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There's nothing more upset than coming home from the office to cook a delicious meal in mind, only to find your half-eaten food has gone bad. But if you use your freezer effectively, it can save your time and money.

Here, we have collected some surprising foods you never know you could keep in the fridge.

1. Bacon. Freeze bacon for up to three months in foil-wrapped packages of two to four pieces. They are perfect for cooking up a last-minute fried rice. Just simply chop them up straight from the freezer, and there's no need to defrost(解冻).

2. School Lunches. Many of us have all stored bread in the freezer to prevent them from going bad. To speed up the lunch preparation, you can freeze complete sandwiches or bread rolls. They go bad quickly on the bench but remember to avoid vegetables such as lettuce and tomatoes because they do go wet after freezing.

3. Milk. Astonishingly, milk can freeze up to six months. You can freeze the liquid directly in its plastic bottle but make sure you use a bit first because milk can expand when frozen. Another way of freezing them for later is pouring them into ice-cube trays—perfect to add to smoothies, soups or even cool down your coffee.

4. Flour. Finally, another material you probably would never think to freeze is flour. Freezing flour in an air-tight container is a great way of keeping it fresh, especially for whole grain flour, which have a shorter shelf life than refined flour. And it keeps pests out of your flour, too! To prevent changes to the texture of your baked goods, bring the frozen flour to room temperature before using it in your baking. Spreading it out on a baking tray will speed up this process.

1.How long should you wait if you get some freezing bacon out from the freezer?

A Not a single minute.

B Several minutes.

C Half an hour.

D Two hours.

解析：选A。推理判断题。根据第三段最后一句Just simply chop them up straight from the freezer, and there's no need to defrost.可知培根不用解冻，可以直接切，因此一分钟都不用等，故选A。

2.Why did the author suggest freezing the complete sandwiches?

A Because it keeps longer in the air after the temperature drops.

B Because it tastes better after keeping a night in the freezer.

C Because it can cut the lunch preparation time short.

D Because it becomes wet after keeping in the freezer.

解析：选C。细节理解题。根据第四段第二句To speed up the lunch preparation, you can freeze complete sandwiches or bread rolls.可知把三明治和面包卷整个冻在冰箱是为了节省午餐准备时间，故选C。

3.What does the underlined word “expand” mean in Chinese?

A 增加.

B 减少.

C 膨胀.

D 收缩.

解析：选C。词义猜测题。根据前面的but make sure you use a bit first 可知需要先用一点，因为冰冻后会expand，用一点就是为了给expand腾出空间，因此expand应该是膨胀变大，冰冻之后牛奶不会变多，只是含水量大的物质冷冻后会因为分子排列形式的变化而膨胀，故选C。

4.Which of the following statements about flour is TRUE?

A Whole grain flour can keep longer than refined flour.

B Pests may appear in the flour if you keep it in the freezer.

C You can use the flour after taking it out from the freezer directly.

D Baking tray can help the flour temperature get up quicker.

解析：选D。细节理解题。根据最后一段最后一句Spreading it out on a baking tray will speed up this process.可知用烘焙烤盘把面粉摊开有助于其温度升高到室温，即烘焙烤盘有助于面粉温度升高得更快，故选D。

5.In which column of a newspaper can you read this passage?

A Sports.

B Life.

C Fashion.

D Science.

解析：选B。B 文章出处题。根据全文内容主要介绍了几种可以在冰箱中长期冷冻保存的食品，这样我们就不会遭遇吃掉一半的食材坏掉的情况，由此可推断应该属于生活栏目，故选B。