阅读理解。（共15小题；每小题2分，满分30分）
Tom was a farmer. He worked on the farm all day ， but sometimes he went to the town market to sell fruit and vegetables. One day,a terrible sound attracted his attention in the town market. He saw a young bull for sale. The bull was white and yellow. It was looking at Tom in fear. Tom walked up and touched its head gently. Just at that time they both seemed to have known each other for a long time. How amazing ！ Tom bought it at once and called it Amba.
From then on ， Tom and Amba got on well with each other. But some friends told him that it was dangerous to have such a close relationship with an animal.
One afternoon ， Tom was walking through the forest with Amba. Suddenly ， Amba stopped walking and kept pushing Tom with its head. Tom was very surprised and looked around. There was a big snake in front of him. It was beautiful but poisonous. Quickly Amba stepped on the snake's tail with its foot and at the same time Tom picked up a stick and hit the snake's head heavily. Soon the snake . died.
Tom was very grateful for Amba's help. When people heard this, they were shocked at the bull's expression of love for Tom. But for Tom, Amba was not a bull but a member of his family.
Tom worked ______________.

A．on the farm	B．in the market
C．in the forest	D．in the town

Amba was ______________.

A．a small and nice cow	B．a big and beautiful snake
C．a white and yellow bull	D．a black and white dog

From the passage, we know Tom and Amba _____________.

A．hated each other	B．got angry with each other
C．got on well with each other	D．disliked each other

Which of the following statements is NOT true?

A．Tom went to the town market to sell fruit and vegetables.

B．Tom's friends thought animals were safe.

C．Tom hit the snake's head heavily with a stick.

D．For Tom, Amba was a member of his family.

The passage mainly wants to tell us _______________.

A．the love between humans and animals

B．the fight between a bull and a snake

C．how to keep an animal

D．how to train an animal