大学体验英语综合教程第三版2详细答案Uint8

1、Unit EightLead -in1 business 2 communicating 3 discover 4 type in 5 invention6 get along 7 opposition 8 create 9 memory 10 availablePassage AThink About Itt have to pa1 Yes, I often do, as I like to explore the potentialities of the Internet. Many people also welcome free software because they don f

2、or it. Others don'dt o so because there is no protection guaranteed against viruses.2 There are different kinds of anti-virus software, e.g. Norton, Rising Star and some others. The computers I use in the library all have one kind or another of software installed to prevent viruses from being br

3、ought in.3 When old types of viruses have been taken care of, new ones may appear. It would be impossible to get rid of computer viruses permanently.Read About ItContent AwarenessRead And Think2 Work with your partner and answer the following questions.1 They turned to the IT staff in their company

4、for help.2 Viruses such as Melissa, the Love Bug, etc.3 No, they aren' t. They forget about the harm a computer virus may bringwhen that virus is off news headlines.4 They open unsolicited attachments and download unauthorized software.5 Open.3 Choose the best answer to each question with the in

5、formation from the passage.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 adequate 2 vitally 3 document 4 distribution 5 urban6 potential 7 continual 8 infecting 9 threat 10 updated5 Complete the following sentences with phrases or expressions f

6、romthe passage. Change the form where necessary.1 let down 2 came across as 3 in the back of mind 4 as a matter ofcourse 5 cleaning up6 Choose one word from the box below to replace the underlined word in each sentence. change the form where necessary.1 encountered 2 detected 3 transmitted 4 pirated

7、 5 inflicted7 Translate the following sentences into English.1 In pursuit of a healthier diet, people are eating more fish than they used to.2 We need to have the roof repaired before the bad weather sets in.3 The disease is spreading, and all young children are at risk.4 The information is transmit

8、ted from one computer to another through a telephone line.5 Jack is a fairly good runner. He wins more often than not.8 Read and compare the English sentences, paying attention to their italicized parts, and then translate the Chinese sentences by simulating the structure of the English sentences.1

9、It sounds like this high-tech company hasput in place many favorable measures toprotect against brain drains.2 The worry comes when paper-mills ignore the environmental pollution in pursuit of profits.3 It ' s vitally important that one attend a test-preparation class before taking a TOEFL test

10、but this cannot be a one-off event if he really wants to have a good command of English.4 The potential threat should always be in the back of a doctor ' s mind and appropriate measuresshould be taken in no time once emergency arises.5 In the end, sciences and education are the keys to a prosper

11、ous country and this is a continual process.9 Computer viruses are a constant threat to companies and other organizations as well as home users. Work in small groups and have adiscussion about how computer viruses spread and how companies should protect against computer viruses.Computer viruses can

12、be transmitted via e-mail attachments.They also spread through software downloaded from the Internet. So when you are downloading the unlicensed and pirated software, you are likely to put your computer at risk. The software can seem harmless enough, but they could easily be harboring a dangerous vi

13、rus.To protect against computer viruses, we should be careful when opening e-mail attachments and downloading software. We should use anti-virus software and update it regularly.As for companies, they should not only take measures by investing in anti-virus software, but also pay enough attention to

14、 the education of their employees. While the employees may suddenly become aware of the virus threat when the threat is there, they soon forget about it as the stories disappear from the news headlines. So it is important that companies constantly educate the users about the virus threat and ask the

15、m to practice safe computing.10 Write a paragraph of around 80 words explaining that companies should do more than invest in anti -virus software to protect against computer viruses. The following points may help you to organize your writing. And the first sentence has been written for you.To protec

16、t against computer viruses, companies should do more than inv est in an ti-virus software on the desktops, servers and email gateways.It ' tsue that anti-virus software, updated regularly, can protect the companies ' defences to a large extent. The employees, however, may use office computer

17、s for personal amusement. When they are opening unsolicited attachments or downloading unauthorized software, they probably are putting the company at risk, for the attachments and the software could easily harbor dangerous viruses. Therefore, it is very important that companies should constantly ed

18、ucate their employees about the virus threat and remind them about what would happe n if they let their guard dow n.Passage BThink About It1 Yes, my e-mail pin was once hit by hackers and I couldn' t enter it anymore.2 Compa nies or in dividuals who wish to avert computer security issues should

19、put security systems in place. From a hacki ng perspective, each server is open to attack, so each must possessits own anti-virus and spyware systems, and con ti nued oversight must be give n to each of these security systems.3 Not all hackers are crim in als. Bored in school, very adept with comput

20、ers and tech no logy, they dow nl oad scripts or hack into systems with the intent to vandalize or disrupt systems. They like to see themselves as elite. They have a lot of programming background and write code but won' tuse it themselves. Underlying the psyche of the criminal hacker may be a de

21、ep sense of inferiority. Consequently, the mastery of computer technology, or the shut down of a major site, might give them a sense of power.Read About ItContent AwarenessRead And Think11 Work with your partner and answer the following questions.1 He flied to Seattle for a job with a company called

22、 Invita Security.2 The company lured them to break into the networks of potential customers as part of an effort to persuade those companies to hire Invita to keep hackers out.3 They were stopped and caught by FBI.4 It is a marked legal milestone when courts could uphold the right of federal agents

23、to seize evidence remotely, and to charge foreign cyberciminals in U.S courts.5 According to them, the most captivating aspects of being a hacker are psychological, for it makes them feel like playing a thrilling game, which is full of adventures.12 Decide whether the following statements are true (

24、T) or false (F) according to the passage.13 Fill in the blanks with the words given below. Change the form where necessary.1 regaled 2 breached 3 captivating 4 entrepreneurial 5 conspire6 restitution 7 extorted 8 tactic 9 milestone 10 lodging14 Complete the following sentences with phrases or expres

25、sions from the passage. Change the form where necessary.1 hacker 2 break into 3 charge 4 benefit 5 bring along15 Translate the following sentences into English.1 As the statistics demonstrates we have made great progress in this field in a short period of time.2 The exploits of great leaders have be

26、en told in songs and stories.3 It is a long way. Let' s take turn driving.4 It turns out that it is the banker rather than the computer fault that has caused the disaster.5 They must take practical measures to carry out their plan; otherwise it will end in smoke.16 Finish the following incomplet

27、e outline of paragraph 1 of the passage “ A Hacker Story. Then reread the whole passage and write a summary of it.1 Ivanov and his fellow partner flew to Seattle. Invita informed them about the job requirements.2 20-year-old Russian hacker Alexey Ivanov was lured to Seattle in hopes of landing a dre

28、am job with Invita. At the Seattle interview, Ivanov impressed the interviewers with tales of hacking exploits and demonstrations of his skills. But as he and his Russian colleague were being driven away, they were arrested by FBI agents and were charged with conspiracy, computer fraud, hacking and

29、extortion. The most important gain from the Ivanov case may be the legal milestones marked when courts upheld the right of federal agents to seize evidence remotely, and to charge foreign cybercriminals in U.S. courts. Nevertheless, important cyberlaw questions remain unanswered. The motivations of

30、hackers are psychological as much as financial17 Reduce the number of words in these sentences by making the introductory dependent clauses elliptical. Write out the revised sentences.1 Although expecting a telephone call, the doctor had to leave his office.2 While driving into town, my mother ran o

31、ut of gas.3 If curious about your final grade, ask your professor.4 When applying for a scholarship, you should write neatly.5 After cutting the grass, please water it.18 Choose the correct pronoun to complete each sentence. Write out the complete sentence. Then write after each sentence the ellipti

32、cal clause beginning with than or as.1 You worked harder than they. (than they worked)2 Michael is more popular than he. (than he is)3 They don ' t dance well as we. (as we dance)4 Do you like to drive as fast as they? (as they drive)5 I can do the job better than she. (than she does)19 Rewrite the following sentences so that major ideas receive proper emphasis. Rely upon the suggestion in parentheses.1 Refer to page 321 and you will find that the major character is over six feet tall.2 Because the immigrants will gain economic power, speaking the immigrants ' language will be