44．Staying safe online We should learn some tips on how to use the internet safely.Have you ever clicked a strange link online？Is the password of your game account（賬戶） safe enough？Do you remember to log off（退出登錄）after using public computers？
You may think these aren't problems.But they can make big trouble!You may lose money，get disturbed by others，or even take part in crimes without knowing.September 5 to 11 is China Network Security Week.Let's learn more about the importance of internet safety.
Protect yourself
Cybercriminals（網(wǎng)絡(luò)罪犯）can break into your smart phone or computer.They put a virus（病毒）on it through a link.Then they steal your gaming account and get money from it.They can also sell your name，address and ID card number to underground markets.Then you might get lots of scam calls（詐騙電話）.So，don't click on strange links.Make your password strong enough.Ask for help when you are not sure.
Keep the country safe
Internet safety is important to a country，too.Northwestern Polytechnical University（西北工業(yè)大學(xué)）is a top university in Xi'an，Shaanxi province.It is famous for its study of space.In April，the university said someone broke into their information system.Teachers and students got emails with a virus in them.More than 140 GB of the school's important data was stolen.According to China's National Computer Virus Emergency Response Center，the National Security Agency of the United States made the attack.
In recent years，China has called on tech companies to develop our own chips（芯片） and software.
This can help with our country's cyber security.
（1）Do most people think there is a problem when they click a strange link online？
（2）When is China Network Security Week？
（3）What do Cyber criminals do when they break into your smart phone or computer？
（4）Which two aspects（方面）does the writer suggest we learn about the importance of internet safety？
（5）Why did the National Security Agency of the United States make the attack to the Northwestern Polytechnical University？
（6）How do you understand the underlined sentence "
This can help with our country's cyber security."？
