Ⅰ. 根据句意及汉语提示完成句子
1. Nowadays, more and more people like to look through short （视频）.
2. With the help of the Internet, we can （下载）the information we need very quickly.
3. The Internet is not perfect. Sometimes, it can also cause some （社会的）problems.
4. （无论什么）you do on the Internet, you need to be careful.
5. We should be careful with our bank （账户）and mustn't tell the password to strangers.
6. I （厌恶）playing computer games because it is a waste of time.
7. Sometimes bad people can （窃取）our personal information and even money through the Internet.
8. People are fond of playing （国际象棋）on the Internet because they can compete with people from all over the world.
9. If the Internet （连接）doesn't work, we cannot go online.
10. On the Internet, we can （发送）emails or make phone calls to our families.
11. We should be careful online because there are also some （风险）.
12. To send an email to a friend, we need an email （地址）first.
13. It's unwise to click a （链接）without checking it.
14. There is no need to （回复）to an unfriendly message.
15. We should keep our （密码）to ourselves and not tell strangers.
16. We mustn't （提到）our ID number, bank accounts and passwords to a stranger online.
17. You can't always （判断）a person on the Internet correctly, so be careful.
18. People can book and （取消）train tickets easily on the Internet.
19. All the （市民）should pay more attention to the Internet safety.
20. If someone tries to look over our （肩膀）and steal our information, we should stop and close the windows.

1. videos
2. download
3. social
4. Whatever
5. account(s)
6. hate
7. steal
8. chess
9. connection
10. send
11. risks
12. address
13. link
14. reply
15. password(s)
16. mention
17. judge
18. cancel
19. citizens
20. shoulders