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Tip：
根据提示，
猜出物品。
Guessing time
We can’t watch it. But we can listen to music and news on it.
a radio
We can do shopping on it. We can read and watch on it. We can make friends on it. We can write emails on it. We can …
Internet
Tip：
根据提示，
猜出物品。
a radio
Unit4
and
Internet
Changes 改变
Everyone has a task. You must finish it. Come on!
（每个人都有一项任务哦！你必须每关都通过。加油！）
Task 1 Listen & choose
Listen to the tape, and choose what time they were talking about?
(听录音，选择他们分别谈论了过去的哪个时间。)
Tip：
听录音，找出谈论人物和对应的时间。
Who
When
________ years ago
________ years ago
________ years ago
________ years ago
six