B
50. E
答案：46.F 47.A 48.D 49.B 50.E
解析：
【分析】
做七选五题型时，需结合上下文语境，分析句子间的逻辑关系（如引出话题、承上启下、总结等）来匹配选项。
1. 46空：前文指出冰箱并非万能，后文开始介绍冰箱内食物储存的具体方法，需引出“正确在冰箱存食物”的话题，对应选项F。
2. 47空：前文说明冰箱各层温度不同，后文提到存对架子能发挥食物最佳状态，需衔接“利用温度差异”的内容，对应选项A。
3. 48空：前文介绍了顶层、中层的存放食物，后文讲存生肉海鲜，结合冰箱结构常识，底层是最冷的部分，对应选项D。
4. 49空：前文讲冷藏温度要求，后文提到冷冻的使用，需补充冷冻温度的要求，对应选项B。
5. 50空：后文说“希望你遵循它们”，需总结上文的建议，对应选项E。
【解析】
1. 46题：前文提到冰箱不是万能的，后文开始讲解冰箱内食物储存的方法，F选项“Let's learn how to store food correctly in the fridge.”（让我们学习如何正确在冰箱储存食物）起到引出话题的作用，符合语境，故46选F。
2. 47题：前文说明冰箱各层温度不同（越高温度越高），后文指出存对架子能发挥食物最佳状态，A选项“So make use of these different temperatures.”（所以利用这些不同的温度）承上启下，衔接温度差异和利用温度存食物的内容，故47选A。
3. 48题：前文介绍顶层放即食食物、中层放奶酪等，后文提到存放生肉和海鲜，结合冰箱结构常识，底层是冰箱最冷的部分，适合存放生肉，D选项“Bottom shelves are the coldest part of the fridge.”（底层架子是冰箱最冷的部分）符合逻辑，故48选D。
4. 49题：前文说明冷藏温度需在0℃到5℃，后文提到冷冻的使用，B选项“The freezer temperature should be below -18℃.”（冷冻温度应低于-18℃）补充了冷冻的温度要求，与前文内容衔接，故49选B。
5. 50题：后文说“希望你遵循它们”，说明此处是总结上文的建议，E选项“The tips above can help you keep your food fresh.”（上面的建议能帮你保持食物新鲜）是对上文内容的总结，故50选E。
【答案】
46.F 47.A 48.D 49.B 50.E
【知识点】
阅读理解（七选五）、上下文逻辑衔接
【点评】
本题为七选五题型，考查学生对文章上下文逻辑关系的理解能力，需结合语境、句子衔接及生活常识选择选项，难度适中。
【难度系数】
0.6
做七选五题型时，需结合上下文语境，分析句子间的逻辑关系（如引出话题、承上启下、总结等）来匹配选项。
1. 46空：前文指出冰箱并非万能，后文开始介绍冰箱内食物储存的具体方法，需引出“正确在冰箱存食物”的话题，对应选项F。
2. 47空：前文说明冰箱各层温度不同，后文提到存对架子能发挥食物最佳状态，需衔接“利用温度差异”的内容，对应选项A。
3. 48空：前文介绍了顶层、中层的存放食物，后文讲存生肉海鲜，结合冰箱结构常识，底层是最冷的部分，对应选项D。
4. 49空：前文讲冷藏温度要求，后文提到冷冻的使用，需补充冷冻温度的要求，对应选项B。
5. 50空：后文说“希望你遵循它们”，需总结上文的建议，对应选项E。
【解析】
1. 46题：前文提到冰箱不是万能的，后文开始讲解冰箱内食物储存的方法，F选项“Let's learn how to store food correctly in the fridge.”（让我们学习如何正确在冰箱储存食物）起到引出话题的作用，符合语境，故46选F。
2. 47题：前文说明冰箱各层温度不同（越高温度越高），后文指出存对架子能发挥食物最佳状态，A选项“So make use of these different temperatures.”（所以利用这些不同的温度）承上启下，衔接温度差异和利用温度存食物的内容，故47选A。
3. 48题：前文介绍顶层放即食食物、中层放奶酪等，后文提到存放生肉和海鲜，结合冰箱结构常识，底层是冰箱最冷的部分，适合存放生肉，D选项“Bottom shelves are the coldest part of the fridge.”（底层架子是冰箱最冷的部分）符合逻辑，故48选D。
4. 49题：前文说明冷藏温度需在0℃到5℃，后文提到冷冻的使用，B选项“The freezer temperature should be below -18℃.”（冷冻温度应低于-18℃）补充了冷冻的温度要求，与前文内容衔接，故49选B。
5. 50题：后文说“希望你遵循它们”，说明此处是总结上文的建议，E选项“The tips above can help you keep your food fresh.”（上面的建议能帮你保持食物新鲜）是对上文内容的总结，故50选E。
【答案】
46.F 47.A 48.D 49.B 50.E
【知识点】
阅读理解（七选五）、上下文逻辑衔接
【点评】
本题为七选五题型，考查学生对文章上下文逻辑关系的理解能力，需结合语境、句子衔接及生活常识选择选项，难度适中。
【难度系数】
0.6