第9题: [单项选择]What is the woman doing A. Changing her clothes. B. Doing her homework. C. Having dinner. 参考答案:B 答案解析:[听力原文] M: Would you like to go out for a walk with me W: Don’t you see I am doing my homework
第10题: [单项选择]下列字符串中可以用作C++语言标识符的是 A. 1234 B. foo~ ~bar C. virtual D. 34var 参考答案:A 答案解析:解析:C++语言标识符只能由数字,字母和下划线组成,并且只能以字母和下划线为开头。