B
Hi! My name is Li Dong. I'm 13 years old. I'm a student in Grade Seven.
Look at the picture of my family. They are my parents, grandparents, my little brother and me. My father is 41. He is a PE teacher. He always plays games with my brother and me. My mother is 40. She is a policewoman. She likes her job, because she wants to help people in need. My brother is 5 years old. He wants to be a doctor. He likes playing（扮演）doctors and patients（病人）with me. My grandparents are old. They live with us. On weekends, we often have a picnic in the park or run by the lake.
I love my family very much.
()46. How old is Li Dong?
A. Seven. B. Thirteen.
C. Forty. D. Forty-one.
()47. What does Li Dong's father do?
A. A Chinese teacher.
B. A PE teacher.

C. A policeman.
D. A doctor.
()48. Why does Li Dong's mother like her job?
A. Because she wants to help people in need.
B. Because she likes children.
C. Because she can play games with Li Dong.
D. Because Li Dong's grandparents are old.
()49. Where do Li Dong's family often have a picnic on weekends?
A. On the grassland.
B. On the beach.
C. In the park.
D. By the lake.
()50. What is the main purpose（主要目的）of the text?
A. To introduce（介绍）Li Dong.
B. To introduce Li Dong's friends.
C. To introduce Li Dong's favorite.
D. To introduce Li Dong's family.

46. B 由第一段第三句可知，李东13岁。故选B。
47. B 由第二段第四句可知，李东的爸爸是一名体育教师。故选B。
48. A 由第二段第九句可知，因为她想帮助有需要的人。故选A。
49. C 由第二段最后一句可知，李东一家在公园里野餐。故选C。
50. D 由第二段第一句和最后一段可知，短文是在介绍李东的家人。故选D。