下列属于选择分类标志的原则的是（） A.从研究范围出发选择标志 B.从反映事物本质的

根据短文内容完成下面的表格。每空一词。
Sam is my pen friend. There are five people in his family. His father is a PE teacher. His mother is a nurse. He has a sister and a brother. His sister is twenty minutes younger than his brother. They are all middle school students now. They are in the same school. They go to school together every day. They are all good at PE. They are Americans, but they would like to come to China next year. I hope they will come soon.

Sam’s ___小题1:____
Family 小题2:	Sam’s _小题3:____, brother, _小题4:___ and Sam.
Jobs	Sam’s father is a PE _小题5:__, his _小题6:__ is a nurse. His brother, sister and _小题7:___ are all _小题8:____ school students.
Good at and hope	They are all good at _小题9:_ and want to come to ___小题10: