第19题: [单项选择]{{I}} Question 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the question. Now listen to the news.{{/I}}Where will the Group of Fight summit be held A. England B. Ireland C. Scotland D. France 参考答案:C
第34题: [单项选择]下面的4个IP地址,属于D类地址的是( )。 A. 10.10.10.10 B. 222.222.0.20 C. 224.0.0.201 D. 244.30.21.46 参考答案:C 答案解析:[解析] D类地址的第一字节范围是 224(11100000)~239(11101111),只有C项符合题意。