B

    Hi,everyone! My name is Linda.I'm 1 English girl.This is a 2 of my family.You can see 3 people in it.These are my grandparents.4 are in the middle of the photo.The tall(高的)man is my father .5 name is Henry.This is my mother,Anna.My parents 6 three children(孩子),Tom,Paul and me.Tom and Paul are my 7.Tom is seven.Paul is three.And I'm six.8 is the girl?She is my aunt.Her name is Betty.She is my father's 9.Oh,Pipi is in the photo,too.Pipi is the 10 of my dog.I like it very much.It's my good friend.

关于地球形状的说法, 正确的是                          (     )

已知f（x）是定义在R上的偶函数，并满足f（x+2）=﹣f（x），当2≤x＜3时，f（x）=x，则f（﹣$\frac{11}{2}$）=____