第11题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard A. People are faced with too many choices. B. There are too many banner ads. C. People have to spend more money. D. It’s hard to learn to use the Internet. 参考答案:B 答案解析:[听力原文] Q: What problems does the woman point out when talking about using the Internet [答
第23题: [单项选择]二进制数1111101011011转换成十六进制数是 A. 1FSB B. D7SD C. 2FFl3 D. 2AFH 参考答案:A 答案解析:[解析] 二进制整数转换成十六进制整数的方法是:从个位数开始向左按每4位二进制数一组划分,不足4位的前面补0,然后各组代之以一位十六进制数字即可。