黑色是最古老的颜色？我们来看看最新发现
黑色是最古老的颜色？我们来看看最新发现

Most of us might think that the world's oldest colour is black or dark gray. However, scientists have found out that bright pink is the oldest known colour. Researchers looked at 1.1-billion-year-old rocks in the Sahara Desert. They crushed the rocks into powder and found the bright pink colouring in them. This means that pink is the oldest colour on geological record. Dr. Nur Gueneli made the discovery in a lab in Australia. Dr.Gueneli said the colour was produced by ancient organisms that lived in the sea. She added that the sea is so old that they no longer exist. At that time, tiny organisms were the largest life forms on Earth.
Dr. Gueneli said her team thought the rock powder might turn black when they were doing their experiments on it. Instead, it turned pink. Another researcher said, "I remember I heard this screaming in the lab. Dr. Gueneli came running into my office and said, 'look at this,' and she had this bright pink stuff. " The rocks could contain other colors, from a blood red to a deep purple. Gueneli explained how important her discovery was. She said, "Imagine you could find a fossilized dinosaur skin that still has its original colour—green or blue. That is exactly the type of discovery that we've made."

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1.What colors did the article say we might have thought were the oldest?

A Silver and gold.

B Green and blue.

C White and yellow.

D Black and dark gray.

解析：选D。细节理解题。根据第一段第一句Most of us might think that the world's oldest colour is black or dark gray.可知我们大多数人可能认为世界上最古老的颜色是黑色或深灰色，故选D。

2.How old were the rocks the scientists looked at?

A 11 million years old.

B 1.1 billion years old.

C 11 billion years old.

D 1.1 million years old.

解析：选B。细节理解题。根据第一段第三句Researchers looked at 1.1-billion-year-old rocks in the Sahara Desert.可知研究人员观察了11亿岁的撒哈拉沙漠深处的岩石，故选B。

3.What color did the scientists find in the rocks?

A Bright blue.

B Bright purple.

C Bright red.

D Bright pink.

解析：选D。D 细节理解题。根据第一段第四句They crushed the rocks into powder and found the bright pink colouring in them.可知，科学家们在岩石中发现了亮粉红色，故选D。

4.What other two colors did researchers say could be in the rocks?

A Black and white.

B Blue and green.

C Red and purple.

D Black and dark gray.

解析：选C。C 细节理解题。根据第二段倒数第四句The rocks could contain other colors, from a blood red to a deep purple.可知岩石可以含有其他颜色，从血红到深紫色，故选C。

5.What did Dr Gueneli compare her discovery to?

A A Moon landing.

B The theory of relativity.

C The finding of dinosaur skin.

D The invention of the printing press.

解析：选C。C 细节理解题。根据第二段最后两句She said, "Imagine you could find a fossilized dinosaur skin that still has its original colour - green or blue. That is exactly the type of discovery that we've made."Dr Gueneli将自己的发现比喻成找到恐龙皮肤化石的发现，故选C。