Unit 4 CyberspaceWarm-up come true B. dreamt of coming; come true C. dreamed to come; realized D. dreamed coming; realizing 【2012临沂高一检测】 【解析】选B。句意：我总是梦想来中国，现在梦想成为 现实。dream of doing sth梦想做某事；come true变成 现实；realize实现，及物动词，应使用被动语态。根据提示写出单词的正确形式growthcrimeterrorismdisappearharmfuldestroypersonally1. grow (vi. & vt. 成长，种植) _ (n) 2.(n 犯罪，罪行) _ criminal (n 罪犯)3. terrorist (n 恐怖分子) _ (n 恐怖主义)4. appear (vi 出现) _ (vi 消失)5. harm (n& vt. 伤害，损害) _ (adj. 对有伤 害的，有损害的)6. _ (vt. 破坏，毁灭) destruction （n. 破坏，毁 灭 ）7. person (n. 人) _（adv. 就个人而言）Work out the meaning of the words underlined1. He lost his left leg in the war. Now he is using an artificial one and he thinks it works quite well. 2. The climate here doesnt agree with me! How I miss the beautiful sunshine all the year round in my hometown. But here, it rains almost everyday. 3. The earth is becoming “smaller and smaller” with people communicating easily with each other. Now it is called “Global Village” .4. It has been raining for the past two weeks, flooding the whole village. 假的，人工的气候地球的，全球的淹没，泛滥5. He was attacked by someone last night, and now he is lying in hospital, unconscious(昏迷). 6. A Poland plane crashed on April 12, 2010, causing 76 deaths, including the president of the country. 7. He was so kind to offer me a job, but I had to refuse because I had already got one. 8. It is obvious that he loves her-just look at how he stares at her! 袭击坠毁提供明显的2. The change in climate will affect your health.1.He was attacked by a huge shark while doing windsurfing.3. He behaved as if he had done nothing wrong.4. My computer is connected to a local web. 5. The sun disappeared behind a cloud.6. The price of meat has grown rapidly recently. 7. Tom offered an interesting story book to Mary, but she refused.hacker A person who enters other peoples computer programmes in secret.Hackers use virus to attack computers.terroristsomeone who does terrible things to harm countries and peopleThe plane driven by terrorists crashed into the twin towers.crimecriminalactivities that are against the lawGo through the passage quickly and find out the headings for each paragraphHeadingsPart 1: The Growth of the InternetPart 2: Pessimistic Ideas towards theFuture of CyberspacePart 3: Optimistic Ideas towards theFuture of CyberspacePart 4: The Future of Virtual RealityThe growth of the InternetIn the last thirty yearsIn 1983Now The Internet has grown rapidly.There were only 200 computers connected to the Internet.There are around 50 million and the growth is clearly going to continue.Different ideas PessimisticOptimisticvCrime in cyberspace:lhackers can get into the computers of banks and governmentslterrorists may attack the worlds computers, cause chaos, and make planes and trains crashlNow we can buy books, find out about holiday offers, book tickets, and get all sorts of information from the Internet.l“It is clear that we are going to see a huge growth in the shopping on the Internet.”lWe will get entertainment from the Internet.lTelevision and mail service may disappear.Our future in virtual reality make you feel as if you are in a real situation.become a part of modern life.The use of computers will _Virtual reality will_Answer the following questions1. The purpose of the text is to _A. discuss the positive and negative sides of future cyberspace.B. show what will be in future cyberspace.C. predict the possible bad things that may happen in the future world.D. predict the good possibility of the future cyberspace.AB2. In the future cyberspace, terrorists may cause disasters by _.A. spreading viruses B. controlling the computer systemC. making planes and trains crash D. making chaos3. The future cyberspace may see huge growth in _.A. online shopping B. crimes C. e-mail D. virtual reality4. What can you do in the virtual world? _A. shopping B. studying C. travelling D. all the above5. The authors attitude towards future cyberspace seems to be _.A. approval (赞成) B. disapproval C. indifferent (漠不关心) D. neutral (中立)ADDFT TTTRead the text and decide if the sentences are true (T) or false (F) 1. The Internet has been developing rapidly in the past thirty years and it will continue in the future. 2. There will be a lot of cyber crimes which may cause planes crash, so it will not be safe to travel by air 3. It will be convenient for us to do all sorts of things such as shopping on line in the future. 4. TV and mail service will finally disappear. 5. We will all live and work in the virtual world, shop in virtual supermarkets and study in virtual schools in the future. 用括号内的正确形式填空1. It has been raining heavily the whole week and part of the village has been _. (flood) 2. Too much carbon dioxide (CO2) being emitted (排放) resulted in _ (globe) warmi