Betty and Kitty are twins. They’re 12 years old. They look the same. But they have different (不同的) hobbies. Betty likes collecting stamps (集邮). She has many beautiful stamps. They’re from different cities (城市) and countries (国家). But Kitty likes growing flowers. The flowers are all very beautiful. Betty and Kitty both like reading books. Betty likes reading storybooks. But Kitty likes reading science books. 

1.Betty is Kitty’s ________.

A brother

B friend

C sister

D

解析：选C。C细节理解题。根据Betty and Kitty are twins.可知贝蒂和凯蒂是双胞胎，名字是女孩，可知她们是姐妹，故选C。

2.How old is Kitty?

A 12

B 11

C 10

D

解析：选A。A细节理解题。根据They’re 12 years old.可知她们都是12岁，故选A。

3.________ likes collecting stamps.

A Betty

B Kitty

C Lucy

D

解析：选A。A细节理解题。根据Betty likes collecting stamps.可知贝蒂喜欢集邮。故选A。

4.Kitty likes ________.

A collecting stamps

B growing flowers

C reading storybooks

D

解析：选B。B细节理解题。根据But Kitty likes growing flowers.可知凯蒂喜欢种花，故选B。