Unit 5 The Value of Money 小题组合练习 2020-2021学年高一英语人教版必修第三册

人教版必修第三册unit5小题组合练习 Ⅰ.七选五 Here are some easy steps for you to stay safe and secure on the Internet. 1 Never give out your full name，address and phone number，unless it is a safe site or it is a well-known site. Protect your money.Do not give out your card information unless it is a secure site.You can tell if the site is safe by looking at the lower pan of your screen. 2 If it is locked，the site is secure.“Unlocked” means that you should not give a card number. Don’t believe “Get Rich Quick！” If it sounds too good to be true—it is! If you get an e-mail that says you can make thousands of dollars in a few days，it isn’t true.Most likely it will cost you in the end. 3 A good virus scan(杀毒软件)．Update your virus scan. 4 When you buy a virus scan，it may have been on the shelves for months，so you need to update it frequently. 5 Do not open e-mail attachments(附件) that are programs.Receiving these programs in e-mail is harmless，but opening and running them can be dangerous. A．The