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 ____
如图,在△ABC中,MN∥DE∥BC,若AE:EC=7:3,则DB:AB的值为____ .