用8位来标识网络号,24位标识主机号的IP地址类别为
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从Internet下载文件通常使用的是Internet的 功能。
A. E-mail
B. FTP
C. Telnet
D. WWW
下列不属于“Internet协议〔TCP/IP)属性“对话框选项的是 。
A. 默认网关
B. 子网掩码
C. 诊断地址
D. IP地址
Task 2 Translate the expressions into Chinese or English.1. a feeling of accomplishment _______________________2. 自豪感 ______________________3. fall off a platform ______________________4. 从自行车上摔下来 _______________________5. non-fatal accidents ____________________6. 致命错误 __________________7. at the top of _________________8. 另外;在……之上 __________________9. cut down on injuries __________________10. 减少能源污染 _________________________
Task 1Discuss the following questions after reading the passage.1. What is the meaning of the topic “Sit Less, Live Longer”?2. What suggestions can be made from the passage for sitting less?