高中英语 Unit 3 The world online Section Ⅰ Welcome to the unit Reading—Warming Up学案 牛津译林版选修7-牛津版高二选修7英语学案

Unit 3 The world online网络，一个科技发展的产物，也是信息时代的标志。它的出现改变了人们传统的思想方法，在我们的生活中给予了我们极大的帮助，同时也受到越来越多的青少年的青睐。The Positive Effects of the InternetThe Internet has come a very long way in the past 50 years. New innovations such as integrated software and hardware have changed the way that people view and obtain information today. Millions of people worldwide are using the Internet to share information, make new associations and communicate. Individuals and businesses, from students and journalists, to consultants, programmers and corporate giants are all harnessing the power of the Internet. For many businesses, the Internet is becoming an integral(必须的) part of their operations. Perhaps, the most important facts about the Internet are that it contains a wealth of information, which can be sent across the world almost instantly, and that it can unite people in wildly different locations as if they were next to each other. The information available is vast and varied.The Internet gives consumers the ability to shop smarter, to find the best products at the right prices.The Internet brings people together. People of like minds and interests can share information with one another through electronic mail and chat rooms. Mailinglist discussion groups and online conferencing allow us to gather together to work on a multitude of projects that are interesting or helpful to us. There are many schoolbased networks that link learners to discuss, share and examine specific subjects such as environmental concerns, science, local and global issues, or to enhance written communication skills in first or second language proficiency( 精 通 ) activities. Online education intr...