Q:为什么大熊猫被叫作“国宝”呢？

几百万年前许多动物进化的面目全非了，而熊猫缺几乎没有变化，成为动物界珍贵的“活化石”。

趣味知识

大熊猫是我国独有的动物，极少国家的动物园里的熊猫也是作为国礼赠送过去的。
大熊猫原来的名字叫猫熊。

每个句子读10遍，理解意思。

We crossed the bridge over the river.
The bus hit the bridge.
There are four seasons in a year. They're spring, summer, fall, winter.
Spring, summer and fall went by, and winter came.
The telephone is by the window.
Come and sit by me.
My Uncle Jim had a high fever.
He has a cold, and he feels very bad and uncomfortable.
I have a bad toothache, I want to see the dentist.
I will fight the dragon.
The princess played with the dragon.
She put on her coat and went out.
I put the radio on.
The children put on a play.
I'm a grumpy old man.
Why does the sun shine?
The sun was shining and the sky was blue.
This room gets very little sunshine.
She made her bed, and tidied her room.
Let's tidy up the room.
The room is clean and tidy.
His bedroom was not very tidy.
The bedroom was very untidy.
My bedroom is tidier than his.
My bedroom is the tidiest of all.
Do you like this hot weather?
No,silly,those aren't your shoes!
We had to wear these silly little hats.
You silly boy！
Does he live with a Princess?
Do you live with a Princess?
Princess Anna said, "How do you do?"
The prince was turned into a frog by the witch.
She became queen in 1952.
He became king in 1932.
I have a sinking feeling.
How do you feel? I feel better now.
How are you feeling today?
My mouth felt dry.
The city has become very clean.
I want to become a doctor.
She became queen in 1952.
Kipper looked like a monkey.
Pull it out.
Don't wobble the desk.
Let me have a try.

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