大学英语综合教程2第八单元ppt
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大学体验英语二(综合教程)Unit 8Computers and SecurityListen and TalkLead inHave you ever listed everything the computer does to enhance modern life? From finding research to doing research, from 1.___use to home use, from 2.____with friends and family to searching for a job, computers simplify our lives and allow us to learn and3.____things with the click of a mouse. The Internet is like a highway system, moving bits of information across telephone lines and cables with such speed that when we 4.___the web address or search for websites, within seconds the information appears on the computer screen. The 5.____of the computer and the Internet has revolutionized how we live and work. How did we ever 6.____without computers?There is 7.____in all things and the computer is not an exception. While it provides us with many good things at our fingertips, there are those who 8.____programs that infect the computer with "viruses" which destroy its 9.____and frustrate the computer owner. Anti-virus programs, however, are 10.____to combat the problem. Cybercrime is also rising as Internet privacy is violated in a variety of ways, creating the need for better Internet security systems to be developed.Key: 1.business 2. communicating 3. discover 4. type in 5. invention6. get along7. opposition8. create9. memory 10 availablePassage A: You Are the Weakest Link, Goodbye2.Answer the following questions with the information from the passage.1.Who do employees turn to for help when their computers are affected by a virus?They turned to the IT staff in their company for help.2.What are the several malicious computer viruses mentioned in the passage?Viruses such as Melissa, the Love Bug, etc.3.Are employees always alert to computer viruses? Explain.No, they aren’t. They forget about the harm a computer virus may bring when that virus is off news headlines.4.What are the cases when employees might put their company at risk?They open unsolicited attachments and download unauthorized software.5.Do you agree with the author that the human factor is the most important to protect a company against virus attack? Explain.Answer: Open.3. Choose the best answer to each question based on the information you obtain from the passage.1. Which of the following best summarizes the main idea of the passage?A) Employees welcome the free software available on the Internet and they download a lot of it.B) Employees should be constantly warned about virus threats to ensure the normal functioning of the company's computer system.C) Employees like to take advantage of the facilities in their companies to handle their personal matters.D) Employees take anti-virus software, firewalls and IT staff as guarantees for the normal functioning of their PCs.2."Those long lazy summers" in paragraph 2 refers to __________.A) the time when people were not too much bothered by computer virusesB) the time when people used free documents and executable filesC) the time when people could take a long nap after lunchD) the time when people frequently encountered different boot sector viruses3. It can be concluded that __________.A) computer virus threats have never been given enough attentionB) computer viruses can be avoided for good with good anti-virus softwareC) computer virus threats have always been in the mind of computer usersD) computer viruses can never be avoided even when IT staff regularly update software4. Employers are likely to do all of the following except that __________.A) they criticize their employees for what they don't do wellB) they allow their employees to make some personal telephone callsC) they do what they can to make their employees feel respected and trustedD) they allow their employees to send and receive some personal email5. The best way to minimize the negative influence that computer viruses may bring is __________.A) to get the best, up-to-date softwareB) to have the best IT departmentC) to educate computer usersD) to download free softwareAnwser: 1.B, 2.A, 3.D, 4.A, 5.C4. Fill in the blanks with the words given below. Change the form where necessary.1. The reason I didn't do well in my exams was that I just didn't have ____ time to prepare.2. It is ____ important that we get extra funding for the project.3. Ms. Robbins was caught delivering a copy of a confidential (机密的) ____ to a newspaper reporter.4. The quick ____ of the virus caused great damage to the network system across the country.5. Traffic noise, pollution, huge concrete buildings - how can people survive in a(n) ____ area!6. The firm has identified 60 ____ customers at home and abroad.7. I've had ____ problems with this car ever since I bought it!8. A computer virus may hide in a computer's memory, calling up and ____ each of the machine's data files in turn.9. He says he'll stop supplies getting in, but it's just an empty ____ because there are many other accesses suppliers.10. A(n) ____ version of the software will be available within six months.Anwser: 1. adequate 2. vitally 3. document 4. distribution 5. urban6. potential7. continual8. infecting9. threat 10. updated5. Complete the following sentences with phrases or expressions from the passage.1. When the boxer ____ his guard, he was knocked out by the opponent.2. In the intelligent interview the applicant ____ being extremely intelligent.3.___ his ____ was the vague idea that he had met her before.4. I check my email box every evening ____ .5. We spent all Saturday morning ____ the dormitory.Anwser: 1. let down 2. came across as 3. In the back of ... mind 4. as a matter of course 5. cleaning up6.Choose one word from the word bank below to replace the underlined word in each sentence.executable detect spread inflict innocentencounter protect ensure transmit pirate1. We experienced a serious setback when two members of the expedition were injured.2.Many forms of cancer can be cured if identified early.3.The U.S. Open will be broadcasted live via satellite.4.Great efforts have been made by the local authority to combat illegally-made video tapes.5.The hurricane Katrina imposed widespread damage on people in New Orleans.1.encountered2.detected3.transmitted4.pirated5.Inflicted7.Translate the following sentences into English.1.为了追求更为健康的饮食,人们现在比过去吃鱼多。
大学英语综合教程2UNIT8environmental cancer run against the grain either________ ________ ________ ________ environment cataract contemporary proposition________ ________ ________ ________ sensitivity plankton worship consumption________ ________ ________ ________ belief reality to the point of come through ________ ________ ________ ________ democracy speculative excess in part________ ________ ________ ________ conflicting consequence organism dependence________ ________ ________ ________ conflict deadly spiritual ridiculous________ ________ ________ ________ proposal melt nothing more than sentimentalism ________ ________ ________ ________ restriction urgent sentimental deny________ ________ ________ ________ regulation universal selective attainable________ ________ ________ ________in the name of unashamedly Bengali attain________ ________ ________ ________ distinguish man-centered jungle disrupt________ ________ ________ ________ regardless call for current breeding ground ________ ________ ________ ________ fundamental on the grounds of debate breed________ ________ ________ ________ environmentalism self-preservation rage reindeer________ ________ ________ ________ combat sentimentalize wildlife Arctic________ ________ ________ ________ ecological creature refuge mate________ ________ ________ ________ atmosphere resistance work one’s way similarly________ ________ ________ ________ ozone voter congress owl________ ________ ________ ________ layer vote exploration aesthetic________ ________ ________ ________ reduction snail darter conserve livelihood________ ________ ________ ________(自然)环境的癌,恶性肿瘤与…格格不入;违反意愿只能两者选择其一的________ ________ ________ ________环境白内障当代的,现代的提议;命题________ ________ ________ ________敏感(性)浮游生物崇拜,崇敬消费(量)________ ________ ________ ________信念;相信现实;真实达到…的程度经历;从…活下来________ ________ ________ ________民主(制度)猜测性的,推测的过渡,无节制在某种程度上;部分地________ ________ ________ ________不一致的,冲突的后果,结果生物体,有机体依靠,依赖________ ________ ________ ________冲突vi. 致命的,毁灭性的精神的;非物质的可笑的,荒谬的________ ________ ________ ________提议,建议融化,溶化无异于;只不过感情用事;多愁善感________ ________ ________ ________限制;限制性规定紧急的;急迫的感情用事的;多愁善感的不给;不准________ ________ ________ ________规章;规定全世界的;普遍的选择的;有选择性的可达到的;可得到的________ ________ ________ ________以…为由坦然地,满不在乎地孟加拉人;孟加拉语达到;取得________ ________ ________ ________区别,辨别以人为中心的杂乱无章的事物;丛林使陷于混乱;干扰________ ________ ________ ________不顾一切地;无论如何要求当前的,现在的动物繁殖的地方________ ________ ________ ________基本的,根本的因为;以…为理由辩论,争论繁殖;产________ ________ ________ ________环境保护论;环境论自我保护激烈的进行驯鹿________ ________ ________ ________斗争,战斗感情用事地对待野生动植物北极(的),北极圈(的)________ ________ ________ ________生态的;生态学的生物庇护所;避难处(使)交配________ ________ ________ ________大气;气氛反对,反抗设法抵达;努力达到目标同样地,相同地________ ________ ________ ________臭氧投票者,选举人国会;立法机关猫头鹰________ ________ ________ ________层投票选举勘查,探测;探索美学的;美感的;美的________ ________ ________ ________减少蜗牛鱼保护,保存生计________ ________ ________ ________logging accommodate lesser moderate________ ________ ________ ________log fate pollutant concern________ ________ ________ ________ distinction bind generatorframe________ ________ ________ ________ charge e.g. fatal frame of mind ________ ________ ________ ________ well-being atmospheric ecosystem humanistic________ ________ ________ ________ accommodate threat________ ________106 words伐木业适应;容纳n. 较小的,更少的,次要的适中的;适度的________ ________ ________ ________砍伐;伐(木)命运;结局污染物有利害关系的事;担忧________ ________ ________ ________区别,差别捆;将…绑在一起发电机状态;框架________ ________ ________ ________被照顾的人例如致命的;毁灭性的心绪;心境________ ________ ________ ________幸福;福祉大气的生态系统人本主义的________ ________ ________ ________适应新的情况;迁就威胁________ ________106 单词。