Online life
1 · Social networks
Which of these social networks do you know?
先看六个 App 图标。国内五个：微信、抖音、小红书、微博、B 站。国外一个：Instagram（课文里会出现）。
Match the names with the app icons.
先点英文名，再点图标。图标顺序是打乱的。
What do you think of them? Do you know any other social networks?
I use … / I hardly ever use … / I don’t have …
2 · True for you?
Read these statements. Which of them are true for you?
Do you post too many things on social media?
3 · Footprints
Look. What do you leave behind when you walk on a beach?
Later, of course, the footprints disappear. What happens to them?
看海浪。真实世界里，脚印会消失。
But imagine if they didn’t. How happy would you be about that?
如果脚印永远不消失，还印在家里、街上？
4 · footprint
Do you know this English name? The mark your foot leaves.
Let’s spell the word from the sound. Two parts: foot + print.
按读音来拼。合成词：脚 + 印。
5 · Predict
Look at the photos. What do you think the article is about?
If footprints on a beach disappear, what about the things we do on a phone?
6 · Why it might matter
Look at this person and the phone. How does the person feel?
How people see you
Look at the lock and the diary. What kind of information is this?
Your private information
Look at the card. Should this number go in an email?
Keeping your money safe
