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Once, a mother pig asked her three little children to live on their own. They needed to look after themselves. Then the three pigs left their mother's house and went to build their own houses.
The first pig saw some straw, so he built a fine house with straw.
The second pig went farther and built a house with wood.
The third pig went farthest and worked hard to build a house with stone.
One day, a wolf came to the straw house, he was hungry.
"Little pig, let me in! I'm your brother."
"No, no! You are a wolf."
Then the wolf blew down the straw house. The first pig ran to the wooden house.
Then the wolf came to the wooden house, too. And he again blew it down. So the two pigs ran to the stone house.
The wolf came and wanted to blow down the stone house. He blew and blew, but the house didn't fall down. Then wolf was angry, he climbed to the roof and jumped down the chimney.
The wolf fell into the pot on the fire! It was very hot so he died.
The three little pigs lived happily ever after.
1．How many little pigs are mentioned in the passage? (     )

A．One.

B．Two.

C．Three.

D．Four.

2．Which pig is the laziest (最懒的)? (     )

A．The mother pig.

B．The first pig.

C．The second pig.

D．The third pig.

3．How many ways did the wolf try to get into the pigs' houses? (     )

A．One.

B．Two.

C．Three.

D．Four.

4．How did the wolf get into the stone house? (     )

A．He blew the house down.	B．The pig believed that the wolf was his brother.
C．He climbed to the roof and jumped down the chimney.	D．He knocked the door down.

5．Why did the wolf died in the end? (     )

A．He couldn't get into the house.	B．He couldn't beat (打败) the three pigs.
C．He was angry.	D．The wolf fell into the pot on the fire!