题目

函数f(x)＝在[－1,1]上是奇函数，则f(x)的解析式为________． 答案：f(x)＝看图，选择正确答案【1】—Is Betty sitting beside Tony? ( )—__________.A.Yes, she is.B.No, she isn't.C.Yes, he is.【2】—Is Tony drinking some juice? ( )—__________.A.Yes, she is.B.Yes, he is.C.No, he isn't.【3】—Is Mr Green swimming? ( )—__________.A.Yes, he is.B.Yes, she is.C.No, he isn't.【4】—Is Mrs Green swimming too? ( ) —__________.A.Yes, she is.B.Yes, he is.C.No, she isn't.【5】—How many children are there in the picture? ( ) —__________.A.Two.B.Three.C.Five.