阅读理解。 My name is David Green. I am an English boy. My family are in Beijing. My father and mother work there. My father is an engineer (工程师) and my mother is a teacher. I have a sister but no brothers. My sister and I are students of a middle school in Beijing. We love China. We have a nice house in Beijing. My family has a TV and a computer. My room is big. There is a bed, a desk and two chairs in it. My books are in my desk. I have a radio on my desk. There are some pictures on the wall. I like my room and I like these pictures very much, too. 阅读短文，判断正（T ），误（F ）。 (     )1. There are four people in David's family. (     )2. Mr and Mrs Green have a son and a daughter. (     )3. David's mother works in a school in Beijing . (     )4. There are two desks and a chair in David's room. (     )5. There isn't a radio on David's desk.