html_content = """ Unit 28: Computers & Technology - Tri Duc English UNIT 28: COMPUTERS & TECHNOLOGY Hệ thống học tập chuyên nghiệp - Tri Duc English A. E-mail and the Internet (Thư điện tử & Internet) Hãy học kỹ các cấu trúc và cụm từ cố định (collocations) thường gặp khi sử dụng Internet thông qua đoạn hội thoại thực tế dưới đây: Customer: How do I go online? Assistant: You're already connected to the Internet . Do you want to send e-mail ? Customer: No, I just want to browse the web for a while. Assistant: OK, just open the search engine or enter the web address and press 'enter'. Customer: I can't access my company's website . Can you help? Assistant: Have you put in the correct address ? Customer: Yes, I'm sure I have. How do I reply to this e-mail ? Sorry, I'm not very good with computers. Assistant: That's OK. Just hit 'reply', then compose your message , then press 'send'. Customer: Then can I forward the message to myself at my home address? Assistant: Yes. Make sure you enter the right address, or the e-mail will bounce [come back]. Let me know if you would like a hard copy of your e-mail and I'll show you how to print out your work [a copy on paper]. Customer: What do I do if I want to download this picture ? Assistant: You have to save it to a disk . I can sell you one if you don't have one. Customer: Can I send an attachment with this e-mail? Assistant: Yes, you click here and then attach the file . Customer: I'd like to visit a chat room . Is that OK? Assistant: No problem. Select this option here. Then just ask if you need my help. Ưu điểm và nhược điểm khi sử dụng máy tính: (+) On the web you can access information on any subject you want to. (-) As well as getting useful e-mails, you also receive a lot of spam [junk e-mails]. (+) Good web design is making it easier to navigate websites [find your way round]. B. Computer Crime and Problems (Tội phạm mạng & Các sự cố) Computer criminals are getting better at hacking into other people's computers. [illegally going into other people's computer files] People are maintaining their web pages better, so information is kept up-to-date. Computers still crash and you have to waste time re-installing your pr...