（1）How many books has Dou Kou already finished writing？
A.Three.
B.Four.
C.Five.
（2）When did Dou Kou begin to use a dictionary？
A.When he could speak.
B.After he went to school.
C.Before his father taught him to study.
（3）Why could Dou Kou write books？
A.Because of his good grades.
B.Because of his life experience.
C.Because of his parents' hard work.
（4）When did Dou Kou write a novel about his own life？
A.At the age of 4.
B.At the age of 5.
C.At the age of 6.
（5）What's the name of Dou Kou's third book？
A.Eyes of Childhood.
B.Fairy Tales.
C.The Youngest Writer.