Who
name
A. Alice B. Annie ____
A.Shelly B.Monica ____
age
A.14 B.13 ____
A.34 B.42 ____
Nationality(国籍)
A. B. ____
Job
Hobby
A.reading books and riding a bike B. studying English and go cycling ____
A.ice-skating and playing badminton B. going swimming and taking pictures ____
到两定点F1(-3,0),F2(3,0)的距离之差的绝对值等于6的点M的轨迹是( )
读我国某区域图,回答下列问题。