Sally’s father is ill in hospital. and her mother has to look after her father there The woman can’t leave their four-year-old son Harry at home. So she asks Sally, “How many classes do you have this afternoon?”
“We have no classes today,” answers the girl. “We’re having a school sports meeting today.”
“That’s great!” says her mother. “Take your brother to your school. Tell your teachers I have a lot of things to do. I’m sure they can let you look after him today.”
Sally does what her mother says. This little boy comes to school for the first time and thinks everything is interesting. He sees some children having a race and asks. “What are they running for, Sally?”
“The first one can get a prize.” answers Sally.
“Now, I see. But why are the others running?”
小题1:Where is Sally’s father?
小题2:Who will take care of Sally’s father?
小题3:How old is Harry?
小题4:Does Harry often go to school?
小题5:Why does Sally take her brother to school today?
粒子散射实验证实了原子核由质子和中子组成