A woman surnamed (姓) Fu posted photos of an egg on the Internet. The egg is a 20-year-old cooked egg. It is now fossilized (石化的) and looks like a ruby (红宝石).

When Fu was still a young girl in primary school, her mother cooked the egg for her to eat at school. The little girl put it into her schoolbag. But she forgot about it for three days. She thought it had gone bad. But she didn’t want to throw the egg away. So she put it on the top of their fridge. She completely forgot about it for a couple of months.

When Fu’s mother found the egg again, it had already changed its color to beautiful dark red. So Fu decided to keep it in a small jewelry box. As years passed, Fu moved out of her parents’ house and forgot about the egg. But recently, Fu’s mother found it while cleaning and showed it to her. The egg became more beautiful, like a real ruby.

The photos of the old egg quickly attracted people’s attention. It wasn’t long before hundreds of reporters started calling Fu about the special egg.   ▲   and others were wondering why. Fu didn’t have any answers. But she said it might have something to do with the cold, dry winter in her hometown. Experts are trying their best to find out the reasons.

1.When was the egg cooked?

A In 2013.

B In 2003.

C In 2012.

D In 2022.

解析：选B。B数字计算题。根据第一段第二句的“20-year-old cooked egg”可知，这个鸡蛋是在(2023-20=)2003年煮的。故选B。

2.Fu forgot the egg ______ when her mother cooked it for her.

A in their fridge

B in her schoolbag

C in a small box

D in her classroom

解析：选B。B细节理解题。根据第二段的第二、三句“The little girl put it into her schoolbag. But she forgot about it for three days.”可知，傅女士当时把鸡蛋忘在了自己的书包里。故选B。

3.Fu decided to keep the egg in a box because of _______.

A its shape

B its taste

C its smell

D its color

解析：选D。D细节理解题。根据第三段第一、二句的“...it had already changed its color to beautiful dark red. So Fu decided to keep it in a small jewelry box.”可知，当时这个鸡蛋变成了漂亮的暗红色，所以傅女士决定把它放进一个小首饰盒里。故选D。

4.Fu’s mother found the egg recently while _______.

A reading

B cooking

C cleaning

D dancing

解析：选C。C细节理解题。根据第三段倒数第二句“But recently, her mother found it while cleaning and showed it to her.”可知，傅女士的母亲在打扫卫生的时候再次发现了这个鸡蛋。故选C。

5.What can be put back into the “ ▲ ”?

A Some gave up asking questions

B Some knew the possible reasons

C Some discussed on the Internet

D Some wanted to know its story

解析：选D。D推理判断题。根据最后一段空格前文的“calling Fu about the special egg”和后文的“and others were wondering why”可知，很多人给她打电话，“一些人想要知道关于这个鸡蛋的故事”，而其他人想知道为什么鸡蛋会变成这样。故选D。