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课件网) Title：The Future of Cyberspace The 1._____ _____ of the Internet The number of computers connected to the Internet has grown rapidly from 200 in 1983 to about 50 million now. Different 2._____ about the Internet Pessimistic ★Hackers can 3._____ the computers of banks and governments and commit cri mes in cyberspace. ★Terrorists may attack the Internet, cause chaos, and make planes and trains 4._____. 5._____ ★All sorts of information is 6._____ on the Internet. develo pment/growth opinions enter crash available Optim istic Title：The Future of Cyberspace The future in virtual reality ★More and more people will 7._____ on the Internet. ★We will 8._____ ourselves a lot from the Net, which might result in the disappearance of television. ★Virtual reality refers to the use of computers with sounds and pictures that 9._____ you feel as if you are in a real situation. ★Virtual reality will become a part of modern life.Offices, supermarkets and even 10._____ will become virtual. shop entertain make schools “课时跟踪检测”见“Unit 4 课时跟踪检测（一）” (单击进入电子文档) 谢 谢 观 看(
课件网) come true 相当于不及物动词，没有被动形式，其句子的主语通常是“理想、抱负、梦想等”的名词，而不是人称代词或指人的名词 realize 也可以表示“实现(抱负、愿望、目标等)”，但是作为及物动词来用 “课时跟踪检测”见“Unit 4 课时跟踪检测（二）” (单击进入电子文档) 谢 谢 观 看 eat up吃光 grow up长大成人 end up结束 hurry up赶快 break up分解，破裂 动词+up pick up拾起 fix up修理好 短语 hold up举起 bring up抚养大 take up拿起 turn up开大声音 look up查看 come out出现， come about发生 出版，结果是 come短语 come across偶然 come up with想出， 遇到 提出（想法或计划） t作形式主语的几种句型： for sb./of sb.to do sth (1)It+beadj./ndoing sth. that从句 (2)It十be十过去分词十that从句(
课件网) Topic Tom Cathy Things to do this weekend If it is fine, he will probably go _____.If it 2._____, he will probably stay 3._____. She will finish her 4._____ on the 5._____ of the Internet. Feelings about virtual reality He finds it 6._____ to imagine. She feels 7._____ just thinking about virtual reality. Interest in virtual reality He is interested in virtual 8._____. She 9._____ interest in virtual reality 10._____. camping rains home hard/difficult universities project history excited takes holidays “课时跟踪检测”见“Unit 4 课时跟踪检测（三）” (单击进入电子文档) 谢 谢 观 看(
课件网) 时间 条件从句谓语动词的形式 主句谓语动词的形式 与现在事实相反的假设 过去式(be一般用were) should/would/could/might＋动词原形 与过去事实相反的假设 had＋过去分词 should/would/could/might＋have＋过去分词 与将来事实相反的假设 过去式(be一般用were)/should＋动词原形/were to＋动词原形 should/would/could/might＋动词原形 谢 谢 观 看 将来发生的动作或 表示计划或安 will 存在的状态 排要发生的事 与be 表 ... ...
