题目

函数y=中自变量x的取值范围是________________. 答案：解析:略听录音，根据所听顺序为下列句子排序。A. It’s Sunday today. B. Linda can speak English.C. I love ice cream.D. Tim often plays ping-pong on the weekend.E. There is a hill in front of the building.16._____ 17.______ 18.______ 19._____ 20. _____