阅读理解。
Dave was ten years old and was a very lazy boy. He had to go to school every day. He didn't like school and didn't want to do much work. His parents are doctors. They hoped that their son would become a doctor when he grew up. But one day Dave said to his mother, "When I finish school, I want to be a dustman(垃圾工人)."
"A dustman?" his mother asked. She was very surprised(惊讶地). "That's not a pleasant job. Why do you want to be a dustman?"
"Because I only have to work one day a week," Dave answered.
"One day a week?" his mother asked. "What do you mean?"
"Well," Dave answered, "I know that dustman only come to our house and work on Wednesday, because I only see them on that day."
1. Dave did not do much work at school because _____ .
A. he was lazy
B. he didn't like the teacher
C. he was good at his lessons
D. his parents would help him
2. Dave knew that _____ .
A. his parents wanted him to be a doctor
B. his father was one of the best doctors
C. his mother worked very hard
D. his teachers were very good
3. Dave wanted to be a dustman because he thought _____ .
A. it was the easiest work
B. it was the most interesting work
C. it was much better than to be a doctor
D. dustman didn't have to work every day
4. Dave's mother thought dustman's job was _____ .
A. happy
B. light
C. not pleasant
D. not busy
5. Which of the following is right?
A. Dave was a student of a very big school.
B. Dave's parents worked in the same hospital.
C. Dave was the only son of the family.
D. Dave didn't know how dustmen did their work.