A California couple got a huge surprise last year while walking their dog in their garden. They found 1,427 gold coins under a tree. The coins are worth over $10 million. They are all in perfect condition. The coins are almost 200 years old. Some of them are very rare and could be worth $1 million each. The couple said they saw parts of some cans on the ground. When they dug down, they were shocked at what they found. The woman said: "It was like finding a wonderful hot potato. I never would have thought we would have found something like this." 

The couple said they would keep some of the coins and sell the others online. They will give some money to charity and use some on their house. The woman had some advice: "Whatever answers you are looking for, they might be right at home. The answer to our difficulties was right there under our feet." She said never be afraid to look inside a dirty can. A coin expert said the coins were real. He was very excited and said: "I don't like to say once-in-a-lifetime for anything, but you don't get a chance to see this kind of things, a treasure like this." 

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1.Where did the couple find the gold coins?

A In a river.

B Under a tree.

C In an old house.

D In a car.

解析：选B。B 细节理解题。根据第1段第2句They found 1,427 gold coins under a tree.可知，故选B。

2.The underlined word “surprise” refers to_____.

A finding a dog

B finding gold coins

C finding $10 million

D finding a hot potato

解析：选B。B 综合理解题。根据第1段1、2句可知，故选B。

3.How old are the coins?

A Almost 200 years old.

B Almost 2000 years old.

C Less than 200 years old.

D Over 200 years old.

解析：选A。A 细节理解题。根据第1段第5句The coins are almost 200 years old.可知，故选A。

4.Which is NOT mentioned in the passage according to the couple?

A Keeping some coins.

B Traveling.

C Giving some money to charity.

D Using some money on house.

解析：选B。B 内容理解题。文章中该夫妇对金币出售所得的钱的处理并未提到旅游，故选B。

5.Which is RIGHT according to the passage?

A Gold coins are always put in cans.

B The potato is too hot for the couple to hold.

C The couple sold all the gold coins.

D The couple is kind to help others.

解析：选D。D 综合理解题。根据第2段第2句They will give some money to charity…可知，故选D。