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Unit 4
Page 69 3. c d a b c
4. precaution, fraud, trash, cancel, deceived, Household 5. log off, commonplace, forge, anonymous, fictional 6. b b a a a, a a Page 72-73 2. b
3. b a b b b a 4. b b a b a, b b a b b
5. 近年来涌现了许多重大技术发明，其中包括互联网、个人电脑系统及掌上设备。互联网技术不断发展，给我们的日常生活带来了诸多便利。然而，虽然高科技的发展带来了种种好处，它也带来了有待解决的新问题，其中一个就是网络犯罪。网络犯罪已成为普通民众及专家日益关注的问题。专家们提出了各种方法来预防针对个人、家庭、企业及政府机关的网络犯罪。在预防针对个人的网络犯罪方面，我们必须尽量减少在网上发布个人信息以自我保护。我们绝不能向陌生的在线机构和个人提供个人信息。要格外小心打开邮件附件或者在电脑上安装某些程序，这一点也十分重要。
6. In the middle and late 20th century, the rapid development of science and technology witnessed the birth of high technology, represented by the Internet. But at the same time various high-tech crimes, as represented by cybercrime, also arose, posing/constituting
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a potential threat to the healthy development of society. How to prevent and reduce high-tech crimes has become a common concern. China is facing a similar situation. To avoid or reduce losses caused by high-tech crimes, we should keep alert in our daily lives, so as not to be deceived.
Unit 5
AR1 3. c a d b c
4. fulfilled, leisure, inherent, interaction, virtual, peculiar, insult
5. span, addicted, chill, evolved; evolving, extensive, fashionable, involves 6. b a b a
Language in use
1. The more hobbies you have, the less likely you are to worry. The longer you work, the more you earn.
The more people work, the less free time they have.
The more leisure inactivities have developed, the less chance you have of becoming interested.
The more time you spend in front of the computer screen, the less interest you have in the outside world.
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The less effort you make, the better a couch potato you will be.
2. Wiston Churchill was a British Minister and a Nobel Price winner. He was more famous for the former.
There are people who keep work separate from their pleasure, and people whose work is their pleasure. The latter are less common.
Cricket and football give you the impression of doing something useful. The former is more peculiar as a sport.
You need somewhere comfortable to sit and the remote control. The latter is more important.
The couch potato and the mouse potato enjoy leisure inactivity. The latter has less interest in the outside world.
Mouse potatoes travel the world online or participate in chat rooms. The former are more adventurous.
3. inherent danger, enforce...policy, poses...threat, fulfill...role, rational analysis 4. 游乐园是集娱乐景点、游乐设施和其他娱乐活动为一体、供大众游玩的娱乐场所。游乐园是从过去三种传统的游乐场所发展而来的：欧洲的定期集市、欢乐花园和世界博览会。在日常用语中，人们通常会把“主题公园”和“游乐园”当作同义词。但是，主题公园可以被看作是独具一格的游乐园。主题公园有美化的景观，有建筑，有基于一个或多个特定的主题而设置的景点。游乐园行业既包括像迪士尼乐园、奥兰多海洋世界和好莱坞环球影城这样的大型全球主题公园，也包括像六旗乐园和雪松会公园这样小一些和中等规模的主题公园。迪士尼乐园的奇幻王国是全世界参观人数最多的主题公园，公园的标志性建筑灰姑娘城堡也是美国最著名的拍照景点之一。
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5. Since 2008, with the implementation/enforcement of the free admission policy, Chinese museums have had / held more than 20,000 exhibitions, which have attracted over 600 million visitors each year. Museums are not only places to display collections, but also sites with educational, entertainment and recreational functions. For Chinese people, visiting museums has become an important means of enjoying their leisure time. On weekends and holidays, parents take their children to various kinds of museums. While visiting a place, apart from eating amazing local food and enjoying beautiful scenery, tourists may also visit local museums to learn more about its history and culture.
Unit 8
AR 1
3. having fun, social skills, harder, in universities, do public service, in the outside world, help other people
4. numerous, catering; option, dreaded, Employers; their personalities, shortage, entertained
5. reveal, extrovert, conviction, cooperative, solution, community 6. a a b a b, a b b a 7. f g e a c b d Language in use
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1. hard-earned, old-fashioned, well-timed, widely-held, open-minded, well-known,
specially-adapted, newly-cut 2. 1 4 5 7
3. On Monday I went to Oxford, and on Tuesday to Milton Keynes.
Some of the volunteers were interested in medicine, and others in IT. The first activity depended on physical strength, and the second on reason. After the accident he was examined by a doctor, and a few days later by a psychologist.
Some people were advised to wear glasses, and others to use contact lenses. At the beginning we were worried about making friends, and at the end about making ends meet.
My initial choice of university was based on the range of courses available, and my final decision purely on costs
5. Basic skills, chosen career, low-paid jobs, Tough competition, heavy demands,
new-found friends
6. 2004年2月4日，哈佛大学的学生马克·扎克伯格和几位同学萌生了为哈佛的学生建立
一个社交网站的想法。在这个名为“脸书（TheFacebook）”的网站上，学生们可以和朋友聊天、分享照片。在一个月内，“脸书”就迅速窜红，于是网站创始人把其他知名大学的学生也都连接到了网内。不久，“脸书”就发展成一个成熟的公司，扎克伯格决定将网站扩展到美国和加拿大的大多数大学。最终，“脸书”不仅向大学生开放，还向所有人开放。“脸书（Facebook）”（2005年，公司从名字中删除了“The”）从最初的名不见经传变成了全球最大的社交网站，在世界各地拥有3.5亿用户。如今，“脸书”已成为一个重
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