全新版大学英语Unit3.ppt

* * * 1. Today, computer viruses and trojans, designed to do everything from ____, ____, ____ . 2. Some malicious code today goes as far as targeting ___, ___ and ___. 3 Actually about 80% of these are ______ getting infected. 4 But actually today, cybercriminals are wonderfully _____. In fact, they have product adverts. You can go online and buy a ____ to knock your business competitor offline. Assignment Finish the following tasks after class. Report the main idea of Passage B. Review unit 3 Presentation Unit task: discovery 1.Describe Thanks-giving day 2. Who should you thank? For what should you thank him /her/them? * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * hook up to: connect or attach (sth.) to (sth. else) with or as if with a hook e.g. 我的电脑连上了网络，所以我在寝室就可以和朋友通过电子邮件交流了。 My computer is hooked up to the Internet, so I can communicate with my friends through email in the dorm. D R _ Sentence 3 _ … and to … Small notices warning against burglary are commonly seen pasted on the windows of the most pleasant of homes. It is not uncommon, in the most pleasant of homes, to see pasted on the windows small notices announcing that the premises are under surveillance by this security force or that guard company. What can be commonly seen pasted on the windows of the most pleasant homes? 在最温馨的家里，也常常可以看到窗户上贴着小小的告示，称本宅由某家安全保卫机构或保安公司负责监管。 D R _ Sentence 4 _ … since the child … What is the insurance company’s intention of running an ad with a picture showing a padlock attached to a kid’s bicycle? The insurance company wants to show what danger people are in now because they may get the kid’s bicycle stolen. Indeed, a recent public-service advertisement by a large insurance company featured not charts showing how much at risk we are, but a picture of a child’s bicycle with the now-usual padlock attached to it. D R _ Sentence 5 _ He may well … A company which is between medium-sized and large-sized. If you work for a medium- to large-size company, chances