第30题: [单项选择]Why hasn’t their mother bought the tickets A. She has no time to buy them. B. The ticket is expensive. C. She has no money. 参考答案:A 答案解析:[听力原文] M: Has mother bought the tickets for us yet F: No, she hasn’t. She was too busy.
第31题: [单项选择]已知有下列类的说明，则下列哪个语句是正确的 ( ) public class Test { private float f=1.0f； int m=2； static int n=1； public static void main(String arg[]) { Test t=new Test（ ）； } } A. f; B. this，n； C. Tesm; D. Tesf; 参考答案:A
