根据短文内容，判断下列句子的正 ( R )与误 ( W )。

     At school I have a good friend. Her name is Jenny Black. She is from England. Her father is a doctor.

Her mother is a teacher. They are all in China. She has a sister. She is eighteen. She is in Oxford University

(牛津大学). Jenny and I are in the same grade. She is in Class 4, and I am in Class 5. After school she

teaches me English and I teach her Chinese. We often help each other.

( )1. Jenny is an English girl.

( )2. Jenny's family all live in China.

( )3. Jenny and I are in the same class.

( )4. Jenny's sister is a university student.

( )5. There are five people in the passage.

试述海德格尔“理解的前结构”。