[00:04.31]For Questions 6-10,you'll hear a lecture on Internet. [00:09.87]While you listen, [00:12.83]complete the sentences or answer the questions. [00:17.87]Use not more than 3 words for each answer. [00:22.52]You now have 25 seconds to read the s

发表于:2018-12-27 / 阅读(105) / 评论(0) 分类 最新版英语听力教程

[00:05.69]Before listening to each one,you will have time to read [00:10.14]the questions related to it. [00:13.90]While listening,answer each question by choosing A,B,C or D. [00:20.24]After listening, [00:23.41]you will have time to check your answ

发表于:2018-12-27 / 阅读(140) / 评论(0) 分类 最新版英语听力教程

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Oh what a tangled web we weave. Or so it may seem, because many social networks eventually evolve into one of just two states. We either all get along, o

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(一)月

With millions of blogs on the internet, don't blame yourself if you can't keep up with them all. Advertisers are having the same problem. They know that there are substantial audiences who get their news, their humor, their gossip from blogs, but, re

发表于:2019-01-08 / 阅读(106) / 评论(0) 分类 2005年NPR美国国家公共电台

序号 中 文 英 文 术语解释 缩写 来源 161 光配线网 Optical Distribution Network ODN YD/T 1250-2003 162 光线路终端 Optical Line Termination OLT YD/T 1250-2003 163 光网络单元 O

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 221 开放系统互连 Open System Interconnection OSI YD/T 1280-2003 222 操作维护中心 OMC OMC YD/T 1079-2000 223 帧失步秒 Out-of-Frame Seco

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 电信英语