I’m Tom. I have a dog. Its name is Doudou. It is white and small.

Doudou likes to play with my ball. It runs fast and jumps high.

1.1. What is the dog’s name?

A Mimi.

B Doudou.

C Tom.

D Lucy.

解析：选B。B细节理解题。第一段明确提到“Its name is Doudou”，意为“它的名字叫豆豆”，所以答案是B。

2.2. What does Doudou like to play with?

A A ball.

B A cat.

C A book.

D A pen.

解析：选A。A细节理解题。第二段提到“Doudou likes to play with my ball”，“豆豆喜欢和我的球一起玩”，因此答案选A。

3.3. What can Doudou do?

A Sing.

B Dance.

C Run fast.

D Read.

解析：选C。C细节理解题。第二段提到“It runs fast and jumps high”，即“它跑得很快，跳得很高”，选项中只有C符合。故选C。

4.4. What does Tom do every day?

A Feed Doudou.

B Wash Doudou.

C Teach Doudou.

D Carry Doudou.

解析：选A。A细节理解题。第三段提到“I feed it every day”，即汤姆每天都给豆豆喂食，由此可知答案选A。